DVA-C01 Amazon-Web-Services Exam Questions and Free Practice Test

Question 61

How long are the messages kept on an SQS queue by default?

A. If a message is not read, it is never deleted

B. 2 weeks

C. 1 day

D. 4 days

Correct Answer:D
The SQS message retention period is configurable and can be set anywhere from 1 minute to 2 weeks. The default is 4 days and once the message retention limit is reached your messages will be automatically deleted. The option for longer message retention provides greater filexibility to allow for longer intervals between message production and consumption.
Reference: https://aws.amazon.com/sqs/faqs/

Question 62

How do you configure SQS to support longer message retention?

A. Set the lVIessageRetentionPeriod attribute using the SetQueueAttributes method

B. Using a Lambda function

C. You can'

D. It is set to 14 days and cannot be changed

E. You need to request it from AWS

Correct Answer:A
To configure the message retention period, set the lVIessageRetentionPeriod attribute using the SetQueueAttributes method. This attribute is used to specify the number of seconds a message will be retained by SQS. Currently the default value for the message retention period is 4 days. Using the lVIessageRetentionPeriod attribute, the message retention period can be set anywhere from 60 seconds (1 minute), up to 1209600 seconds (14 days).
Reference: https://aws.amazon.com/sqs/faqs/

Question 63

A user wants to configure AutoScaIing which scales up when the CPU utilization is above 70% and scales down when the CPU utilization is below 30%. How can the user configure AutoScaIing for the above mentioned condition?

A. Use AutoScaIing with a schedule

B. Configure ELB to notify AutoScaIing on load increase or decrease

C. Use dynamic AutoScaIing with a policy

D. Use AutoScaIing by manually modifying the desired capacity during a condition

Correct Answer:C
The user can configure the AutoScaIing group to automatically scale up and then scale down based on the specified conditions. To configure this, the user must setup policies which will get triggered by the C|oudWatch alarms.
Reference:
http://docs.aws.amazon.com/AutoScaling/latest/DeveIoperGuide/as-scaIe-based-on-demand.html

Question 64

A user had defined an IAM policy similar to the one given below on a bucket:
{
"Version": "2012-10-17",
"Statement": [{
"Effect": "A||ow",
"PrincipaI": {
"AWS": "arn:aws:iam::12112112:user/test"
}!
"Action": [ "s3:GetBucketLocation", "s3:ListBucket", "s3:GetObject"
]!
"Resource": [ "arn:aws:s3:::examkiI|er"
}
}
What will this do?

A. It will result in an error saying invalid policy statement

B. It will create an IAM policy for the user test

C. Allows the user test of the AWS account ID 12112112 to perform GetBucketLocation, ListBucket and GetObject on the bucket examkiller

D. It will allow all the IAM users of the account ID 12112112 to perform GetBucketLocation, ListBucket and GetObject on bucket examkiller

Correct Answer:C
The IAM policy allows to test a user in the account 12112112 to perform: s3:GetBucketLocation
s3:ListBucket s3:GetObject
Amazon S3 permissions on the examkiller bucket.
Reference: http://docs.aws.amazon.com/AmazonS3/Iatest/dev/access-policy-language-overview.html

START DVA-C01 EXAM