AWS InterviewPrep

 


 What does AWS stand for?

   a) Amazon Web Server

   b) All Web Services

   c) Advanced Web Solutions

   d) Amazon Web Services


 What is the purpose of an Amazon S3 bucket?

   a) To store virtual machines for deployment.

   b) To store and retrieve any amount of data at any time.

   c) To manage user authentication and authorization.

   d) To provide a scalable and fault-tolerant database.


 What is the maximum file size that can be stored in an Amazon S3 bucket?

   a) 1 GB

   b) 5 GB

   c) 10 GB

   d) 5 TB


 Which AWS service is used to automatically scale EC2 instances based on demand?

   a) Amazon RDS

   b) AWS Elastic Beanstalk

   c) Amazon EC2

   d) AWS Lambda



 What is the function of an AWS Security Group?

   a) To control access to an Amazon RDS database.

   b) To define security rules for an EC2 instance.

   c) To manage access control for IAM users.

   d) To provide encryption for Amazon S3 objects.



 What is the purpose of an AWS IAM user?

    a) To represent an individual with specific permissions and security credentials.

    b) To manage data replication across multiple AWS regions.

    c) To authenticate AWS services with each other within a VPC.

    d) To create and manage resources like EC2 instances and S3 buckets.


 What is an AWS region?

    a) A virtual network within an Amazon VPC.

    b) A data center location with multiple availability zones.

    c) A group of IAM users with similar access permissions.

    d) A scalable storage solution for application data.


 What is the purpose of an Amazon VPC (Virtual Private Cloud)?

    a) To distribute content to end-users with low latency.

    b) To provide a secure and isolated network environment in the cloud.

    c) To manage and scale containerized applications.

    d) To monitor AWS resources and applications in real-time.


 What is an EC2 instance?

    a) A scalable and fault-tolerant database in AWS.

    b) A collection of AWS resources deployed in multiple availability zones.

    c) A virtual server in the cloud used to run applications.

    d) A secure and encrypted storage solution for sensitive data.



 Which AWS service can be used to store and retrieve large amounts of unstructured data with low latency access?

    a) Amazon RDS

    b) Amazon DynamoDB

    c) Amazon S3

    d) Amazon Redshift



 What is the purpose of an Amazon Elastic Load Balancer (ELB)?

    a) To create scalable and fault-tolerant databases in the cloud.

    b) To provide secure access control for AWS resources.

    c) To distribute incoming application traffic across multiple EC2 instances.

    d) To enable real-time data streaming and analytics.



 How does AWS CloudFront improve the performance of websites and applications?

    a) By automating the deployment and scaling of EC2 instances.

    b) By providing a content delivery network (CDN) for caching and distributing content to end-users.

    c) By managing access control and permissions for IAM users.

    d) By providing real-time monitoring and analytics for AWS resources.


 What is the primary function of Amazon DynamoDB in AWS?

    a) To provide scalable and flexible cloud computing resources.

    b) To store and retrieve any amount of data at any time.

    c) To manage user authentication and authorization.

    d) To create and manage virtual private networks (VPNs).



 How can you achieve high availability for an application running on EC2 instances in multiple availability zones?

    a) By using Amazon CloudFront to distribute traffic to the instances.

    b) By launching the instances in a single availability zone with redundant storage.

    c) By placing the instances behind an Elastic Load Balancer.

    d) By using Amazon RDS for database replication.


 In AWS IAM, what is the purpose of a managed policy?

    a) To allow IAM users to manage their own access permissions.

    b) To automatically rotate IAM user passwords.

    c) To enforce MFA (Multi-Factor Authentication) for all IAM users.

    d) To define a set of permissions that can be attached to multiple IAM users, groups, or roles.




 What is the purpose of an AWS IAM user?

    a) To represent an individual with specific permissions and security credentials.

    b) To manage data replication across multiple AWS regions.

    c) To authenticate AWS services with each other within a VPC.

    d) To create and manage resources like EC2 instances and S3 buckets.



 What is an EC2 instance?

    a) A scalable and fault-tolerant database in AWS.

    b) A collection of AWS resources deployed in multiple availability zones.

    c) A virtual server in the cloud used to run applications.

    d) A secure and encrypted storage solution for sensitive data.


 Which AWS service is used to send notifications and alerts to subscribers using email, SMS, or other endpoints?

    a) AWS Lambda

    b) Amazon SNS

    c) Amazon SQS

    d) Amazon CloudFront


 How can you access an EC2 instance securely without exposing its public IP address?

    a) By attaching an Elastic IP address to the instance.

    b) By using an Elastic Load Balancer in front of the instance.

    c) By configuring a Security Group to allow specific IP addresses.

    d) By launching the instance in a specific subnet.



 What is the purpose of an Elastic IP address in AWS?

    a) To provide secure access to AWS resources.

    b) To automatically scale EC2 instances based on demand.

    c) To enable real-time data streaming and analytics.

    d) To provide a static public IP address for an EC2 instance.


 What is the primary benefit of using Amazon S3 for storing data?

    a) It provides real-time analytics and data visualization.

    b) It automatically scales storage resources based on demand.

    c) It offers low-cost storage for large amounts of data.

    d) It enables secure communication between AWS resources.

 Which AWS service is used to monitor AWS resources and applications in real-time?

    a) Amazon CloudFront

    b) Amazon SNS

    c) AWS CloudWatch

    d) AWS Lambda


Which AWS service is designed to store and retrieve any amount of data at any time, accessible through the internet?

   a) Amazon RDS

   b) Amazon S3

   c) Amazon EC2

   d) Amazon DynamoDB


 What is the primary purpose of Amazon S3 lifecycle management?

   a) To configure data replication across multiple AWS regions.

   b) To automatically scale EC2 instances based on demand.

   c) To manage data retention and transition between storage classes over time.

   d) To monitor network traffic and block malicious requests.


 An Elastic IP address in AWS:

   a) Can be attached to multiple EC2 instances simultaneously.

   b) Is a static public IP address that can be associated with an AWS account.

   c) Is automatically assigned to every newly launched EC2 instance.

   d) Is used for internal communication within an Amazon VPC.


 Which replication policy in Amazon S3 keeps the data highly available across multiple AWS regions?

   a) Cross-Region Replication (CRR)

   b) Same-Region Replication (SRR)

   c) S3 Transfer Acceleration

   d) S3 Access Control List (ACL) Replication


 In AWS Identity and Access Management (IAM), what is the function of an IAM user?

   a) To represent an AWS account owner with full administrative privileges.

   b) To authenticate AWS services with each other within a VPC.

   c) To create and manage resources like EC2 instances and S3 buckets.

   d) To represent an individual with specific permissions and security credentials.


 To apply Multi-Factor Authentication (MFA) to an IAM user, you need to associate MFA with:

   a) The IAM user's password.

   b) The IAM user's access key.

   c) The IAM user's security groups.

   d) The IAM user's mobile phone.


 What is an IAM role in AWS?

   a) An identity used for logging into the AWS Management Console.

   b) A temporary session token used for API access.

   c) A resource that defines the permissions for a specific AWS service.

   d) An AWS identity with permissions to be assumed by other AWS entities.


 In AWS Virtual Private Cloud (VPC), what is a subnet?

   a) A reserved IP address range for internal communication within the VPC.

   b) A collection of AWS resources deployed in multiple availability zones.

   c) A segmented part of the VPC's IP address range associated with a specific availability zone.

   d) A public IP address associated with an Elastic IP.


 What is the function of a route table in AWS VPC?

   a) To control traffic flow between subnets and the internet.

   b) To manage the routing of data within an EC2 instance.

   c) To allocate and manage Elastic IP addresses.

   d) To set up domain name resolution for the VPC.


 An Internet Gateway in AWS VPC is used for:

    a) Connecting a VPC to the on-premises data center using VPN.

    b) Transferring data between instances in different availability zones.

    c) Enabling communication between instances within the same VPC.

    d) Enabling communication between instances in a VPC and the internet.


 Which EC2 instance type is best suited for applications that require a balance of compute, memory, and network resources?

    a) T2

    b) R5

    c) C5

    d) M4


 When launching an EC2 instance, what is an Amazon Machine Image (AMI)?

    a) The virtual machine's configuration file.

    b) The instance's unique identifier.

    c) A template used to create the virtual machine.

    d) The public IP address assigned to the instance.


 In AWS, what are regions used for?

    a) To define the geographical location of the data center.

    b) To control access to AWS resources using IAM policies.

    c) To determine the size and capacity of an EC2 instance.

    d) To specify the amount of storage available for an S3 bucket.



 In Amazon CloudFront, what are edge locations used for?

    a) To host the origin servers for web applications.

    b) To store backup copies of Amazon S3 objects for disaster recovery.

    c) To provide secure access control for Amazon RDS databases.

    d) To cache and distribute content to end-users with low latency.


 What are IP classes used for in AWS?

    a) To restrict access to specific IP ranges in an Amazon VPC.

    b) To define the size of an Elastic IP address.

    c) To manage IP addresses for EC2 instances.

    d) To set up communication between VPCs in different AWS accounts.


 What is the function of a NAT Gateway in AWS?

    a) To enable communication between instances in different VPCs.

    b) To secure access to an S3 bucket using private IP addresses.

    c) To provide internet access to instances in a private subnet without exposing their public IP addresses.

    d) To automate the creation and management of NAT instances.



 In Amazon S3, which storage class is best suited for infrequently accessed data with rapid retrieval requirements?

    a) S3 Glacier

    b) S3 Intelligent-Tiering

    c) S3 Standard

    d) S3 One Zone-IA


 What is the primary function of Amazon Elastic Block Store (EBS)?

    a) To provide object storage for unstructured data.

    b) To enable real-time data streaming and analytics.

    c) To store and retrieve data in a key-value format.

    d) To provide block-level storage volumes for EC2 instances.


 Which AWS service is used to distribute incoming application traffic across multiple EC2 instances?

    a) Amazon S3

    b) Amazon RDS

    c) AWS Elastic Beanstalk

    d) Elastic Load Balancing


 What is an Amazon Machine Image (AMI) used for in AWS?

    a) To store and retrieve data in Amazon S3.

    b) To enable secure communication between instances within a VPC.

    c) To create a customized template for EC2 instances.

    d) To provide load balancing for high-traffic websites.



 What is an Auto Scaling group used for in AWS?

    a) To automatically provision and manage AWS resources based on demand.

    b) To manage access control and permissions for IAM users.

    c) To create and manage a virtual private network (VPN) within AWS.

    d) To manage and monitor the performance of Amazon EC2 instances.



 In Amazon S3, what is an object versioning feature used for?

    a) To automatically encrypt all data stored in the S3 bucket.

    b) To create a replica of an S3 bucket in a different region.

    c) To keep multiple versions of an object in the S3 bucket.

    d) To automatically move objects to lower-cost storage classes based on access patterns.


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