DBS-C01 Management and Operations Practice Question
This DBS-C01 practice question tests your understanding of management and operations. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 company uses Amazon ElastiCache for Redis as a caching layer for its e-commerce application. Recently, the cache hit ratio has dropped significantly, causing increased database load. The operations team needs to identify which cache keys are being evicted. What should they do?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Monitor the 'Evictions' metric in Amazon CloudWatch for the ElastiCache cluster.
Option B is correct because the 'evictions' metric in CloudWatch shows the number of evicted keys, and enabling the 'Evicted' statistic can help monitor evictions. Option A is incorrect because the INFO command shows current evictions but not historical trends. Option C is incorrect because ElastiCache events do not include eviction details. Option D is incorrect because slow-log shows slow commands, not evictions.
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.
✓
Monitor the 'Evictions' metric in Amazon CloudWatch for the ElastiCache cluster.
Why this is correct
CloudWatch provides the evictions metric which tracks the number of evicted keys.
Related concept
Read the scenario before looking for a memorised answer.
✗
Check the ElastiCache event history for eviction events.
Why it's wrong here
ElastiCache events do not include key-level eviction details.
✗
Enable the 'INFO' command output to be logged to CloudWatch Logs.
Why it's wrong here
INFO output is not automatically logged; you would need to poll it.
✗
Enable the Redis slow-log to capture eviction commands.
Why it's wrong here
Slow-log captures commands that exceed a latency threshold, not evictions.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Trap categories for this question
Command / output trap
INFO output is not automatically logged; you would need to poll it.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Identify which DBS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Management and Operations — This question tests Management and Operations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Monitor the 'Evictions' metric in Amazon CloudWatch for the ElastiCache cluster. — Option B is correct because the 'evictions' metric in CloudWatch shows the number of evicted keys, and enabling the 'Evicted' statistic can help monitor evictions. Option A is incorrect because the INFO command shows current evictions but not historical trends. Option C is incorrect because ElastiCache events do not include eviction details. Option D is incorrect because slow-log shows slow commands, not evictions.
What should I do if I get this DBS-C01 question wrong?
Identify which DBS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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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