The answer is to enable 802.11r (Fast Roaming) on the wireless controller. This configuration is essential because WPA2-Enterprise with 802.1X handles authentication through a RADIUS server, which can introduce significant delay when a client moves between access points; 802.11r streamlines this process by allowing the client to pre-authenticate or use a faster key exchange, reducing handoff latency to under 50 milliseconds. On the CompTIA A+ Core 2 220-1202 exam, this question tests your understanding of wireless roaming protocols in enterprise environments, often appearing as a scenario where a school needs seamless connectivity for Chromebooks and iPads. A common trap is assuming WPA2-Enterprise alone provides fast roaming, but it does not—802.11r must be explicitly enabled. Remember the mnemonic: “Roaming requires ‘r’”—if you see a question about fast roaming for mobile devices, think 802.11r first.
220-1102 Wireless Security Protocols Practice Question
This 220-1202 practice question tests your understanding of wireless security protocols. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 technician is configuring a wireless network for a school that uses Chromebooks and iPads. The network must support fast roaming and prioritize security. The technician enables WPA2-Enterprise with 802.1X. What additional configuration is needed to ensure seamless roaming between access points?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable 802.11r (Fast Roaming) on the wireless controller.
Fast roaming (802.11r) allows clients to quickly re-authenticate when moving between access points, reducing latency. WPA2-Enterprise alone does not provide fast roaming; 802.11r must be enabled on the controller and access points.
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.
✗
Enable WPA3-SAE on all access points.
Why it's wrong here
WPA3-SAE does not inherently provide fast roaming; 802.11r is needed.
✗
Configure all access points with the same SSID and passphrase.
Why it's wrong here
This is already standard; it does not enable fast roaming.
✓
Enable 802.11r (Fast Roaming) on the wireless controller.
Why this is correct
802.11r reduces the time required for re-authentication during roaming.
Related concept
Read the scenario before looking for a memorised answer.
✗
Disable WPS on all access points.
Why it's wrong here
Disabling WPS is a security measure but does not affect roaming performance.
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 220-1202 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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 220-1202 question in full detail.
Identify which 220-1202 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.
Wireless Security Protocols — This question tests Wireless Security Protocols — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable 802.11r (Fast Roaming) on the wireless controller. — Fast roaming (802.11r) allows clients to quickly re-authenticate when moving between access points, reducing latency. WPA2-Enterprise alone does not provide fast roaming; 802.11r must be enabled on the controller and access points.
What should I do if I get this 220-1202 question wrong?
Identify which 220-1202 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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