Best AWS Course in Pune
Welcome to Tech Amplifiers, the leading platform for mastering AWS. The Best AWS course in Pune is designed to provide you with the essential skills and knowledge needed to excel in cloud service platforms. It’s open to beginners with no prior experience, as well as IT professionals like developers, sysadmins, DevOps engineers, and system architects looking to enhance their cloud skills. Business managers may also benefit from understanding AWS’s potential for cost-effective cloud solutions. Overall, taking an AWS course helps learners gain practical knowledge, improve job opportunities in the growing cloud market, and earn globally recognized certifications. Join us today and unlock the potential of this versatile cloud platform.
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Overview
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Become an AWS expert with our industry-leading course. Are you looking to advance your cloud computing skills and enhance your career prospects?
Our AWS course in Pune is the perfect choice for individuals who want to master Amazon Web Services and dive into the world of cloud technology. With our course, you’ll gain a comprehensive understanding of AWS services, cloud architecture, networking, and security. Our experienced instructors will lead you through hands-on labs and real-world projects to ensure you build a solid foundation in AWS and its core services.
Join us to gain the expertise needed to thrive in today’s cloud-driven industry!
What you will learn in our AWS course?
Our AWS course is designed to provide you with the essential knowledge and skills to become proficient in cloud computing with Amazon Web Services. Throughout the course, you will:
Understand the fundamentals of cloud computing, including AWS architecture, global infrastructure, and key AWS services.
Explore AWS core services like EC2 for computing, S3 for storage, RDS for databases, and VPC for networking.
Dive into advanced topics such as security management with IAM, monitoring with CloudWatch, and automation using AWS Lambda.
Gain practical experience by working on real-world cloud projects that demonstrate your expertise in deploying, managing, and scaling AWS resources.
Master essential AWS tools and services used in DevOps, serverless computing, big data analytics, and more.
Why Choose Our AWS Course in Pune
When you enroll in our AWS course, you can expect the following benefits:
Expert Instructors: Learn from industry professionals with extensive AWS expertise who provide practical insights and real-world experience.
Hands-on Learning: Engage in interactive labs and cloud projects that allow you to apply your AWS knowledge to real-world scenarios.
Comprehensive Curriculum: Master key AWS services and cloud architecture, from foundational concepts to advanced topics like serverless computing, DevOps, and security.
Industry-Relevant Skills: Equip yourself with skills that are in high demand, opening up numerous career opportunities in the cloud computing field.
Certification Preparation: Our course prepares you for AWS certification exams, helping you validate your cloud expertise with globally recognized credentials.
Flexible Learning Options: Choose from flexible schedules and learning formats that suit your needs, whether you’re a working professional or a student.
Enroll today to take your cloud computing career to the next level with our AWS course!
AWS Course
• Amazon Elastic Compute Cloud(EC2)
• Amazon Simple Storage Service (S3)
• Elastic Block Storage (EBS)
• Elastic Load Balancing (ELB)
• Amazon Relational Database Service (RDS)
• Amazon DynamoDB
• Auto Scaling
• Amazon ElastiCache Identity and Access Management (IAM)
• Virtual Private Cloud (VPC)
• Cloud Formation
• Simple Email Services (SES)
• Simple Queue Services (SQS)
• Simple Notification Services (SNS)
• Serverless computing (Lambda)
• Import/Export (Snowball)
• Code Commit
• Cloud Trail
• Elastic Beanstalk Cloud Front
• Route 53
• Glacier Key Management Service (KMS)
• Subscription to AWS
Introduction to the AWS Management Console
• Regions and Availability Zones – Choose the right Region
• Amazon Machine Images (AMI)
• Working with AMIs
• Choosing the right AMI
• Deciding what goes into an AMI
• Finding the right AMI
• Pricing model in EC2 instances
• On-demand, Reserved, Scheduled, Spot instances, Dedicated Hosts
• EC2 Reserved Instance Marketplace
• Importing and Exporting Instances
• Building an EC2 Windows instance & Linux Instance
• Boot strapping with user-data
• Setting up security
• Security with Key Pairs
• Working with the Security Group
• Different IPs assigned to an EC2 instance
• Assigning Elastic IPs
• Login/Access to the instance
• Creating your custom AMI, Registering & Granting access to the AMI
• Placement groups
• EC2 instance protection
• Instance Roles
• Importing and Exporting Instances
• Elastic Network Interfaces(ENIs)
• Resources and Tags
• Accessing Meta-Data & use cases
• EBS Volume Types
• EBS Encryption
• EBS Performance
• Instance Store volumes
• Instance Stores Available on Instance
• Types Instance Store Usage Scenarios
• Adding Instance Store Volumes to an AMI
• Optimizing Disk Performance
• Creating and deleting volumes
• Attaching and detaching volumes
• Increasing the volume size
• Creating snapshots
• Creating Volumes & AMIs from Snapshots
• Cross-Region snapshot copy & use cases
• What Is Elastic Load Balancing
• How Elastic Load Balancing Works
• Classic & App ELB types
• Creating load balancer
• Internal & External Load balancers
• Load balancing protocols
• Listener Configuration
• Attach & Detach Subnets
• Security groups for the load balancer
• Configure health check for the load balancer
• Adding multiple instances to the load balancer
• What is Auto Scaling
• Auto Scaling components
• Benefits of Auto Scaling
• Creating launch configuration, and its prerequisites
• Creating Auto Scaling Groups (ASG)
• Attach & Detach EC2 Instances in ASG
• Configuration of Auto Scaling policies based on the Load on EC2
• Using Auto scaling with Elastic Load balancer (ELB)
• Temporarily Removing Instances
• Shut Down Your Auto Scaling Process
• Monitoring Your Auto Scaling Instances
• Health Checks
• Getting Notifications When Your Auto Scaling Group Changes
• Creating and deleting buckets
• Adding objects to buckets
• Getting objects
• Deleting objects
• Notifications
• Uses of S3 storage
• Working with Permissions of S3, Access Control, Bucket policy
• S3 Data encryption types
• Enable Versioning and logging for S3 objects
• Lifecycle rules in s3
• Accessing S3 storage with Tools
• Hosting a Static Website
• Creation of user accounts
• Setting up Multi-factor Authentication (MFA)
• Roles in IAM
• Groups in IAM
• Delegation of permissions for users
• Creation of custom policies for delegation
• Using Identity Providers
• Cross-Account Access
• Account settings
• Credential Report
• Encryption – Key Management Service (KMS)
• Different types of networks that can be setup in AWS
• Creating a custom VPC
• NACLs & Security Groups
• Creation of Internet Gateway(IGW)
• Connecting to instances in the gateway
• Subnets, Route Tables & Association
• NAT Instances & NAT-Gateways
• DHCP Options Sets & DNS
• VPC Peering
• VPN overview & components
• Configuring Amazon Route 53 as Your DNS Service
• Registering a Domain Name and Configuring Amazon Route 53 as
• the DNS Service
• Migrating DNS Service for Existing Domain to Amazon Route 53
• Creating a Subdomain That Uses Amazon Route 53 without
• Migrating the Parent Domain
• Working with Public Hosted Zones
• Working with Private Hosted Zones
• Working with Resource Record Sets
• Health Checks and DNS Failover
• Creating, Updating, and Deleting Health Checks
• Transferring a Domain from a Different AWS Account or Registrar
• Using IAM to Control Access to Amazon Route 53 Resources
• Debugging cloud-related issues
• Monitoring the AWS Service Health Dashboard
• Monitoring with Cloud watch
• Getting statistics for a specific EC2 instance
• Getting aggregated statistics
• Metrics for other AWS Services and related namespaces
• Setting up notifications
• Creation of a topic
• Subscribing to the topic via Email
• Setting notifications for EC2 instance changes
• Creation of a queue
• Sending messages to the queue
• Sending SNS to SQS
• Retrieving messages from SQS
• Setting up email domain
• Limits of SES
• Test Email setup
• Creation of Web-App using Elastic Beanstalk
• Building a sample application using Beanstalk
• Modifying the properties of the deployment
• DB Instances
• Selecting the DB-Engine
• Configuring the Database Server
• Creating your Database
• Setting up automatic backups, snapshots & restores
• Authorizing access to the DB with RDS Security Groups
• DB Instance Replication
• Security: Using IAM to Manage Access to Amazon RDS Resources
• RDS Limits
• DB Instance Life Cycle: Renaming a DB Instance
• Deleting or Rebooting a DB Instance
• Working with Storage Types
• Upgrading a DB Instance
• Working with Option Groups & DB Parameter Groups
• Working with Reserved DB Instances
• Monitoring Database Log Files
• How CloudFront Delivers Content
• Working with Distributions
• Working with Web Distributions
• Working with Objects Request and Response Behaviour
• Serving Private Content through CloudFront
• Using an HTTPS Connection to Access Your Objects
• Using IAM to Control Access to CloudFront Resources
• Monitoring CloudFront Activity Using CloudWatch
• ElastiCache Terminology and Concepts
• Backup and Restore
• Clusters Explanation ( Memcached and Redis )
• CloudWatch Metrics with ElastiCache
• Managing ElastiCache
• Managing Replication Groups
• DNS Names and Underlying IP
• Building AWS infrastructure as a code
• Utilization of Sample templates
• Introduction to JSON
• What is Cloud Trail
• What is API history
• DMS(Database migration Service)
• What is Cloud Trail
• What is API history
• DMS(Database migration Service)
Python Foundation
- What is Python and history of Python?
- Why Python and where to use it?
- Discussion about Python 2 and Python 3
- Set up Python environment for development
- Demonstration on Python Installation
- Discuss about IDE’s like IDLE, Pycharm and Enthought Canopy
- Discussion about unique feature of Python
- Write first Python Program
- Start programming on interactive shell.
- Using Variables, Keywords
- Interactive and Programming techniques
- Comments and document interlude in Python
- Practical use cases using data analysis
- Introduction to Hadoop
Core Objects and Built-in Functions
- Python Core Objects and builtin functions
- Number Object and operations
- String Object and Operations
- List Object and Operations
- Tuple Object and operations
- Dictionary Object and operations
- Set object and operations
- Boolean Object and None Object
- Different data Structures, data processing
Conditional Statements and Loops
- What are conditional statements?
- How to use the indentations for defining if, else, elif block
- What are loops?
- How to control the loops
- How to iterate through the various object
- Sequence and iterable objects
UDF Functions and Object Functions
- What are various type of functions
- Create UDF functions
- Parameterize UDF function, through named and unnamed parameters
- Defining and calling Function
- The anonymous Functions – Lambda Functions
- String Object functions
- List and Tuple Object functions
- Dictionary Object functions
File Handling with Python
- Process text files using Python
- Read/write and Append file object
- File object functions
- File pointer and seek the pointer
- Truncate the file content and append data
- File test operations using os.path
Python Advance
- Python inbuilt Modules
- os, sys, datetime, time, random, zip modules
- Create Python UDM – User Defined Modules
- Define PYTHONPATH
- Create Python Packages
- init File for package initialization
Exceptional Handing and Object-Oriented Python
- Python Exceptions Handling
- What is Exception?
- Handling various exceptions using try….except…else
- Try-finally clause
- Argument of an Exception and create self exception class
- Python Standard Exceptions
- Raising an exceptions, User-Defined Exceptions
- Object oriented features
- Understand real world examples on OOP
- Implement Object oriented with Python
- Creating Classes and Objects, Destroying Objects
- Accessing attributes, Built-In Class Attributes
- Inheritance and Polymorphism
- Overriding Methods, Data Hiding
- Overloading Operators
Debugging, Framework & Regular expression
- Debug Python programs using pdb debugger
- Pycharm Debugger
- Assert statement for debugging
- Testing with Python using UnitTest Framework
- What are regular expressions?
- The match and search Function
- Compile and matching
- Matching vs searching
- Search and Replace feature using RE
- Extended Regular Expressions
- Wildcard characters and work with them
Database interaction with Python
- What are various type of functions
- Create UDF functions
- Parameterize UDF function, through named and unnamed parameters
- Defining and calling Function
- The anonymous Functions – Lambda Functions
- String Object functions
- List and Tuple Object functions
- Dictionary Object functions
Package Installation, Windows spreadsheet parsing and webpage scrapping
- Process text files using Python
- Read/write and Append file object
- File object functions
- File pointer and seek the pointer
- Truncate the file content and append data
- File test operations using os.path
What our Students say
FAQ'S
AWS (Amazon Web Services) is a leading cloud computing platform used by businesses worldwide to deploy, manage, and scale applications. Learning AWS opens up a wide range of career opportunities in cloud architecture, DevOps, and IT infrastructure management.
This course is ideal for IT professionals, developers, system administrators, DevOps engineers, architects, and beginners who want to start their journey in cloud computing.
The key benefits include mastering AWS services, gaining hands-on experience, enhancing your career prospects, and preparing for industry-recognized AWS certifications. AWS skills are in high demand, opening doors to well-paying jobs in the cloud computing space.
Upon completion, you can pursue roles such as Cloud Architect, AWS Solutions Architect, Cloud Engineer, DevOps Engineer, and System Administrator.
AWS Interview Questions for Freshers
1. What are the three basic types of cloud computing?
Currently, the three basic types of cloud computing include the following:
- Infrastructure as a Service (IaaS)
- Platform as a Service (PaaS)
- Software as a Service (SaaS)
2. What is the similarity between the Availability Zones and Regions?
The similarity between Availability Zones and Regions is that they both provide geographical redundancy and isolation for cloud infrastructure in the AWS cloud. Availability Zones are distinct locations within a given Region, while Regions are geographic areas with multiple Availability Zones.
3. Define auto-scaling.
Auto-scaling is a cloud computing feature that allows a system to automatically scale its resources up or down based on demand or predetermined conditions. This is typically used to ensure that there are enough resources to handle the load on a system, while also avoiding over-provisioning and keeping costs low.
4. List the steps involved in a CloudFormation Solution.
AWS CloudFormation Solution helps you easily manage AWS resources. The steps are mentioned below:
- Create and use an existing CloudFormation template with the help of YAML or JSON format
- The code then needs to be stored in an S3 bucket.
- Call the bucket using AWS CloudFormation and on your template you need to create a stack
- CloudFormation reads the files, their order, and the relationship between the services, provisions the services one after the other, and understands the services that are called.
5. What is the process to upgrade or downgrade a system with near-zero downtime?
This is one of the most common AWS basic interview questions. However, to answer this well, you must list down all the required steps for the procedure. Listed below are the steps to be followed to upgrade or downgrade a system ensuring near-zero downtime:
- Open EC2 console
- Select Operating System AMI
- Initiate an instance with the new instance type.
- Install updates
- Install applications
- Test the instance
- If working, deploy to the new instance and replace the previous instance.Soon, it’s deployed, and now you can upgrade or downgrade
6. Give four AWS services that are not region-specific.
Following are four examples of AWS services that are not region-specific:
- Route 53: A domain name system service
- IAM: Helps access AWS resources securely
- Web Application Firewall: To separate web-application and the internet
- Cloudfront: A content delivery network to deliver app, videos or data from providers to consumers quickly.
7. Give one difference between NAT Gateways and NAT Instances.
The Bandwidth of NAT Gateway is up to 45 Gbps and can automatically scale based on traffic requirements whereas, in NAT Instance, it depends on instance bandwidth.
8. Define Elastic Transcoder.
Elastic Transcoder is an AWS service tool that supports multiple devices with various resolutions and formats of video, like laptops, tablets, and smartphones. It is a cloud-based media transcoding service provided by Amazon Web Services (AWS) that enables you to convert video and audio files from one format to another. The service supports a wide range of input and output formats, codecs, and resolutions, making it easier to deliver content to various devices, including laptops, tablets, and smartphones.
9. Define Amazon EC2?
EC2 is also called Elastic Compute Cloud. Amazon EC2 is used to launch virtual computing servers as needed, manage storage, and configure security and networking.
10. Elaborate on the best practices for Amazon EC2.
Some best practices are as follows:
- Using identity federation to manage AWS resources and APIs
- Using least permissive rules
- Using Amazon inspector to check any software vulnerabilities
11. Can S3 be used with EC2 instances?
12. Write some tools and techniques that are used in AWS to determine if you are paying more or not.
AWS provides the following tools to get reliable data for making cost forecasts, optimizations, or for managing the costs.
- AWS Cost Explorer: Helps to track costs incurred and data used over time.
- AWS Budgets: Helps set custom spending plan on aws for specific time.
- Cost Allocation Tags: Provides tags that can be assigned to resources within your AWS account so that you can track usage and cost of AWs resources.
13. What is a T2 instance in AWS
T2 instances are low-cost instance types for general use. They provide base-level CPU performance but can provide bursts above the baseline. They work best where full CPU capacity is not needed constantly and is only needed to burst higher CPU performance.
14. List other tools which log into the cloud environment other than the console.
There are various tools that can log into the cloud environment, in addition to the console. Some common ones include:
- Putty
- AWS CLI for Linux
- AWS CLI for Windows
- Eclipse
- AWS SDK
15. List the services that can be used to create a centralized logging solution.
A centralized logging solution enables organizations to gather, analyze and display Amazon CloudWatch Logs in one central place. You can use Amazon CloudWatch Logs, Amazon ElasticSearch, and Amazon Kinesis to create a centralized logging solution.
16. List the two native AWS security logging capabilities.
Two popular AWS services that provide security log data to provide insight into how the service is operating are:
- AWS CloudTrail
- AWS Config
Besides this, AWS Security Hub and AWS GuardDuty can also be used for insights into your security.
17. Explain the DDoS attack.
DDoS is a cyber-attack. Here, the perpetrator accesses a website and creates numerous sessions so that the other fair users cannot access the service.
18. List the tools to minimize DDoS attacks on your AWS services.
The following tools can be used to minimize DDoS attacks on AWS services:
- AWS Shield
- AWS Waf
- Amazon CloudFront
- ELB
- Virtual Private Cloud (VPC)
19. Using what do you monitor website metrics in real-time in AWS?
Using Amazon CloudWatch, you can set up a system monitor to monitor state changes in scheduled events, Amazon EC2, Auto-scaling lifecycle events, AWS API calls
and Console sign-in events.
Beside this, you can also use AWS Lambda and AWS Elasticsearch for real-time website metrics monitoring.
20. List the different types of virtualization in AWS.
There are three types of virtualization in AWS. These include:
- Hardware Virtual Machine (HVM)
- Paravirtualization (PV)
- Paravirtualization on HVM
21. How are stopping and terminating an EC2 instance different?
Stopping an EC2 instance means you are normally shutting it down and moving it to a stopped state. On the other hand, terminating the instance means you are permanently deleting the instance. When this happens, it’s attached volumes are deleted and you cannot recover them.
22. Tell the names of three types of EC2 instances based on their costs.
The three types of EC2 instances based on their costs are as follows:
- On-demand Instance
- Spot Instance
- Reserved Instance
23. Write steps to enable SSH agent forwarding?
SSH agent forwarding is a process whereby a SSH server gets access to SSH client and can be enabled as follows:
Enable SSH agent
#starting up ssh-agent in the background
$ eval “$(ssh-agent -s)”
Agent pid 6969
Now, we add SSH key to the SSH-agent
$ ssh-add ~/.ssh/id_rsa
Connect to the host
ssh -i ~/.ssh/id_rsa user@our_host_ip
24. Are Solaris and AIX operating systems available with AWS?
No, both operating systems are not available with Amazon Web Service.
25. How do you set CloudWatch to recover an EC2 instance?
You can follow these steps to set the AWS CloudWatch to recover an EC2 instance:
- Create an Alarm using Amazon CloudWatch
- Then, Define Alarm→ Actions tab
- Choose to Recover this
26. List the three common types of AMI designs.
The three most common types of AMI designs are as follows:
- Fully Baked AMI
- Just Enough Baked AMI (JeOS AMI)
- Hybrid AMI
27. Explain Key-Pairs in AWS.
Key-pairs in AWS are secured login information for virtual machines. They are password protected login credentials to verify your identity while connecting the Amazon EC2 instances. AWS key-pairs are made up of private and public keys that connect to the instances.
28. Define Amazon S3.
S3 stands for Simple Storage Service. Amazon S3 is the best-supported storage platform available. It helps to supervise data for cost optimization, compliance, and access control.
29. How will you recover an EC2 instance for which you have lost the key?
The following steps can be followed to recover an EC2 instance whose key has been lost:
- Check that the EC2Config service is running
- Stop the original instance before proceeding further
- Separate the root volume for the instance
- Attach it to a temporary instance
- Mount the volume on temporary instance
- Modify the configuration file
- Unmount the volume and detach it from temporary instance
- Reattach the volume to original instance
- Restart the original instance
30. List some policies you can set for your users’ passwords.
Some of the policies that can be set for a user’s passwords, include:
- Minimum length of the password
- Particular character types
- Automatic expiration of password.
1. What is the difference between AWS S3 and EBS?
AWS S3 and EBS have different performance characteristics and are optimized for different use cases.
AWS S3 is designed for large-scale, durable, and cost-effective storage of unstructured data objects, and it provides a high level of scalability, availability, and durability.
AWS EBS, on the other hand, is a block-level storage service that provides persistent storage for EC2 instances. EBS volumes are optimized for low-latency, high-throughput workloads that require fast and reliable access to data, such as database servers, transactional processing systems, and high-performance computing applications.
2. How can you fix if a VPC is not resolving the server through DNS?
You have to enable the DNS hostname resolution. By this, the problem itself resolves.
3. Name three security products and features in AWS.
Three security products and features of AWS include:
- Security groups
- Network access control lists
- Flow logs
4. Explain security product features available in VPC.
The security product features VPC offers include the following:
- Security groups act as a firewall for the EC2 instances and control traffic.
- Network access control acts as a firewall for the subnets and controls traffic.
- Flow logs capture the traffic from the network interfaces in your Virtual Private Cloud.
5. How can you monitor Amazon VPC?
The Amazon VPC can be monitored using these tools:
CloudWatch: CloudWatch is a monitoring service from Amazon Web Services (AWS) that monitors network traffic, memory use and other aspects of your VPC.
VPC Flows Logs: A VPC Flows Log allows you to gather information about traffic movement in and out of VPC.
6. In a VPC, how many subnets are present?
Two hundred subnets can be created in a single Amazon VPC.
7. Why one should prefer Provisioned IOPS, not Standard Rds Storage?
We prefer Provisioned IOPS over Standard Rds Storage because it delivers high IO rates. Usually, we use Provisioned IOPS when there are batch-oriented workloads. However, it is expensive as compared to Standard Rds Storage.
8. Give one difference between Amazon Rds, Redshift, and Dynamodb.
Amazon Rds manages upgrading, patching, and data backups automatically. DynamoDB is used to deal with unstructured data. On the other hand, Redshift is used in data analysis.
9. Give one benefit of AWS’s Disaster Recovery.
AWS cloud supports many popular disaster recovery architectures. In addition, it provides a set of cloud-based disaster recovery services which enable rapid recovery of a business’s IT infrastructure and data. One major benefit it provides to businesses is system security, where it integrates backup, restoration and data protection into a disaster recovery plan, reducing security risks altogether.
10. How can a user gain access to a specific bucket?
A user can access to a particular bucket in AWS using any of the following methods:
- Create a bucket
- Create an IAM user or use an existing one
- Create an IAM policy
- Attach the policy to the IAM user:
- Test the user’s access
11. Define Snowball.
Snowball provides secure, robust, and well-built devices enabling users to bring AWS computing and storage ability to an edge environment. Also, it helps in the transfer of data outside as well as inside of the AWS environment. These devices are known as AWS Snowball devices or AWS Snowball Edge devices.
12. How is data transferring done using Snowball?
You can follow these steps to transfer data through Snowball:
- Create a job
- Connect the application to the job
- Copy the data into the Snowball application
- Transfer the data to the AWS S3.
13. List a few storage classes available in Amazon S3.
Some of the storage classes available in Amazon S3 include:
- S3 Outposts storage class
- Amazon S3 Standard-Infrequent Access
- Amazon S3 Standard
- Amazon S3 Intelligent-Tiering
- Amazon S3 Reduced Redundancy Storage
14. Define Amazon VPC.
Amazon VPC is a way by which you can easily connect your own data center with your cloud resources. This means you can launch AWS resources in your pre-defined virtual network. With Amazon VPC, you can launch AWS resources such as EC2 instances, Elastic Load Balancers (ELBs) as well as RDS databases within your own defined virtual network.
15. Is it possible to create a new Auto Scaling group by adding an existing instance?
Yes, we can create an Auto Scaling group in AWS by adding an existing instance using the following steps:
- Open EC2 console
- Select your instance under the instance
- Choose Action -> Instance Setting -> Attach to Auto Scaling Group
- Select a new Auto Scaling group
- Attach this group to the instance
- Edit the instance if needed
- After completing, you can successfully add the instance
16. List the essential points to consider while migrating to AWS.
Operational Costs such as cost of infrastructure
- Workforce Productivity: How much output you are able to obtain in a given time
- Cost Avoidance: Ensuring that the work is done in minimal time and with minimal cost
- Operational resilience:Ability to sustain operations in adverse circumstances.
- Business agility :Ability to rapidly respond to market changes.
17. Define RTO in AWS.
RTO stands for Recovery Time Objective. The RTO is used to determine how quickly an organization’s application can recover after an outage occurs.
18. Define RPO in AWS.
RPO stands for Recovery Point Objective. This indicates the maximum amount of data your application can tolerate losing due to an outage.
19. Tell one difference between AWS CloudFormation and AWS Elastic Beanstalk.
Where AWS CloudFormation helps you describe infrastructure resources that are present in your cloud environment, AWS Elastic Beanstalk provides an environment that eases the deployment and running of applications in the cloud.
20. List the elements of an AWS CloudFormation template.
Following are the elements that can be found in an AWS CloudFormation template:
- Template parameters
- Data tables
- Output values
- Resources and their configuration values
- File format version number
21. Suppose one of the resources in a stack cannot be created successfully, what will happen then?
If one of the resources in a stack isn’t created successfully, the CloudFormation automatically rolls back and ends the resources created in the CloudFormation template.
22. Define Snowmobile.
Snowmobile is an exabyte-scale migration service that allows you to transfer large volumes of data up to 100 PB. Some of its use cases include:
- Migrating large amount of data
- Customizing data transfer operations for your locations.
- Keeping your data transfer secure.
23. What are the benefits of AWS IAM?
AWS IAM assigns roles to multiple users and groups to create roles with defined access levels using IAM. Here are a few other key benefits of using AWS IAM:
- Better customer and user experience.
- Improved safety and risk management
- A greater control over users and data
- Reduced business costs.
24. What do you understand by Connection draining?
Connection draining is the allowing of serving current requests on the servers. These requests can be either decommissioned or updated.
25. Tell me about Power User Access in AWS.
Power-users have owner access like an administrator user but can’t control other users and permissions. The Power user access in AWS IAM gives permission to do other roles except using IAM. A user with this permission can create, view or remove resources from AWS accounts but can’t create other user’s or alter any user’s permissions.
26. How will you automate EC2 backup using EBS?
An EC2 backup using EBS can be automated through the following steps:
- Through API, listi instances and connect them to AWS
- Identify Volumes: Once you have identified the instances, the next step would be to identify the EBS volumes that are attached to them. This can be done using the ‘describe-volumes’ command.
- Then listing the snapshots for each volume and assigning a retention period too.
- Also, removing the snapshot older than the retention period.
27. Tell one difference between EBS and Instance Store.
EBS is a permanent storage where you can recover data at a later point from the storage. When you save data here, its stays even after EC2 instance lifetime. Whereas, EC2 on is a temporary storage, and hence, doesn’t allow data recovery.
28. Is it possible to take a backup of EFS like EBS?
Yes, it is possible to take a backup of EFS like EBS. Amazon EFS (Elastic File System) provides the ability to take point-in-time backups of your file system using Amazon EFS backup. With Amazon EFS backup, you can create a snapshot of your file system at a particular point in time and store it in AWS S3. You can then use the snapshot to restore your file system in the event of data loss or accidental deletion.
Here are the steps to follow:
- Sign in to your AWS console
- Click EFS-to-EFS-restore button
- Select region through region selector bar
- Check if you have selected the right template
- Put a name for your solution stack.
- Finally review the parameters for the template.
29. Tell about the different types of load balancers in AWS.
There are three types of load balancers in AWS. These include:
- Application Load Balancer: This is a layer 7 load balancer and routes traffic to targets such as EC2 instances.
- Network Load Balancer: This improves application availability and responsivity and prevents server overload.
- Classic Load Balancer : This operates at both the connection level and request level and provides load balancing across multiple Amazon EC2 instances.
30. Tell some uses of the various load balancers in AWS Elastic Load Balancing.
Listed below are the uses for the load balancers in AWS Elastic Load Balancing:
- Application Load Balancer for flexible load management: It can detect if any server is not performing and automatically switches to another causing no downtime.
- Network Load Balancer for extreme performance: Can handle volatile work loads, handle millions of request per second and ofer support for containerized applications to list a few.
- Classic Load Balancer for EC2 Classic network: Distributes incoming traffic across multiple targets.
31. Can you tell me what Identity and Access Management (IAM) is?
AWS IAM is a web service that securely controls access to AWS services. It provides a centralized view of resources that are allowed inside AWS and what permissions they have. It ensures that the right people and job roles in the organization can access the tools to do their jobs. It allows the organization to manage a range of identities whether it is people, software, or hardware like robotics and IoT devices. Basically an organization needs IAM to increase employee productivity and to provide online security.
1. What is the use of AWS WAF in monitoring your AWS applications?
AWS Web Application Firewall protects your web applications from any web exploitations and bots that can affect availability, security and consume excessive resources. It filters web traffic and prevents account takeover fraud. It creates and maintains rules by itself and incorporates them into the design and development process.
2. List AWS IAM categories that you can control.
The following AWS IAM categories are the ones a user can control:
- Creating and managing IAM users and IAM groups
- Taking care of the security credentials of the users
- Policy management
- Access Management
- Identity Governance and Administration
3. Tell one difference between an IAM role and an IAM user.
Where the IAM role defines a set of permissions for AWS service requests, the IAM user has specific long-term credentials and you can assign IAM role to a user.
4. List two types of managed policies in AWS IAM.
Two kinds of policies provided by AWS IAM are managed by the user and managed by AWS. These are built-in managed policies that can be attached to Roles or Users.In the case of the latter, the user is not able to change the configuration or policy as it is managed by AWS.
5. How does AWS IAM help your business?
By managing IAM users and their access, you can centrally manage permissions that control which AWS resources users can access. Hence, it becomes easier to identify who is authenticated and authorized to use resources.
Some benefits IAM provides to businesses are as follows:
- Better security: IAM ensures that only authorized users have access to AWS resources.
- Better collaboration: IAM allows to easily share resources with other team members all the while maintaining the control over access permissions.
- More control: IAM provides well defined permissions to have greater control over who has access to which resources.
- Cost savings: As IAM prevents unnecessary resource usage, it leads to cost savings for your business.
6. What is Amazon Route 53?
Amazon Route 53 is a DNS service that provides businesses and developers a safe way to route traffic to the applications. For this, Amazon Route 53 translates domain names into numeric IP addresses. Route 53 also manages network traffic globally and builds highly available applications.
Route 53 provides features such as domain registration, health checks, traffic routing policies, and DNS query logging. It is designed to provide high availability and low latency for queries, with a global network of DNS servers located in multiple regions around the world.
7. Tell me about Cloudtrail.
Cloudtrail is a service that provides security monitoring, troubleshooting, and auditing through API and user tracking. It captures information for every request that is sent to Amazon Route 53 API by an AWS account. Moreover, Cloudtrail saves the information about requests sent to IAM users. CloudTrail logs include information about who made the API call, when the API call was made, the source IP address of the request, and other details.
8. How do Cloudtrail and Route 53 Work Together?
When an AWS account makes requests to Amazon Route 53 by IAM users, CloudTrail records it. The request log files then generated are saved by CloudTrail in an Amazon s3 bucket.
9. Differentiate between Latency-Based Routing and Geo DNS.
LatencyBased Routing uses latency measurements between the AWS datacenters and user networks. Whereas, the Geo DNS bases routing decisions on the geographic location from where the request is made.
10. Tell the difference between a Domain and a Hosted Zone.
A domain is a collection of data and has easily recognizable names for numerically addressed Internet resources. Whereas, a hosted zone is a container to hold information and it is analogous to a traditional DNS zone file.
11. For high availability and low latency, why is Amazon Route 53 so popular?
Amazon Route 53 is highly preferred for low latency and high availability due to the following reasons:
- Globally Distributed Servers: shorten the distance between the user and the resource.
- High level of dependability: to maintain a DNS service
- Highly Available and Reliable: Can direct customers reliably to online apps
- Flexible: Can manage traffic through various routes
12. Is it possible for AWS to Config aggregate data across different AWS accounts?
Yes, Users can also use a delegated admin account to aggregate data from all the member accounts in AWS organizations without any additional authorization. With this, different teams in a company can use separate accounts, and aggregate organization-wide data in their respective administration accounts for centralized governance.
13. Are reserved instances different from on-demand DB instances?
Reserved and on-demand DB instances are the same by function but differ in how they are billed. Reserved DB instances come with a discount compared to on-demand DB instance pricing.
14. List two types of scaling you will use for RDS?
This is one of the most common AWS interview questions hiring managers ask, especially at the advanced level. Vertical scaling and horizontal scaling are the two types of scaling that can be used for RDS. In vertical scaling, users can add more capacity to storage and compute on current RDS instances. Moreover, it is suitable if users can’t change their application and database connectivity configuration. Whereas, horizontal scaling refers to adding an RDS instance for reads and writes, and it also increases performance by extending the database operations to additional nodes.
15. What is a maintenance window in Amazon RDS?
It helps decide when DB instance modifications, version upgrades to the database engine, and software patching have to occur.
16. List two types of consistency models in DynamoDB.
The two types of consistency models in DynamoDB are as follows:
- Eventual Consistency Model: This model indicates that the data store is highly available. his model provides the highest level of availability and the lowest latency.
- Strong Consistency Model: This model indicates that the data should be consistent always. This model ensures that all replicas of a data item are updated before a read operation returns
17. Explain DynamoDB.
Amazon DynamoDB is a NoSQL database service. DynamoDB is a fully managed service, offering predictable and rapid performance to run highly-performant applications at scale. DynamoDB is highly preferred as it supports flexible querying, along with GET/PUT operations through a user-defined primary key. Furthermore, DynamoDB delivers apps with consistent single-digit millisecond performance and automatic multi-Region replication. It secure users data with encryption at rest, automatic backup and guaranteed reliability.
18. Explain SES.
Simple Email Service (SES) is an Amazon service that delivers high-volume emails to customers. SES reaches at the customer inboxes as a trusted sender with secure email authentication. It also supports a variety of deployments including dedicated, shared, or owned IP addresses. Moreover, Amazon SES keeps users up-to-date by sending automated emails, such as purchase or shipping notifications, order status updates and policy change notices.
19. Explain SQS.
Simple Queue Service (SQS) is an Amazon-provided service that provides users with quick and reliable message queuing. Using SQS, messages are queued temporarily until the user wants to send them to consumers, thus removing overhead with no upfront cost. Moreover, SQS helps to communicate sensitive data securely between applications.
20. What is SNS?
Simple Notification Service is a web service provided by Amazon to manage the delivery of messages to recipients. SNS delivers application-to-application (A2A) notifications and allows them to integrate and decouple distributed applications. Here, users can simplify their architecture and reduce costs with message filtering, ordering, batching, and deduplication.
21. What is Amazon ElastiCache?
Amazon ElastiCache is a web service managing the memory caching environment, boosting application performance, reducing latency to microseconds and decreasing overall costs. ElasticCache is compatible with both Redis or Memcached, users can build with their choice. Cache your data to reduce pressure on your backend database.
22. What are the benefits of ElastiCache?
Following are the benefits of using ElastiCache:
- Scalable Caching Environment: ElastiCache is a fully managed solution that can scale in-memory cache environment in cloud
- High-Performance: ElastiCache reduces latency to improve the performance of the database providing high throughput.
- Cost-effective depending on the scale it is used
- Eases backend database load
- Builds low-latency data stores.
23. Do you know what Lambda Edge is?
Lambda Edge is a feature of Amazon CloudFront that lets you run code closer to users, avoiding any unnecessary latency, and thus, improving performance. Using Lambda Edge, users don’t have to manage infrastructure in multiple locations around the world. Moreover, Lambda Edge helps users enrich their web applications by making them globally distributed and improving their performance.
24. Which database service will you choose if you want to develop a game with low latency?
Amazon DynamoDB would be the ideal option for developing a game with low latency. DynamoDB provides fast performance with good scalability. Therefore, it can be used to create a table to handle a large number of traffic, and store or call back any amount of data. DynamoDB achieves this by distributing the traffic and data over a number of servers. It focuses on innovation and optimizing costs with a fully managed serverless database that automatically scales up and down to fit your needs.
25. Which service will you use for real-time monitoring of AWS services?
Amazon CloudWatch is an excellent service that helps in real-time monitoring of AWS services. CloudWatch allows you to track the metrics of your resources and applications, and you can view them on the CloudWatch home page. CloudWatch also improves operational performance through alarms and automated actions that set to activate at some predefined thresholds.
26. What service will you choose if you are an ML engineer looking for a solution that can find sensitive information?
For an ML engineer trying to implement a solution for finding sensitive information, Amazon Macie would be an ideal option. Amazon Macie is a security monitoring tool that uses AWS’s AI engine for classifying and analyzing content in Amazon S3 buckets. Macie uses machine learning and pattern matching to help secure sensitive data.
27. As a system administrator who wants to track users, authentication, and permissions, which service will you choose?
AWS IAM is an ideal choice for system administrators. IAM allows users to secure control and manage permissions of the resources users can access, including authentication and authorization. This service grants temporary security credentials for workloads that access users’ AWs resources. It manages identities across single AWS accounts or centrally connects identities to multiple AWS accounts.
28. Tell me, which service can help you allocate various private and public IP addresses and make them interact with the internet and other instances?
Amazon VPC can help allocate private and public IP addresses, also making them interact with other instances, including the internet. This is because VPC allows AWS resource allocation in a user-defined virtual network. This service monitors connections, screen traffic, and restricts instance access inside the user virtual network. Moreover, VPC can customize users virtual network by choosing user IP address range, creating subnets and configuring route tables.
29. Which service is the best for cost-efficiency, resizable capacity, and the ability to automate time-consuming administration tasks?
Amazon RDS helps to set up, operate, and scale the relational database engines in the cloud with users choice. Hence, it makes the perfect choice for resizable capacity, cost-efficiency, and automating tedious administration tasks.
30. Which service is useful for accessing human researchers or consultants?
Amazon Mechanical Turk is helpful for accessing consultants or human researchers, as it is a crowdsourcing marketplace. Using Mechanical Turk, individuals and organizations can seamlessly outsource their jobs to a distributed workforce who can perform these tasks virtually. Mechanical Turk also optimizes efficiency, increase flexibility and reduce costs.
31. Tell the AWS service that can make it easy to manage scale containerized applications using Kubernetes on AWS.
Amazon Elastic Container Service (ECS) builds container-based applications and launches thousands of containers across the cloud. Users can automatically scale and run web applications in multiple availability zones with the performance, reliability, scale, and availability of AWS.
32. Which service can help you run code without the need to manage servers?
AWS Lambda can help users run code without managing servers as it is a serverless computing platform. One only needs to put code on Lambda for it to run. It writes, upload code as a zip file or container image, and runs the code without provisioning and managing infrastructure. Also, Lambda can work with any scale of code execution requests.
33. Which service lets you pay-per-use service and manage messages between software components?
Amazon SQS is a pay-per-use service that helps users manage messages between software components. SQS allows users to decouple and scale web services together using queues in a very simple and reliable way. It ensures users that the work is completed on time and cost- effectively. Moreover, SQS allows users to deduplicate messages while maintaining the message order and process messages at high scale. In banking applications, SQS separates front-end from back-end systems, processes bill payments in the background, and still offers customers immediate responses.
34. Which service is suitable for hosting a real-time audio and video conferencing application on AWS?
Amazon Chime is ideal for hosting real-time audio and video conferencing applications on AWS. Chime is a communication service that lets users chat, meet, and place business calls inside and outside your company, all using a single application. Users can conduct and attend online meetings with screen sharing, dial-in numbers, meeting chat, and in-room video conference support. With the help of Amazon Chime, administer enterprise users can manage policies and set up SSO or other latest features in a very short period of time.
35. Which service lets you design thousands of similar individual jobs?
AWS Batch lets users create a range of similar individual jobs. AWS Batch is a batch computing service that helps developers, scientists and engineers easily perform batch computing operations on AWS quickly and effectively. Thanks to AWS it is not necessary to operate a third- party commercial or open-source batch processing system. Batch helps users to take advantage of the services without any hassle about setting up and managing the required infrastructure.
36. What is Amazon CloudSearch?
Amazon CloudSearch is a cloud service that acts as a simple, cost effective and scalable search solution for your website. CloudSearch helps to bring various sorts of seek and fetch abilities to your application and supports 34 languages and popular search features such as autocomplete, highlighting, and geospatial search. Plus, CloudSearch helps you add rich search capabilities to your website.
37. What is AWS Certificate Manager?
AWS Certificate Manager is an administrative feature that helps you provision, deploy, and manage public and private Secure Socket Layers. These layers are used with AWS services for internally connected resources.
38. Explain what is Auto Scaling group.
An Auto Scaling group contains a selection of EC2 instances that are treated as groups for automatic scaling and management. Auto Scaling is a service that helps the user closely monitor applications and automatically adjusts their capacity for better, steady, predictable performance at the lowest possible cost. There are many benefits of Auto Scaling such as better cost management, fault tolerance, high availability, reliability and flexibility of resources. Users must remember that they need to create a backup and store data in Auto Scaling.
