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Read each scenario carefully and choose your answer before revealing the explanation. Then check why your choice was right or wrong. Repeat until the reasoning feels automatic.

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DS0-001 · topic practice

Data Systems Management practice questions

Practise CompTIA DataSys+ (DS0-001) (DS0-001) Data Systems Management practice questions — original exam-style scenarios with answer choices, explanations, and analysis of common mistakes.

Courseiva uses original exam-style practice questions designed for learning and revision. The goal is to understand the concepts, recognise exam patterns, and improve through explanations — not memorise copied exam dumps.

Reviewed byJohnson Ajibi· MSc IT Security

20 questionsDomain: Data Systems Management

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What the exam tests

What to know about Data Systems Management

Data Systems Management questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

Watch out for

Common Data Systems Management exam traps

▸Answering from memory before reading the full scenario.
▸Missing a constraint such as cost, availability, security, scope or command context.
▸Choosing a broad answer when the question asks for the most specific fix.
▸Ignoring why the wrong options are tempting.

Practice set

Data Systems Management questions

20 questions · select your answer, then reveal the explanation

Question 1mediummultiple choice

Read the full Data Systems Management explanation →

You are auditing database logins to ensure compliance. You need to identify users who have not logged in for over 90 days. Which system view or dynamic management function is most appropriate?

Trap 1: sys.dm_os_memory_nodes

This is for monitoring memory, not user activity.

Trap 2: sys.dm_exec_requests

This shows currently executing requests, not historical login dates.

Trap 3: sys.database_principals

This shows existing accounts but does not track login history.

Study all Data Systems Management common traps →

A
sys.dm_os_memory_nodes
Why wrong: This is for monitoring memory, not user activity.
B
SQL Server Audit logs
Audit logs are the intended feature for tracking and auditing login activities.
C
sys.dm_exec_requests
Why wrong: This shows currently executing requests, not historical login dates.
D
sys.database_principals
Why wrong: This shows existing accounts but does not track login history.

Data Systems Management practice questions

What to know about Data Systems Management

Common Data Systems Management exam traps

Data Systems Management questions

You are auditing database logins to ensure compliance. You need to identify users who have not logged in for over 90 days. Which system view or dynamic management function is most appropriate?

A DBA is configuring an Always On Availability Group in SQL Server. To ensure that the secondary node can be used for read-only reporting tasks, which setting must be correctly configured in the Availability Group replica settings?

A database administrator wants to move a heavily accessed table to a different physical storage tier to improve performance. In SQL Server, what is the best way to move the table data while retaining the clustered index?

A database administrator needs to ensure that a SQL Server transaction log does not grow uncontrollably during a high-volume ETL process. Which recovery model should be configured to allow for periodic log truncation while maintaining a balance between performance and recovery needs?

In PostgreSQL, you need to monitor the performance of your long-running queries. Which view is the most appropriate to inspect the query execution statistics for all active sessions?

A DBA needs to implement transparent data encryption (TDE) for an entire database. Which component is required to protect the Database Encryption Key (DEK) in a SQL Server environment?

When planning a backup strategy, a company requires that the Recovery Point Objective (RPO) be set to 15 minutes. Which backup schedule meets this requirement?

In an Oracle Database environment, a DBA identifies that specific queries are performing poorly due to fragmented tables. Which command should the DBA execute to reclaim unused space and defragment the table without dropping the table structure?

A MySQL DBA needs to diagnose a deadlock issue. Which tool or command provides the most detailed information regarding the specific InnoDB internal locks held by transactions at the time of a deadlock?

During a disaster recovery test, the DBA realizes the database restoration takes too long. Which action is the most effective way to improve the restore speed of a large database?

You are managing a MariaDB cluster. You notice that nodes are falling out of sync. Which status variable should you check to verify the replication lag between the primary and the replica?

A DBA is tuning a query that performs a large join. The execution plan shows a 'Hash Match' operation. What can the DBA do to potentially change the join algorithm if the Hash Match is causing high memory pressure?

Which database backup strategy is recommended to ensure that you can restore a database to a specific point in time?

A DBA needs to automate the maintenance of database statistics in SQL Server. Which tool is the standard approach to manage this across all user databases?

A database is experiencing high I/O wait times on the log drive. What is the most effective configuration change to alleviate this bottleneck?

A database administrator needs to perform a schema-only export of a database. Which tool parameter is typically used for this purpose in mysqldump?

A database server is consistently hitting high CPU usage. You suspect an unoptimized query is causing a full table scan. Which tool should you use to capture the execution plan of currently running queries?

A database is configured with a high-availability cluster. During a planned maintenance window, you need to fail over to the secondary node manually. Which command or action is used in a Windows Server Failover Cluster (WSFC) environment?

You are managing a database that uses transparent data encryption. If you need to back up the database, what additional component must be included to ensure the backup can be restored on a different server?

A database administrator notices that the transaction log file is nearly full. Which operation will shrink the file to free up space?

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Exam traps to avoid