Question 394 of 499
TroubleshootingmediumMultiple SelectObjective-mapped

Quick Answer

The answer is to identify the process consuming the most CPU using the OS performance monitoring tools and to review the load balancer health check and traffic distribution settings. These two steps are correct because high CPU on a cloud web server often stems from either a runaway application process inside the VM or an external load-balancing misconfiguration that funnels excessive traffic to a single instance. By first checking the OS-level tools like top or Task Manager, you isolate whether the issue is process-specific, while simultaneously reviewing the load balancer rules rules out uneven traffic distribution or failed health checks that could overwhelm the VM. On the CompTIA Cloud+ CV0-004 exam, this tests your ability to prioritize layered diagnostics—starting with the VM’s internal state and the cloud platform’s traffic management—before diving into deeper troubleshooting. A common trap is jumping straight to scaling the VM without verifying whether a single process or a sticky-session imbalance is the root cause. Memory tip: “Process first, then proxy”—always check the OS process list before blaming the load balancer.

CV0-004 Troubleshooting Practice Question

This CV0-004 practice question tests your understanding of troubleshooting. 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 cloud administrator is troubleshooting a virtual machine that is experiencing high CPU utilization during peak hours. The VM runs a web application and is hosted on a public cloud platform. Which TWO steps should the administrator take first to diagnose the issue?

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.

Question 1mediummulti select
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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

Review the load balancer health check and traffic distribution settings for the backend pool.

Option C is correct because reviewing the load balancer health check and traffic distribution settings helps determine if the high CPU utilization is caused by uneven traffic distribution or unhealthy backend instances. If the load balancer is sending excessive traffic to a single VM due to misconfigured health checks or sticky sessions, the VM's CPU will spike. This is a first-step diagnostic action to rule out load balancing issues before investigating the VM itself.

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.

  • Adjust the autoscaling policy to add more instances immediately.

    Why it's wrong here

    This is a reactive resolution, not a diagnostic step. Scaling should be based on analysis, not as a first step.

  • Check for memory leaks in the application that could indirectly affect CPU.

    Why it's wrong here

    Memory leaks do not directly cause high CPU utilization; they lead to high memory usage and potential swapping, but CPU diagnosis should focus on processes.

  • Review the load balancer health check and traffic distribution settings for the backend pool.

    Why this is correct

    Improper load balancer configuration can direct excessive traffic to this VM, causing high CPU.

    Clue confirmation

    The clue word "first" in the question point toward this answer.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Identify the process consuming the most CPU using the OS performance monitoring tools.

    Why this is correct

    This helps pinpoint the source of high CPU usage, whether an application process, database, or other service.

    Clue confirmation

    The clue word "first" in the question point toward this answer.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Immediately increase the number of vCPUs assigned to the VM.

    Why it's wrong here

    This is a resolution step, not diagnostic. It may temporarily alleviate symptoms but does not identify the root cause.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often jump to scaling actions (like adding vCPUs or instances) as a first step, but the exam emphasizes systematic troubleshooting—starting with load balancer and OS-level diagnostics before making changes.

Detailed technical explanation

How to think about this question

Under the hood, load balancers use health checks (e.g., HTTP GET requests to a specified endpoint) to determine backend pool member status; if health checks fail or are misconfigured, the load balancer may route traffic to unhealthy VMs, causing CPU spikes. Additionally, traffic distribution algorithms like round-robin or least connections can become imbalanced if session persistence (sticky sessions) is enabled without proper cookie or source IP affinity configuration. In a real-world scenario, a misconfigured health check path (e.g., returning a 200 OK for a static page while the application is unresponsive) can lead to all traffic being sent to a single VM, overwhelming its CPU.

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 CV0-004 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.

Related practice questions

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FAQ

Questions learners often ask

What does this CV0-004 question test?

Troubleshooting — This question tests Troubleshooting — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Review the load balancer health check and traffic distribution settings for the backend pool. — Option C is correct because reviewing the load balancer health check and traffic distribution settings helps determine if the high CPU utilization is caused by uneven traffic distribution or unhealthy backend instances. If the load balancer is sending excessive traffic to a single VM due to misconfigured health checks or sticky sessions, the VM's CPU will spike. This is a first-step diagnostic action to rule out load balancing issues before investigating the VM itself.

What should I do if I get this CV0-004 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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Last reviewed: Jun 25, 2026

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This CV0-004 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 CV0-004 exam.