AWS CDA Developer Associate Exam
Questions & Answers
1.You are writing to a DynamoDB table and receive the following
exception: "Provisioned Through put Exceeded Exception". though
according to your Cloud watch metrics for the table, you are not exceeding
your provisioned throughput.
What could be an explanation for this?
A. You haven't provisioned enough DynamoDB storage instances
B. You're exceeding your capacity on a particular Range Key
C. You're exceeding your capacity on a particular Hash Key
D.You're exceeding your capacity on a particular Sort Key
E. You haven't configured DynamoDB Auto Scaling triggers:
You are writing to a DynamoDB table and receive the following
exception: "Provisioned Through put Exceeded Exception". though
according to your Cloud watch metrics for the table, you are not
exceeding your provisioned throughput.
What could be an explanation for this?
ANS *C. You're exceeding your capacity on a particular Hash Key*
2.How can you secure data at rest on an EBS volume?
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,A. Attach the volume to an instance using EC2's SSL interface.
B. Write the data randomly instead of sequentially.
C. Use an encrypted file system on top of the BBS volume.
D. Encrypt the volume using the S3 server-side encryption service.
E. Create an IAM policy that restricts read and write access to the volume.:
How can you secure data at rest on an EBS volume?
ANS *D. Encrypt the volume using the S3 server-side encryption service
3.Which of the following statements about SQS is true?
A. Messages will be delivered exactly once and messages will be delivered
in First in, First out order
B. Messages will be delivered exactly once and message delivery order
is indeterminate
C. Messages will be delivered one or more times and messages will be
delivered in First in, First out order
D. Messages will be delivered one or more times and message delivery
order is indeterminate:
Which of the following statements about SQS is true?
ANS *D. Messages will be delivered one or more times and message
delivery order is indeterminate *
4.What is one key difference between an Amazon EBS-backed and an
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,in- stance-store backed instance?
A. Virtual Private Cloud requires EBS backed instances
B. Amazon EBS-backed instances can be stopped and restarted C.
Auto scaling requires using Amazon EBS-backed instances.
D. Instance-store backed instances can be stopped and restarted.:
What is one key difference between an Amazon EBS-backed and an
instance-store backed instance?
ANS *B. Amazon EBS-backed instances can be stopped and restarted *
5.You run an ad-supported photo sharing website using S3 to serve photos
to visitors of your site. At some point you find out that other sites have
been linking to the photos on your site, causing loss to your business.
What is an effective method to mitigate this?
A. Store photos on an EBS volume of the web server
B. Remove public read access and use signed URLs with expiry dates. C.
Use CloudFront distributions for static content.
C. Block the IPs of the offending websites in Security Groups.:
You run an
ad-supported photo sharing website using S3 to serve photos to visitors
of your site. At some point you find out that other sites have been
linking to the photos on your site, causing loss to your business.
What is an effective method to mitigate this?
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45
, ANS *B. Remove public read access and use signed URLs with expiry
dates.*
6.Which statements about DynamoDB are true? Choose 2 answers
A. DynamoDB uses a pessimistic locking model
B. DynamoDB uses optimistic concurrency control
C. DynamoDB uses conditional writes for consistency
D. DynamoDB restricts item access during reads E. DynamoDB restricts
item access during writes:
Which statements about DynamoDB are true?
ANS *B. DynamoDB uses optimistic concurrency control*
ANS *C. DynamoDB uses conditional writes for consistency*
7.An Amazon S3 bucket, "myawsbucket" is configured with website
hosting in Tokyo region, what is the region-specific website endpoint?
A. www.myawsbucket.ap-northeast-1.amazonaws.com
B. myawsbucket.s3-website-ap-northeast-1.amazonawscom C. myawsbuck-
et.amazonaws.com
C. myawsbucket.tokyo.amazonaws.com:
An Amazon S3 bucket, "myawsbucket" is configured with website
hosting in Tokyo region, what is the region-specific website endpoint?
ANS *B. myawsbucket.s3-website-ap-northeast-1.amazonawscom *
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Questions & Answers
1.You are writing to a DynamoDB table and receive the following
exception: "Provisioned Through put Exceeded Exception". though
according to your Cloud watch metrics for the table, you are not exceeding
your provisioned throughput.
What could be an explanation for this?
A. You haven't provisioned enough DynamoDB storage instances
B. You're exceeding your capacity on a particular Range Key
C. You're exceeding your capacity on a particular Hash Key
D.You're exceeding your capacity on a particular Sort Key
E. You haven't configured DynamoDB Auto Scaling triggers:
You are writing to a DynamoDB table and receive the following
exception: "Provisioned Through put Exceeded Exception". though
according to your Cloud watch metrics for the table, you are not
exceeding your provisioned throughput.
What could be an explanation for this?
ANS *C. You're exceeding your capacity on a particular Hash Key*
2.How can you secure data at rest on an EBS volume?
1/
45
,A. Attach the volume to an instance using EC2's SSL interface.
B. Write the data randomly instead of sequentially.
C. Use an encrypted file system on top of the BBS volume.
D. Encrypt the volume using the S3 server-side encryption service.
E. Create an IAM policy that restricts read and write access to the volume.:
How can you secure data at rest on an EBS volume?
ANS *D. Encrypt the volume using the S3 server-side encryption service
3.Which of the following statements about SQS is true?
A. Messages will be delivered exactly once and messages will be delivered
in First in, First out order
B. Messages will be delivered exactly once and message delivery order
is indeterminate
C. Messages will be delivered one or more times and messages will be
delivered in First in, First out order
D. Messages will be delivered one or more times and message delivery
order is indeterminate:
Which of the following statements about SQS is true?
ANS *D. Messages will be delivered one or more times and message
delivery order is indeterminate *
4.What is one key difference between an Amazon EBS-backed and an
2/
45
,in- stance-store backed instance?
A. Virtual Private Cloud requires EBS backed instances
B. Amazon EBS-backed instances can be stopped and restarted C.
Auto scaling requires using Amazon EBS-backed instances.
D. Instance-store backed instances can be stopped and restarted.:
What is one key difference between an Amazon EBS-backed and an
instance-store backed instance?
ANS *B. Amazon EBS-backed instances can be stopped and restarted *
5.You run an ad-supported photo sharing website using S3 to serve photos
to visitors of your site. At some point you find out that other sites have
been linking to the photos on your site, causing loss to your business.
What is an effective method to mitigate this?
A. Store photos on an EBS volume of the web server
B. Remove public read access and use signed URLs with expiry dates. C.
Use CloudFront distributions for static content.
C. Block the IPs of the offending websites in Security Groups.:
You run an
ad-supported photo sharing website using S3 to serve photos to visitors
of your site. At some point you find out that other sites have been
linking to the photos on your site, causing loss to your business.
What is an effective method to mitigate this?
3/
45
, ANS *B. Remove public read access and use signed URLs with expiry
dates.*
6.Which statements about DynamoDB are true? Choose 2 answers
A. DynamoDB uses a pessimistic locking model
B. DynamoDB uses optimistic concurrency control
C. DynamoDB uses conditional writes for consistency
D. DynamoDB restricts item access during reads E. DynamoDB restricts
item access during writes:
Which statements about DynamoDB are true?
ANS *B. DynamoDB uses optimistic concurrency control*
ANS *C. DynamoDB uses conditional writes for consistency*
7.An Amazon S3 bucket, "myawsbucket" is configured with website
hosting in Tokyo region, what is the region-specific website endpoint?
A. www.myawsbucket.ap-northeast-1.amazonaws.com
B. myawsbucket.s3-website-ap-northeast-1.amazonawscom C. myawsbuck-
et.amazonaws.com
C. myawsbucket.tokyo.amazonaws.com:
An Amazon S3 bucket, "myawsbucket" is configured with website
hosting in Tokyo region, what is the region-specific website endpoint?
ANS *B. myawsbucket.s3-website-ap-northeast-1.amazonawscom *
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