Quick Answer
The answer is average server CPU utilization. This metric directly measures the proportion of computing capacity consumed over time, making it the most relevant indicator of IT resource utilization efficiency because it reveals whether processing power is being wasted through under-utilization or strained by over-provisioning. On the CISA exam, this question tests your understanding of operational efficiency metrics versus financial or capacity-planning metrics; a common trap is selecting “total cost of ownership” or “storage IOPS,” which measure cost or performance rather than utilization. Remember that CPU utilization is a real-time consumption gauge, not a static capacity number. A simple memory tip: think of CPU utilization as the “gas gauge” for your servers—it tells you how much fuel is actually being burned, not how big the tank is.
This CISA practice question tests your understanding of governance and management of it. 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.
An IT manager needs to ensure that the organization's IT resources are used efficiently. Which of the following is the BEST metric to measure IT resource utilization?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
System uptime percentage
Why wrong: Measures availability, not resource utilization.
Average server CPU utilization
Directly measures how efficiently computing resources are used.
Number of help desk tickets resolved per day
Why wrong: Measures support productivity, not resource utilization.
Percentage of projects completed on time
Why wrong: Measures project management efficiency.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Average server CPU utilization
Average server CPU utilization directly measures how much of the computing capacity is being consumed over time, making it the most relevant metric for assessing whether IT resources are being used efficiently. High or low CPU utilization can indicate over-provisioning, under-utilization, or potential performance bottlenecks, enabling the IT manager to optimize resource allocation.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
System uptime percentage
Why it's wrong here
Measures availability, not resource utilization.
Average server CPU utilization
Why this is correct
Directly measures how efficiently computing resources are used.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Number of help desk tickets resolved per day
Why it's wrong here
Measures support productivity, not resource utilization.
Percentage of projects completed on time
Why it's wrong here
Measures project management efficiency.
Common exam traps
The trap here is that candidates often confuse availability metrics (uptime) with utilization metrics, or they mistakenly equate operational outputs (tickets resolved, project completion) with resource efficiency, leading them to pick a superficially plausible but incorrect answer.
Detailed technical explanation
CPU utilization is typically collected via performance counters (e.g., Windows PerfMon, /proc/stat on Linux) and averaged over a sampling interval. In virtualized environments, the metric must be interpreted carefully because hypervisor-level CPU ready time or co-stop time can skew the apparent utilization, leading to false conclusions about resource efficiency. A real-world scenario is a virtualized server farm where average CPU utilization below 20% may indicate over-provisioning, prompting consolidation or rightsizing to reduce costs.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the CISA 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
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Governance and Management of IT — This question tests Governance and Management of IT — Read the scenario before looking for a memorised answer..
The correct answer is: Average server CPU utilization — Average server CPU utilization directly measures how much of the computing capacity is being consumed over time, making it the most relevant metric for assessing whether IT resources are being used efficiently. High or low CPU utilization can indicate over-provisioning, under-utilization, or potential performance bottlenecks, enabling the IT manager to optimize resource allocation.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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