Review Mode Set 4 – AWS Certified Solutions Architect Associate

Question 1

What is the best method for capturing the current state (all data, configs) of an RDS database, to be later restored?

Answer 1

take a snapshot of the database. Restore the database from the snapshot when necessary.

Question 2

Which situation is SR-IOV most suitable for?

Answer 2

Enhanced Networking on Linux.

Question 3

What type of instance is best for high IOPS and sequential read/write access?

Answer 3

Storage optimized instances with instance store volume.

Question 4

Can EventBridge directly check for IAM events (ex.,age of IAM keys)?

Answer 4

No EventBridge cannot check compliance related issues directly.

Question 5

What service and feature of the service allows you to run SQL queries against exabytes of unstructured data in S3?

Answer 5

Amazon Redshift Spectrum.

Question 6

What disc config (array) is most high performance ?

Answer 6

RAID 0

Question 7

What can be done to protect a Redshift cluster from the event of an AWS region outage?

Answer 7

Enable Cross-Region Snapshots Copy in your Amazon Redshift Cluster.

Question 8

What DNS and IPs are assigned to a new EC2 launched into a NON-default VPC?

Answer 8

AWS provides the instance with a private DNS hostname only.

Question 9

What are the DNS settings for EC2s in a NON-default VPC?

Answer 9

DNS resolution and DNS hostnames attributes are disabled in a newly created VPC.

Question 10

What are two ways to lower data transfer costs and disable anonymous access in an S3 bucket?

Answer 10

Enable the Requester Pays feature on the Amazon S3 bucket

Question 11

What is a good way to process application log files generated from servers for a report?

Answer 11

S3 to store the files, Amazon EMR for processing the log files

Question 12

What is the most available and resilient RDS setup?

Answer 12

Multi-AZ deployment

Question 13

If there is an existing listener on HTTP, can/should you create a new HTTP listener, in order to redirect HTTP to HTTPS?

Answer 13

No.

Once there is a listener already setup, it is not possible to create a new one because there is already an existing listener assigned to that port.

Question 14

what is the best service to check for compliance of AWS resources?

Answer 14

AWS Config

Question 15

Does altering either retention period or visibility timeout in SQS ensure that messages/tasks are NOT duplicated?

Answer 15

NO

Question 16

Does AWS step functions ensure that no task is duplicated?

Answer 16

Yes AWS step functions guarantee no task duplication.

Question 17

Does Cloudhub work to support VPCs?

Answer 17

No CloudHub works with VPNs, not VPC connections