AWS - Week3 2nd GRP Quiz

My company would like to have a MySQL database internally that is going to be available even in case of a disaster in the AWS Cloud. I should setup?

• Read Replicas
• Encryption
• Multi-AZ
• None

Our RDS database struggles to keep up with the demand of the users from our website. Our million users mostly read news, and we don't post news very often. Which solution is NOT adapted to this problem?

• An Elastic Cache
• RDS Read Replicas
• RDS Multi AZ
• None

Which RDS Classic (not Aurora) feature does not require us to change our SQL connection string?

• Read Replicas
• Multi AZ

You would like to ensure you have a database available in another region if a disaster happens to your main region. Which database do you recommend?

• Aurora Global Database
• RDS Read Replicas
• RDS Multi AZ
• Aurora Read Replicas

You want to delete all the data in your table. What's the best way of doing it?

• Use a scan and run BatchWriteItem
• Use a Scan and run DeleteItem
• DeleteTable and then CreateTable
• None

Which feature of DynamoDB allows it to achieve Optimistic Locking?

• Conditional Writes
• Conditional Reads
• Locked Reads
• Locked Writes

You want to use Query equal operation on a non key attribute. How can you do it?

• Query support non key attributes
• Create a local secondary index
• Create a global secondary index
• None

You would like to have query for a non key attribute for the >= predicate while keeping the same partition key. You should ?

• Use Query as is
• Create a Global Secondary Index
• Create a Local Secondary index
• None

Which is NOT supported by AWS Lambda?

• Golang
• Python
• Docker
• Node.js
• Java

You have a Lambda function that will process data for 25 minutes before successfully completing it. The code is working fine on your machine, but in AWS Lambda it just fails with a "timeout" issue after 3 seconds. What should you do?

• Set the timeout to 30 minutes
• Set the memory to 3 GB
• The maxium timeout is 15 minutes so run your code somewhere else.
• Set the the timeout to 15 minutes