AWS Concepts and Practices

What is the primary purpose of IAM roles in AWS?

• To create and delete AWS resources automatically.

• The primary purpose of IAM roles in AWS is to provide temporary access to AWS resources without sharing long-term credentials.

• To permanently store user credentials for AWS services.

• To manage billing and account settings in AWS.

How do IAM policies differ from IAM roles?

• IAM policies are temporary; IAM roles are permanent.

• IAM policies can be assumed; IAM roles define permissions.

• IAM policies define permissions; IAM roles are a set of permissions that can be assumed.

• IAM policies are only for users; IAM roles are for groups.

What is the function of AWS CloudWatch?

• AWS CloudWatch monitors AWS resources and applications, providing metrics, logs, and alarms.

• AWS CloudWatch is a database service for storing logs.

• AWS CloudWatch stores data for long-term analysis.

• AWS CloudWatch provides a user interface for managing AWS accounts.

How can you create a CloudWatch dashboard?

• Use the AWS Management Console to create a CloudWatch dashboard.

• Use third-party tools to create a CloudWatch dashboard.

• Create a CloudWatch dashboard using Python scripts.

• Use the AWS CLI to create a CloudWatch dashboard.

What is the significance of AWS CloudTrail?

• AWS CloudTrail is used for data storage optimization.

• AWS CloudTrail is significant for monitoring and auditing AWS account activity.

• AWS CloudTrail helps in application development.

• AWS CloudTrail is a tool for creating virtual machines.

What does AWS Trusted Advisor do?

• AWS Trusted Advisor is a billing management tool.

• AWS Trusted Advisor only monitors security threats.

• AWS Trusted Advisor provides real-time guidance to help optimize AWS resources based on best practices.

• AWS Trusted Advisor provides offline support for AWS services.

How do health checks work with load balancers in AWS?

• Health checks are only used for monitoring server performance.

• Load balancers do not require health checks to function properly.

• Health checks automatically redirect traffic to the nearest data center.

• Health checks ensure that traffic is only sent to healthy targets in AWS load balancers.

What is an EC2 instance?

• A networking service that connects different cloud resources.

• A physical server in Amazon's data center.

• A type of database service offered by AWS.

• An EC2 instance is a virtual server in Amazon's Elastic Compute Cloud (EC2).

What are the different types of EC2 instances available?

• Web Hosting Instances

• Virtual Private Servers

• The different types of EC2 instances available are: General Purpose, Compute Optimized, Memory Optimized, Storage Optimized, and Accelerated Computing.

• Database Instances

What is the difference between AWS S3 and DynamoDB?

• AWS S3 is for object storage; DynamoDB is for NoSQL database.

• AWS S3 is a relational database; DynamoDB is for file storage.

• AWS S3 is for caching data; DynamoDB is for data warehousing.

• AWS S3 is for block storage; DynamoDB is for SQL databases.