Wiley Practice Test 1

Question 1

HIPAA Compliant AD

Answer 1

AWS Managed AD

Question 2

What is a service map in x-ray?

Answer 2

A map of services used by your application

Question 3

What is faster in lambda: interpreted or compiled?

Answer 3

interpreted b/c faster initial invocation times

Question 4

What is work around to declare and manage more resources in one location in CF?

Answer 4

nested stacks

Question 5

Command to allow you to create an event source for AWS Lambda?

Answer 5

sam local generate event

Question 6

Trace in x-ray

Answer 6

A set of data points corresponding to an end-to-end request from a client

Question 7

Traits of instance store volumes

Answer 7

1. data lost when underlying disk fails, instance stopped/terminated
2. high IOPS
3. Cost is included as part of instance’s usage cost (not determined by storage provisioned)

Question 8

Kinesis default data retention

Answer 8

7 days…can be modified via message retention period

Question 9

Scaling in/out EC2 AutoScaling and SNS emails can be precipitated by what?

Answer 9

Cloudwatch actions

can’t execute lambda!

Question 10

If an AWS CodeDeploy deployment fails, which of the following custom scripts actions will be executed on the instance?

Answer 10

Left as is

Question 11

Which AWS service can you use to monitor an AWS Lambda function performance?

Answer 11

Cloudwatch

Question 12

If you have an Amazon Elastic Compute Cloud (Amazon EC2) instance that has lost network connectivity because of an impaired physical host, which of the following options can be used to resolve the issue?

Answer 12

Stop and start the instance (this causes a respin on new hardware)

Question 13

Across which of the following does AWS recommend deploying multiple AWS CloudHSM applications to achieve the highest availability and durability of keys in your CloudHSM appliance?

Answer 13

AZs

Question 14

You have an application running on several on-premises servers that makes AWS Cloud API calls. To authenticate with AWS, the application currently uses an access key associated with an AWS Identity and Access Management (IAM) user. It is time to rotate the credentials. How can you rotate the credentials without interrupting the application?

Answer 14

Generate a second access key for the same user, and update the credentials on each server to the new access key. When all servers have been updated, revoke the original access key.

Question 15

You want to provide single sign on capabilities for your application. Which AWS service can assist with implementing this?

Answer 15

Cognito Identity Pools

Question 16

Does SNS work with SQS?

Answer 16

No

Question 17

What is dead letter queue in SQS?

Answer 17

quque of messages that were in queue the max number of times and not deleted because of possible consumer failure.

Also, this queue must be created and configured. Not default option

Question 18

Can you add/remove shards in Kinesis?

Answer 18

Yes. Also you can split/coalesce them.

Question 19

Can CF be part of CodePipeline?

Answer 19

Yes

Question 20

What metric to analyze to see if you are not provisioning enough IOPS?

Answer 20

VolumeQueueLength

Question 21

What is VisibilityTimeout parameter?

Answer 21

In SQS, determines how long message is invisible after a consumer receives it

Question 22

purpose of bucket policies

Answer 22

determine who has access to bucket

Question 23

S3 inventory

Answer 23

audits and reports on the replication and encryption status of s3 objects

Question 24

node limit for redis with elastic cache

Answer 24

20