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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:
Jul 7, 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 looking to move an on-premises IBM Db2 database running AIX on an IBM POWER7 server. Due to escalating support and maintenance costs, the company is exploring the option of moving the workload to an Amazon Aurora PostgreSQL DB cluster.

What is the quickest way for the company to gather data on the migration compatibility?

Options:

A.

Perform a logical dump from the Db2 database and restore it to an Aurora DB cluster. Identify the gaps and compatibility of the objects migrated by comparing row counts from source and target tables.

B.

Run AWS DMS from the Db2 database to an Aurora DB cluster. Identify the gaps and compatibility of the objects migrated by comparing the row counts from source and target tables.

C.

Run native PostgreSQL logical replication from the Db2 database to an Aurora DB cluster to evaluate the migration compatibility.

D.

Run the AWS Schema Conversion Tool (AWS SCT) from the Db2 database to an Aurora DB cluster. Create a migration assessment report to evaluate the migration compatibility.

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Question 2

A database specialist is responsible for an Amazon RDS for MySQL DB instance with one read replica. The DB instance and the read replica are assigned to the default parameter group. The database team currently runs test queries against a read replica. The database team wants to create additional tables in the read replica that will only be accessible from the read replica to benefit the tests.

Which should the database specialist do to allow the database team to create the test tables?

Options:

A.

Contact AWS Support to disable read-only mode on the read replica. Reboot the read replica. Connect to the read replica and create the tables.

B.

Change the read_only parameter to false (read_only=0) in the default parameter group of the read replica. Perform a reboot without failover. Connect to the read replica and create the tables using the local_only MySQL option.

C.

Change the read_only parameter to false (read_only=0) in the default parameter group. Reboot the read replica. Connect to the read replica and create the tables.

D.

Create a new DB parameter group. Change the read_only parameter to false (read_only=0). Associate the read replica with the new group. Reboot the read replica. Connect to the read replica and create the tables.

Question 3

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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