DS0-001 Data Systems Management Practice Question
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?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Seconds_Behind_Master
Seconds_Behind_Master is the standard variable to check the replication delay in a traditional MariaDB replication setup.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Innodb_buffer_pool_reads
Why it's wrong here
This indicates cache misses, not replication state.
- ✓
Seconds_Behind_Master
Why this is correct
This indicates the number of seconds the replica is lagging behind the primary.
- ✗
Slave_IO_Running
Why it's wrong here
This shows if the thread is running, but not how far behind it is.
- ✗
Threads_connected
Why it's wrong here
This indicates current connections, not lag.
About these practice questions
This DS0-001 question is part of Courseiva's 216-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official CompTIA exam blueprint
This DS0-001 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DS0-001 exam.