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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 18, 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 is concerned about the cost of a large-scale, transactional application using Amazon DynamoDB that only needs to store data for 2 days before it is deleted. In looking at the tables, a Database Specialist notices that much of the data is months old, and goes back to when the application was first deployed.

What can the Database Specialist do to reduce the overall cost?

Options:

A.

Create a new attribute in each table to track the expiration time and create an AWS Glue transformation to delete entries more than 2 days old.

B.

Create a new attribute in each table to track the expiration time and enable DynamoDB Streams on each table.

C.

Create a new attribute in each table to track the expiration time and enable time to live (TTL) on each table.

D.

Create an Amazon CloudWatch Events event to export the data to Amazon S3 daily using AWS Data Pipeline and then truncate the Amazon DynamoDB table.

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Question 2

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

Question 3

An ecommerce company is running AWS Database Migration Service (AWS DMS) to replicate an on-premises Microsoft SQL Server database to Amazon RDS for SQL Server. The company has set up an AWS Direct Connect connection from its on-premises data center to AWS. During the migration, the company's security team receives an alarm that is related to the migration. The security team mandates that the DMS replication instance must not be accessible from public IP addresses.

What should a database specialist do to meet this requirement?

Options:

A.

Set up a VPN connection to encrypt the traffic over the Direct Connect connection.

B.

Modify the DMS replication instance by disabling the publicly accessible option.

C.

Delete the DMS replication instance. Recreate the DMS replication instance with the publicly accessible option disabled.

D.

Create a new replication VPC subnet group with private subnets. Modify the DMS replication instance by selecting the newly created VPC subnet group.

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