RDS Exam Questions

You run a web application with the following components Elastic Load Balancer (ELB),

3 Web/Application servers, 1 MySQL RDS database with read replicas,

and Amazon Simple Storage Service (Amazon S3) for static content.

Average response time for users is increasing slowly.

What three CloudWatch RDS metrics will allow you to identify if the database is the

bottleneck? Choose 3 answers

• The number of outstanding IOs waiting to access the disk

• The amount of write latency

• The amount of disk space occupied by binary logs on the master.

• The amount of time a Read Replica DB Instance lags behind the source DB Instance

• The average number of disk I/O operations per second.

It is advised that you watch the Amazon CloudWatch “_____” metric (available via the AWS Management Console or Amazon Cloud Watch APIs) carefully and recreate the Read Replica should it fall behind due to replication errors.

• Write Lag

• Read Replica

• Replica Lag

• Single Replica

Can I encrypt connections between my application and my DB Instance using SSL?

• No

• Yes

• Only in VPC

• Only in certain regions

Which of these configuration or deployment practices is a security risk for RDS?

• Storing SQL function code in plaintext

• Non-Multi-AZ RDS instance

• Having RDS and EC2 instances exist in the same subnet

• RDS in a public subnet

If I modify a DB Instance or the DB parameter group associated with the instance, should I reboot the instance for the changes to take effect?

• No

• Yes

What is the minimum charge for the data transferred between Amazon RDS and Amazon EC2 Instances in the same Availability Zone?

• USD 0.10 per GB

• No charge. It is free.

• USD 0.02 per GB

• USD 0.01 per GB

Does Amazon RDS allow direct host access via Telnet, Secure Shell (SSH), or Windows Remote Desktop Connection?

• Yes

• No

• Depends on if it is in VPC or not

A user plans to use RDS as a managed DB platform. Which of the below mentioned features is not supported by RDS?

• Automated backup

• Automated scaling to manage a higher load

• Automated failure detection and recovery

• Automated software patching

Amazon RDS DB snapshots and automated backups are stored in

• Amazon S3

• Amazon EBS Volume

• Amazon RDS

• Amazon EMR

Disabling automated backups ______ disable the point-in-time recovery.

• if configured to can

• will never

• will