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Amazon Web Services DBS-C01 Exam With Confidence Using Practice Dumps

Exam Code:
DBS-C01
Exam Name:
AWS Certified Database - Specialty
Certification:
AWS Certified Database
Vendor:
Amazon Web Services
Questions:
324
Last Updated:
Apr 11, 2025
Exam Status:
Stable
Amazon Web Services DBS-C01

DBS-C01: AWS Certified Database Exam 2025 Study Guide Pdf and Test Engine

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AWS Certified Database - Specialty Questions and Answers

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Question 1

A company’s ecommerce website uses Amazon DynamoDB for purchase orders. Each order is made up of a Customer ID and an Order ID. The DynamoDB table uses the Customer ID as the partition key and the Order ID as the sort key.

To meet a new requirement, the company also wants the ability to query the table by using a third attribute named Invoice ID. Queries using the Invoice ID must be strongly consistent. A database specialist must provide this capability with optimal performance and minimal overhead.

What should the database administrator do to meet these requirements?

Options:

A.

Add a global secondary index on Invoice ID to the existing table.

B.

Add a local secondary index on Invoice ID to the existing table.

C.

Recreate the table by using the latest snapshot while adding a local secondary index on Invoice ID.

D.

Use the partition key and a FilterExpression parameter with a filter on Invoice ID for all queries.

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Question 2

A finance company migrated its 3 ׀¢׀’ on-premises PostgreSQL database to an Amazon Aurora PostgreSQL DB cluster. During a review after the migration, a database specialist discovers that the database is not encrypted at rest. The database must be encrypted at rest as soon as possible to meet security requirements. The database specialist must enable encryption for the DB cluster with minimal downtime.

Which solution will meet these requirements?

Options:

A.

Modify the unencrypted DB cluster using the AWS Management Console. Enable encryption and choose to apply the change immediately.

B.

Take a snapshot of the unencrypted DB cluster and restore it to a new DB cluster with encryption enabled. Update any database connection strings to reference the new DB cluster endpoint, and then delete the unencrypted DB cluster.

C.

Create an encrypted Aurora Replica of the unencrypted DB cluster. Promote the Aurora Replica as the new master.

D.

Create a new DB cluster with encryption enabled and use the pg_dump and pg_restore utilities to load data to the new DB cluster. Update any database connection strings to reference the new DB cluster endpoint, and then delete the unencrypted DB cluster.

Question 3

A financial services company is using AWS Database Migration Service (AWS OMS) to migrate Its databases from on-premises to AWS. A database administrator is working on replicating a database to AWS from on-premises using full load and change data capture (CDC). During the CDC replication, the database administrator observed that the target latency was high and slowly increasing-

What could be the root causes for this high target latency? (Select TWO.)

Options:

A.

There was ongoing maintenance on the replication instance

B.

The source endpoint was changed by modifyng the task

C.

Loopback changes had affected the source and target instances-

D.

There was no primary key or index in the target database.

E.

There were resource bottlenecks in the replication instance

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