- A
Wireless Local Area Network (WLAN)
Correct. WLAN with wireless bridges can connect buildings within a campus, providing a simple, cable-free network without internet.
- B
Wireless Personal Area Network (WPAN)
Why wrong: Incorrect. WPAN (e.g., Bluetooth) has a range of about 10-100 meters, insufficient for 200-meter inter-building links.
- C
Metropolitan Area Network (MAN)
Why wrong: Incorrect. MAN covers a citywide area, which is overkill and typically more expensive/complex than needed.
- D
Wide Area Network (WAN)
Why wrong: Incorrect. WAN connects across large distances (e.g., multiple cities) and usually requires internet or leased lines, adding cost and complexity.
Question 548 of 1,020
220-1201 WLAN Practice Question
This 220-1201 practice question tests your understanding of network types. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. A key principle to apply: wLAN. 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 small business owner wants to set up a network that covers three separate buildings within a 200-meter radius, with no internet access required between them. They need a simple, low-cost solution that can be installed quickly without running cables between buildings. Which network type should be recommended?
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
✓
Wireless Local Area Network (WLAN)
A Wireless Local Area Network (WLAN) is the best choice because it can connect multiple buildings using wireless bridges or mesh networking, covering a 200-meter radius without cables. It is simple, low-cost, and does not require internet access. WPAN (Bluetooth/ZigBee) has too short a range (typically <100m) for inter-building connections. MAN and WAN are designed for larger geographic areas and often involve higher costs and internet connectivity.
Key principle: WLAN
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Wireless Local Area Network (WLAN)
Why this is correct
Correct. WLAN with wireless bridges can connect buildings within a campus, providing a simple, cable-free network without internet.
Related concept
WLAN
- ✗
Wireless Personal Area Network (WPAN)
Why it's wrong here
Incorrect. WPAN (e.g., Bluetooth) has a range of about 10-100 meters, insufficient for 200-meter inter-building links.
- ✗
Metropolitan Area Network (MAN)
Why it's wrong here
Incorrect. MAN covers a citywide area, which is overkill and typically more expensive/complex than needed.
- ✗
Wide Area Network (WAN)
Why it's wrong here
Incorrect. WAN connects across large distances (e.g., multiple cities) and usually requires internet or leased lines, adding cost and complexity.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap is choosing WPAN due to 'simple low-cost,' but WPAN range is too short. WLAN can be extended with bridges, making it suitable for nearby buildings.
Detailed technical explanation
How to think about this question
WPAN technologies like Bluetooth 5.0 can achieve ranges up to 240 meters in open space with Bluetooth Low Energy (BLE) mesh networking, allowing devices in separate buildings to relay data without a central hub. ZigBee, another WPAN standard, uses a mesh topology where each node can forward data, enabling coverage beyond the typical 10-100 meter range by hopping through intermediate devices. In a real-world scenario, a small business could use ZigBee-enabled sensors or Bluetooth beacons to share data between buildings for inventory tracking or environmental monitoring without any internet dependency.
KKey Concepts to Remember
- WLAN
- WPAN
- Wireless Bridge
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
WLAN
Real-world example
How this comes up in practice
A junior network technician can log in to a core router but cannot reach the enable prompt or configuration mode. The AAA server is authenticating the login — but the authorisation policy only grants privilege level 1, not 15. Authentication (who you are) is working; authorisation (what you can do) is not.
Quick reference
AAA Protocol Comparison
| Protocol | Port(s) | Encryption | Transport | Primary Use |
|---|---|---|---|---|
| RADIUS | 1812 / 1813 | Password only | UDP | Network access control |
| TACACS+ | 49 | Full packet | TCP | Device administration |
| Diameter | 3868 | Full session | TCP / SCTP | Carrier / mobile networks |
| 802.1X | — | EAP-based | Layer 2 | Port-based access control |
TACACS+ encrypts the entire packet; RADIUS only encrypts the password field — a key exam distinction.
What to study next
Got this wrong? Here's your next step.
Review wLAN, then practise related 220-1201 questions on the same topic to reinforce the concept.
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FAQ
Questions learners often ask
What does this 220-1201 question test?
Network Types — This question tests Network Types — WLAN.
What is the correct answer to this question?
The correct answer is: Wireless Local Area Network (WLAN) — A Wireless Local Area Network (WLAN) is the best choice because it can connect multiple buildings using wireless bridges or mesh networking, covering a 200-meter radius without cables. It is simple, low-cost, and does not require internet access. WPAN (Bluetooth/ZigBee) has too short a range (typically <100m) for inter-building connections. MAN and WAN are designed for larger geographic areas and often involve higher costs and internet connectivity.
What should I do if I get this 220-1201 question wrong?
Review wLAN, then practise related 220-1201 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
WLAN
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Last reviewed: Jul 4, 2026
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