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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 4, 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 using Amazon Aurora PostgreSQL for the backend of its application. The system users are complaining that the responses are slow. A database specialist has determined that the queries to Aurora take longer during peak times. With the Amazon RDS Performance Insights dashboard, the load in the chart for average active sessions is often above the line that denotes maximum CPU usage and the wait state shows that most wait events are IO:XactSync.

What should the company do to resolve these performance issues?

Options:

A.

Add an Aurora Replica to scale the read traffic.

B.

Scale up the DB instance class.

C.

Modify applications to commit transactions in batches.

D.

Modify applications to avoid conflicts by taking locks.

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Question 2

A business is transferring its on-premises database workloads to the Amazon Web Services (AWS) Cloud. A database professional migrating an Oracle database with a huge table to Amazon RDS has picked AWS DMS. The database professional observes that AWS DMS is consuming considerable time migrating the data.

Which activities would increase the pace of data migration? (Select three.)

Options:

A.

Create multiple AWS DMS tasks to migrate the large table.

B.

Configure the AWS DMS replication instance with Multi-AZ.

C.

Increase the capacity of the AWS DMS replication server.

D.

Establish an AWS Direct Connect connection between the on-premises data center and AWS.

E.

Enable an Amazon RDS Multi-AZ configuration.

F.

Enable full large binary object (LOB) mode to migrate all LOB data for all large tables.

Question 3

A company has applications running on Amazon EC2 instances in a private subnet with no internet connectivity. The company deployed a new application that uses Amazon DynamoDB, but the application cannot connect to the DynamoDB tables. A developer already checked that all permissions are set correctly.

What should a database specialist do to resolve this issue while minimizing access to external resources?

Options:

A.

Add a route to an internet gateway in the subnet’s route table.

B.

Add a route to a NAT gateway in the subnet’s route table.

C.

Assign a new security group to the EC2 instances with an outbound rule to ports 80 and 443.

D.

Create a VPC endpoint for DynamoDB and add a route to the endpoint in the subnet’s route table.

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