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Free Access Amazon Web Services DBS-C01 New Release

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Total 324 questions

AWS Certified Database - Specialty Questions and Answers

Question 13

A company has a web-based survey application that uses Amazon DynamoDB. During peak usage, when

survey responses are being collected, a Database Specialist sees the ProvisionedThroughputExceededException error.

What can the Database Specialist do to resolve this error? (Choose two.)

Options:

A.

Change the table to use Amazon DynamoDB Streams

B.

Purchase DynamoDB reserved capacity in the affected Region

C.

Increase the write capacity units for the specific table

D.

Change the table capacity mode to on-demand

E.

Change the table type to throughput optimized

Question 14

A company has a heterogeneous six-node production Amazon Aurora DB cluster that handles online transaction processing (OLTP) for the core business and OLAP reports for the human resources department. To match compute resources to the use case, the company has decided to have the reporting workload for the human resources department be directed to two small nodes in the Aurora DB cluster, while every other workload goes to four large nodes in the same DB cluster.

Which option would ensure that the correct nodes are always available for the appropriate workload while meeting these requirements?

Options:

A.

Use the writer endpoint for OLTP and the reader endpoint for the OLAP reporting workload.

B.

Use automatic scaling for the Aurora Replica to have the appropriate number of replicas for the desired workload.

C.

Create additional readers to cater to the different scenarios.

D.

Use custom endpoints to satisfy the different workloads.

Question 15

A company is about to launch a new product, and test databases must be re-created from production data. The company runs its production databases on an Amazon Aurora MySQL DB cluster. A Database Specialist needs to deploy a solution to create these test databases as quickly as possible with the least amount of administrative effort.

What should the Database Specialist do to meet these requirements?

Options:

A.

Restore a snapshot from the production cluster into test clusters

B.

Create logical dumps of the production cluster and restore them into new test clusters

C.

Use database cloning to create clones of the production cluster

D.

Add an additional read replica to the production cluster and use that node for testing

Question 16

A gaming company has recently acquired a successful iOS game, which is particularly popular during the holiday season. The company has decided to add a leaderboard to the game that uses Amazon DynamoDB. The application load is expected to ramp up over the holiday season.

Which solution will meet these requirements at the lowest cost?

Options:

A.

DynamoDB Streams

B.

DynamoDB with DynamoDB Accelerator

C.

DynamoDB with on-demand capacity mode

D.

DynamoDB with provisioned capacity mode with Auto Scaling

Page: 4 / 24
Total 324 questions