AWS SAA Week 2

Which of the following statements are correct with regards to instance store and EBS volumes?

(Choose 2 options)

• Instance store backed EC2 instances will persist storage across instance stop, terminate and failures.

• EBS backed EC2 instances will persist storage across instance stop, terminate and failures.

• Instance store backed EC2 instances will persist storage only during instance stop and start.

• You cannot add instance store volumes once the EC2 instance is launched.

• All available EC2 instance types support instance store and EBS volumes.

Your organisation is planning to build a Big Data project on AWS. They need high data transfer rates for huge workloads to stream through with better performance. They are also looking for a solution that is cost effective. Which EBS storage type would you choose in this scenario?

• General Purpose SSD

• Provisioned IOPS SSD

• Throughput Optimized HDD

• Cold HDD

Which of the following is an action you cannot perform on an EBS snapshot?

• Create Image from snapshot.

• Create EBS volume from snapshot.

• Share a snapshot with another AWS Account.

• Make an unencrypted copy of an encrypted snapshot.

A company has a requirement to store 100TB of data in the AWS cloud. This data will be exported using AWS Snowball and then should reside in a database layer. The database should have the facility to be queried from a business intelligence application. Each item is roughly 500KB in size. What would be an ideal storage mechanism for the underlying data layer?

• AWS DynamoDB

• AWS Aurora

• AWS RDS

• AWS Redshift

A company planning to build and deploy a web application on AWS needs to have a data store to store session data. Which AWS service can be used to meet this requirement?

(Choose 2 options)

• AWS RDS

• AWS SQS

• DynamoDB

• AWS Elasticache