Plantao 4

The Trusted Advisor service provides insight regarding which four categories of an AWS account?

• Security, fault tolerance, high availability, and connectivity

• Performance, cost optimization, security, and fault tolerance

• Security, access control, high availability, and performance

• Performance, cost optimization, access control, and connectivity

Why is Amazon DynamoDB service best-suited for implementation in mobile, Internet of

Things (IoT) and gaming applications?

• DynamoDB is a fully-managed database instance with no infrastructure overheads

• Whilst in operation, DynamoDB instances are spread across at least three geographically distinct centers, AWS Regions

• DynamoDB has a flexible data model and single-digit millisecond latency

• DynamoDB supports eventual and strongly consistent reads

In a fully managed service such as Amazon Aurora, what are the implications of the Shared Responsibility Model?

• Amazon is responsible for only the physical infrastructure on which the user’s data resides.

• The user is responsible for the operating system updates, patching of software and its maintenance.

• The user is responsible for the security of the EC2 instances on which the relational database resides.

• Amazon is responsible for the EC2 instances, the operating system updates, patching of software and its maintenance

Which of the following is the concept of Autoscaling

• To scale up resources based on demand

• To distribute traffic to multiple EC2 Instances

• To distribute traffic to AWS resources across multiple regions

• To increase the size of the EC2 Instance based on demand

There is a requirement to collect important metrics from AWS RDS and EC2 Instances. Which of the following services can help fulfil this requirement.

• Amazon CloudFront

• Amazon CloudWatch

• Amazon CloudSearch

• Amazon Config

Which of the following services can provide a complete audit trail of all AWS services used within an account.

• AWS Trusted Advisor

• Amazon EC2 instance usage report

• Amazon CloudWatch

• AWS Cloud Trail logs

You are planning to serve a web application on the AWS Platform by using EC2 Instances. Which of the below principles would you adopt to ensure that even if some of the EC2 Instances crashes, you still have a working application

• Using a scalable system

• Using a regional system

• Using an elastic system

• Using a fault tolerant system