SNOW-CSA Database Administration and CMDB Practice Question
This SNOW-CSA practice question tests your understanding of database administration and cmdb. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A large enterprise has implemented ServiceNow CMDB with multiple discovery sources including Service Mapping, Cloud Management, and manual imports. Over the past six months, the CMDB has grown to over 2 million CI records, and users are reporting that CMDB queries and reports take a long time to load. The administrator checks the database and finds that the cmdb_ci table has over 1.5 million records, including many retired and historical CIs. The average query time for reports on active hardware CIs is 30 seconds. The instance is hosted on a standard mid-range node. The administrator has verified that no duplicate CIs exist and that all CI classes are properly configured. The instance's performance dashboard shows high database contention. Which action should the administrator take first to improve CMDB performance?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Run the 'CMDB - Data Archiving' scheduled job to move retired CIs older than 6 months to the archive table.
Option D is correct because the primary issue is high database contention caused by an excessive number of historical and retired CI records in the active cmdb_ci table. Running the 'CMDB - Data Archiving' scheduled job moves retired CIs older than 6 months to the archive table, reducing the active table size and query load. This directly addresses the root cause without requiring infrastructure changes or disabling critical discovery sources.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Request a ServiceNow upgrade to a higher performance tier.
Why it's wrong here
Upgrading the instance tier addresses symptoms but not the root cause of bloated data; it is not the first step.
✗
Create a new database view that combines cmdb_ci with other tables to improve report efficiency.
Why it's wrong here
Creating a view does not reduce data size and may not significantly improve performance.
✗
Disable all discovery sources except Service Mapping to reduce data inflow.
Why it's wrong here
Disabling sources reduces future data but does not address the existing large dataset.
✓
Run the 'CMDB - Data Archiving' scheduled job to move retired CIs older than 6 months to the archive table.
Why this is correct
Archiving reduces the active table size, directly improving query performance.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often jump to scaling the infrastructure (Option A) or modifying discovery (Option C) without recognizing that CMDB performance degradation is typically caused by data bloat in the active table, which is resolved by archiving rather than by hardware or process changes.
Detailed technical explanation
How to think about this question
The CMDB Data Archiving job uses the 'cmdb_archive_ci' table to store retired CIs, and the archiving process is governed by the 'cmdb_archive_retired_ci' scheduled job which respects the 'Retired date' field on CI records. Under the hood, archiving physically moves rows from cmdb_ci to cmdb_archive_ci, reducing table scan times and index contention. In real-world scenarios, enterprises with over 1 million CIs often see query times drop from 30+ seconds to under 2 seconds after archiving retired records older than 6 months.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the SNOW-CSA exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Database Administration and CMDB — This question tests Database Administration and CMDB — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Run the 'CMDB - Data Archiving' scheduled job to move retired CIs older than 6 months to the archive table. — Option D is correct because the primary issue is high database contention caused by an excessive number of historical and retired CI records in the active cmdb_ci table. Running the 'CMDB - Data Archiving' scheduled job moves retired CIs older than 6 months to the archive table, reducing the active table size and query load. This directly addresses the root cause without requiring infrastructure changes or disabling critical discovery sources.
What should I do if I get this SNOW-CSA question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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