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Amazon DVA-C01 Practice Test - Questions Answers, Page 2

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Question 11

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Which statements about DynamoDB are true? Choose 2 answers

DynamoDB uses a pessimistic locking model
DynamoDB uses a pessimistic locking model
DynamoDB uses optimistic concurrency control
DynamoDB uses optimistic concurrency control
DynamoDB uses conditional writes for consistency
DynamoDB uses conditional writes for consistency
DynamoDB restricts item access during reads
DynamoDB restricts item access during reads
DynamoDB restricts item access during writes
DynamoDB restricts item access during writes
Suggested answer: B, C
asked 16/09/2024
Peter Shillingford
34 questions

Question 12

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You are providing AWS consulting services for a company developing a new mobile application that will be leveraging Amazon SNS Mobile Push for push notifications. In order to send direct notification messages to individual devices each device registration identifier or token needs to be registered with SNS; however the developers are not sure of the best way to do this. You advise them to:

Bulk upload the device tokens contained in a CSV file via the AWS Management Console.
Bulk upload the device tokens contained in a CSV file via the AWS Management Console.
Let the push notification service (e.g. Amazon Device Messaging) handle the registration.
Let the push notification service (e.g. Amazon Device Messaging) handle the registration.
Implement a token vending service to handle the registration.
Implement a token vending service to handle the registration.
Call the CreatePlatformEndPoint API function to register multiple device tokens.
Call the CreatePlatformEndPoint API function to register multiple device tokens.
Suggested answer: D

Explanation:

https://docs.aws.amazon.com/sns/latest/dg/mobile-push-send-devicetoken.html

asked 16/09/2024
Ashad Conley
38 questions

Question 13

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You are writing to a DynamoDB table and receive the following exception:" ProvisionedThroughputExceededException". though according to your Cloudwatch metrics for the table, you are not exceeding your provisioned throughput. What could be an explanation for this?

You haven't provisioned enough DynamoDB storage instances
You haven't provisioned enough DynamoDB storage instances
You're exceeding your capacity on a particular Range Key
You're exceeding your capacity on a particular Range Key
You're exceeding your capacity on a particular Hash Key
You're exceeding your capacity on a particular Hash Key
You're exceeding your capacity on a particular Sort Key
You're exceeding your capacity on a particular Sort Key
Suggested answer: C

Explanation:

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

Answer: C

Explanation:

https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/HowItWorks.CoreComponents.html#HowItWorks.CoreComponents.PrimaryKey https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/HowItWorks.Partitions.html

https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/bp-partition-keydesign.html

asked 16/09/2024
Marcos Davila
32 questions

Question 14

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Which of the following services are included at no additional cost with the use of the AWS platform? Choose 2 answers

Simple Storage Service
Simple Storage Service
Elastic Compute Cloud
Elastic Compute Cloud
Auto Scaling
Auto Scaling
Elastic Load Balancing
Elastic Load Balancing
CloudFormation
CloudFormation
Simple Workflow Service
Simple Workflow Service
Suggested answer: C, E
asked 16/09/2024
Timothy Smith
38 questions

Question 15

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Your application is trying to upload a 6 GB file to Simple Storage Service and receive a “Your proposed upload exceeds the maximum allowed object size." error message. What is a possible solution for this?

None, Simple Storage Service objects are limited to 5 GB
None, Simple Storage Service objects are limited to 5 GB
Use the multi-part upload API for this object
Use the multi-part upload API for this object
Use the large object upload API for this object
Use the large object upload API for this object
Contact support to increase your object size limit
Contact support to increase your object size limit
Upload to a different region
Upload to a different region
Suggested answer: B

Explanation:

https://docs.aws.amazon.com/AmazonS3/latest/dev/mpuoverview.html

asked 16/09/2024
Russell Bartsch
39 questions

Question 16

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What AWS products and features can be deployed by Elastic Beanstalk? Choose 3 answers

Auto scaling groups
Auto scaling groups
Route 53 hosted zones
Route 53 hosted zones
Elastic Load Balancers
Elastic Load Balancers
RDS Instances
RDS Instances
Elastic IP addresses
Elastic IP addresses
SQS Queues
SQS Queues
Suggested answer: A, C, D

Explanation:

https://aws.amazon.com/elasticbeanstalk/faqs/Q: What are the Cloud resources powering my AWS Elastic Beanstalk application? AWS ElasticBeanstalk uses proven AWS features and services, such as Amazon EC2, Amazon RDS, Elastic LoadBalancing, Auto Scaling, Amazon S3, and Amazon SNS, to create an environment that runs your application. The current version of AWS Elastic Beanstalk uses the Amazon Linux AMI or the Windows Server 2012 R2 AMI.

asked 16/09/2024
Pouyan Bani Shahabadi
32 questions

Question 17

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Games-R-Us is launching a new game app for mobile devices. Users will log into the game using their existing Facebook account and the game will record player data and scoring information directly to a DynamoDB table. What is the most secure approach for signing requests to the DynamoDB API?

Create an IAM user with access credentials that are distributed with the mobile app to sign the requests
Create an IAM user with access credentials that are distributed with the mobile app to sign the requests
Distribute the AWS root account access credentials with the mobile app to sign the requests
Distribute the AWS root account access credentials with the mobile app to sign the requests
Request temporary security credentials using web identity federation to sign the requests
Request temporary security credentials using web identity federation to sign the requests
Establish cross account access between the mobile app and the DynamoDB table to sign the requests
Establish cross account access between the mobile app and the DynamoDB table to sign the requests
Suggested answer: C
asked 16/09/2024
Deniz Cimen
28 questions

Question 18

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Which of the following programming languages have an officially supported AWS SDK? Choose 2 answers

Perl
Perl
PHP
PHP
Pascal
Pascal
Java
Java
SQL
SQL
Suggested answer: B, D
asked 16/09/2024
Joshua Muentes
46 questions

Question 19

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A meteorological system monitors 600 temperature gauges, obtaining temperature samples every minute and saving each sample to a DynamoDB table. Each sample involves writing 1K of data and the writes are evenly distributed over time.

How much write throughput is required for the target table?

1 write capacity unit
1 write capacity unit
10 write capacity units
10 write capacity units
60 write capacity units
60 write capacity units
600 write capacity units
600 write capacity units
3600 write capacity units
3600 write capacity units
Suggested answer: B

Explanation:

https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/HowItWorks.ReadWriteCapacityMode.html

asked 16/09/2024
Ray Hato
38 questions

Question 20

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In DynamoDB, what type of HTTP response codes indicate that a problem was found with the client request sent to the service?

5xx HTTP response code
5xx HTTP response code
200 HTTP response code
200 HTTP response code
306 HTTP response code
306 HTTP response code
4xx HTTP response code
4xx HTTP response code
Suggested answer: D

Explanation:

https://docs.aws.amazon.com/AmazonS3/latest/API/ErrorResponses.html#ErrorCodeList

asked 16/09/2024
Bianca Duizer
48 questions
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