- A
Install multiple thick access points with overlapping channels.
Why wrong: Thick APs operate independently, so roaming may cause disconnections. Overlapping channels can cause interference, not seamless roaming.
- B
Use a single high-power access point in the center of the building.
Why wrong: A single AP cannot provide adequate coverage through concrete floors and metal studs. Users on different floors would have poor signals.
- C
Deploy thin access points connected to a wireless LAN controller.
Correct. Thin APs are managed by a controller that handles roaming, load balancing, and channel selection, ensuring seamless connectivity as users move.
- D
Use mesh access points with wireless backhaul.
Why wrong: Mesh APs can extend coverage, but wireless backhaul through concrete and metal is inefficient and can cause latency. Wired backhaul is preferred for seamless roaming.
Seamless Wireless Roaming with Thin APs and Controller
This 220-1201 practice question tests your understanding of common networking hardware. 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 network administrator is deploying a new wireless network in a large office building. They need to ensure seamless roaming for users moving between floors. The building has concrete floors and metal studs. Which hardware configuration will best support this requirement?
Quick Answer
The answer is to deploy thin access points connected to a wireless LAN controller. This configuration supports seamless wireless roaming because the controller centralizes management and coordinates fast handoffs between APs, allowing a user’s session to transfer instantly as they move between floors without re-authenticating. On the CompTIA A+ Core 1 220-1201 exam, this question tests your understanding of wireless deployment architectures, specifically the difference between autonomous (thick) and controller-based (thin) APs. A common trap is assuming that more powerful standalone APs solve coverage gaps, but in environments with concrete floors and metal studs, only thin APs with a controller can handle the rapid, coordinated transitions required for true roaming. Remember the mnemonic: “Thin APs need a brain—the controller handles the pain.”
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 thin access points connected to a wireless LAN controller.
Thin access points (APs) are designed to be managed centrally by a Wireless LAN Controller (WLC). The WLC coordinates channel selection, power levels, and client handoffs, enabling seamless roaming across floors. In a building with concrete floors and metal studs, multiple thin APs with controlled overlap ensure consistent coverage and fast roaming without the interference issues that would plague overlapping channels on thick APs.
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.
- ✗
Install multiple thick access points with overlapping channels.
Why it's wrong here
Thick APs operate independently, so roaming may cause disconnections. Overlapping channels can cause interference, not seamless roaming.
- ✗
Use a single high-power access point in the center of the building.
Why it's wrong here
A single AP cannot provide adequate coverage through concrete floors and metal studs. Users on different floors would have poor signals.
- ✓
Deploy thin access points connected to a wireless LAN controller.
Why this is correct
Correct. Thin APs are managed by a controller that handles roaming, load balancing, and channel selection, ensuring seamless connectivity as users move.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use mesh access points with wireless backhaul.
Why it's wrong here
Mesh APs can extend coverage, but wireless backhaul through concrete and metal is inefficient and can cause latency. Wired backhaul is preferred for seamless roaming.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is the misconception that 'more power equals better coverage' (Option B) or that 'mesh is always the easiest solution' (Option D). In reality, for seamless roaming in a dense, multi-floor environment with signal-blocking materials like concrete and metal, thin APs managed by a central controller are necessary to coordinate handoffs.
Detailed technical explanation
How to think about this question
Thin APs operate in Lightweight Access Point Protocol (LWAPP) or CAPWAP mode, tunneling all client traffic to the WLC, which handles key management (e.g., 802.1X, PMK caching) and fast roaming mechanisms like 802.11r (Fast BSS Transition). The WLC can also dynamically adjust channel assignments using RRM (Radio Resource Management) to mitigate interference from concrete and metal, ensuring clients roam with sub-50ms handoff times. In a real-world deployment, the WLC would be configured with a mobility group to allow seamless roaming across different floors without reauthentication.
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 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 exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
- →
Common Networking Hardware — study guide chapter
Learn the concepts, then practise the questions
- →
Common Networking Hardware practice questions
Targeted practice on this topic area only
- →
All 220-1201 questions
1,020 questions across all exam domains
- →
CompTIA A+ Core 1 220-1201 study guide
Full concept coverage aligned to exam objectives
- →
220-1201 practice test guide
How to use practice tests most effectively before exam day
Related practice questions
Related 220-1201 practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
Mobile Device Hardware Servicing practice questions
Practise 220-1201 questions linked to Mobile Device Hardware Servicing.
Mobile Device Connection Methods practice questions
Practise 220-1201 questions linked to Mobile Device Connection Methods.
Mobile Device Accessories practice questions
Practise 220-1201 questions linked to Mobile Device Accessories.
Mobile Device Network Connectivity practice questions
Practise 220-1201 questions linked to Mobile Device Network Connectivity.
Mobile Device Application Support practice questions
Practise 220-1201 questions linked to Mobile Device Application Support.
Network Protocols practice questions
Practise 220-1201 questions linked to Network Protocols.
TCP & UDP Ports practice questions
Practise 220-1201 questions linked to TCP & UDP Ports.
Wireless Networking Technologies practice questions
Practise 220-1201 questions linked to Wireless Networking Technologies.
Network Services practice questions
Practise 220-1201 questions linked to Network Services.
Network Configuration Concepts practice questions
Practise 220-1201 questions linked to Network Configuration Concepts.
Common Networking Hardware practice questions
Practise 220-1201 questions linked to Common Networking Hardware.
IP Addressing practice questions
Practise 220-1201 questions linked to IP Addressing.
Practice this exam
Start a free 220-1201 practice session
Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.
FAQ
Questions learners often ask
What does this 220-1201 question test?
Common Networking Hardware — This question tests Common Networking Hardware — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Deploy thin access points connected to a wireless LAN controller. — Thin access points (APs) are designed to be managed centrally by a Wireless LAN Controller (WLC). The WLC coordinates channel selection, power levels, and client handoffs, enabling seamless roaming across floors. In a building with concrete floors and metal studs, multiple thin APs with controlled overlap ensure consistent coverage and fast roaming without the interference issues that would plague overlapping channels on thick APs.
What should I do if I get this 220-1201 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Keep practising
More 220-1201 practice questions
- During a network cable installation, a technician needs to verify that a newly run Cat6 cable is properly terminated and…
- A user connects a 4K monitor to their laptop using a USB-C port. The monitor is detected, but the resolution is stuck at…
- A technician is troubleshooting a laptop that will not charge. The battery is removable, and the power adapter works on…
- A customer brings in a smartphone with a broken charging port. They want the port replaced. During disassembly, the tech…
- A user reports that their laptop's keyboard types random characters when certain keys are pressed. The laptop has not be…
- A technician is troubleshooting a laptop that shuts down randomly after a few minutes of use. The fan is spinning, and t…
Last reviewed: Jul 4, 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.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.