- A
Increase the bandwidth at the remote office
Why wrong: Bandwidth affects throughput, not latency; increasing bandwidth won't reduce the 150 ms delay.
- B
Upgrade the cloud VDI servers to faster CPUs
Why wrong: Server performance affects processing time, but the primary bottleneck is network latency, which is not addressed by faster CPUs.
- C
Deploy a local VDI broker or caching server at the remote office
A local broker can cache login profiles and reduce the need for frequent round trips to the cloud, significantly improving login speed.
- D
Switch to a different cloud provider
Why wrong: Changing providers may not reduce latency unless the new provider has a data center closer to the remote office, but this is not guaranteed and is a drastic measure.
Question 902 of 1,020
Improving VDI Login Performance Over High-Latency Links
This 220-1201 practice question tests your understanding of cloud computing concepts. 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's cloud-based virtual desktop infrastructure (VDI) is experiencing slow logins for users in a remote office. The network latency between the remote office and the cloud data center is 150 ms. What is the most effective solution to improve login performance?
Quick Answer
The answer is to deploy a local VDI broker or caching server at the remote office. This is the most effective solution because high latency, such as the 150 ms delay described, dramatically slows down the round-trip time required for authentication and resource loading during login. By placing a broker or cache locally, you eliminate the need for every login request to traverse the slow WAN link, drastically improving performance. On the CompTIA A+ Core 1 220-1201 exam, this scenario tests your understanding of how network latency impacts cloud-based services and the principle of bringing resources closer to the user. A common trap is to choose WAN optimization or a CDN, but those are secondary fixes; the exam wants you to recognize that a local broker directly addresses the high-latency bottleneck for VDI logins. Remember the memory tip: “Local broker, faster locker”—when latency is high, keep the login handshake nearby.
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
✓
Deploy a local VDI broker or caching server at the remote office
High latency significantly impacts VDI performance, especially during login when many resources are loaded. Deploying a local VDI broker or caching server at the remote office reduces round-trip time. Alternatively, using a CDN or WAN optimization can help, but a local broker is most effective for VDI.
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.
- ✗
Increase the bandwidth at the remote office
Why it's wrong here
Bandwidth affects throughput, not latency; increasing bandwidth won't reduce the 150 ms delay.
- ✗
Upgrade the cloud VDI servers to faster CPUs
Why it's wrong here
Server performance affects processing time, but the primary bottleneck is network latency, which is not addressed by faster CPUs.
- ✓
Deploy a local VDI broker or caching server at the remote office
Why this is correct
A local broker can cache login profiles and reduce the need for frequent round trips to the cloud, significantly improving login speed.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Switch to a different cloud provider
Why it's wrong here
Changing providers may not reduce latency unless the new provider has a data center closer to the remote office, but this is not guaranteed and is a drastic measure.
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.
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 practitioner preparing for the 220-1201 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 220-1201 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.
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FAQ
Questions learners often ask
What does this 220-1201 question test?
Cloud Computing Concepts — This question tests Cloud Computing Concepts — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Deploy a local VDI broker or caching server at the remote office — High latency significantly impacts VDI performance, especially during login when many resources are loaded. Deploying a local VDI broker or caching server at the remote office reduces round-trip time. Alternatively, using a CDN or WAN optimization can help, but a local broker is most effective for VDI.
What should I do if I get this 220-1201 question wrong?
Identify which 220-1201 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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Last reviewed: Jun 18, 2026
This 220-1201 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 220-1201 exam.
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