Question 1mediummulti select
Read the full wireless explanation →Question 1,028 of 1,819
Quick Answer
The answer is that dual-band access points can operate simultaneously on both the 2.4 GHz and 5 GHz bands, which is a key characteristic tested on the CCNA 200-301 v2 exam. This is correct because the 2.4 GHz band provides longer range due to better propagation through obstacles, while the 5 GHz band offers significantly more non-overlapping channels—up to 23 or 25 depending on the regulatory domain—compared to the 2.4 GHz band’s limited three (channels 1, 6, and 11). On the exam, this question tests your understanding of WLAN band characteristics and the trade-offs between coverage and capacity; a common trap is assuming 2.4 GHz always has more channels or that the bands cannot be used together. Remember the memory tip: “2.4 for distance, 5 for density”—the lower frequency travels farther, while the higher frequency supports more simultaneous devices with less interference.
CCNA Network Infrastructure and Connectivity Practice Question
This 200-301 practice question tests your understanding of network infrastructure and connectivity. 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.
Which three of the following are characteristics of wireless LAN (WLAN) operation in the 2.4 GHz and 5 GHz bands? (Choose three.)
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
✓
The 5 GHz band offers more non-overlapping channels than the 2.4 GHz band.
The 5 GHz band offers more non-overlapping channels (up to 23 or 25, depending on regulatory domain) compared to the 2.4 GHz band, which has only three non-overlapping channels (1, 6, 11). The 2.4 GHz band generally provides longer range due to better propagation characteristics and lower attenuation through obstacles. Dual-band access points can operate simultaneously on both bands, allowing clients to connect on either frequency.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the misconception that the 2.4 GHz band has more channels or that 5 GHz always provides longer range, but the correct understanding is that 5 GHz has more non-overlapping channels and 2.4 GHz offers better range due to lower frequency propagation.
Detailed technical explanation
How to think about this question
The 2.4 GHz band (802.11b/g/n/ax) uses frequencies from 2.4 to 2.4835 GHz, with channels spaced 5 MHz apart, but only channels 1, 6, and 11 are non-overlapping due to 22-40 MHz channel width. The 5 GHz band (802.11a/n/ac/ax) spans from 5.15 to 5.825 GHz, offering many more non-overlapping 20 MHz channels (e.g., 36, 40, 44, 48, etc.) and supporting wider channel bonding (40, 80, 160 MHz) for higher throughput. In real-world deployments, dual-band APs enable band steering to balance client load and reduce co-channel interference.
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 security administrator must allow nursing staff to reach a patient records server while blocking access from the guest Wi-Fi VLAN. After applying an extended ACL, traffic is still blocked from nursing workstations. The ACL was applied outbound instead of inbound on the wrong interface. Questions like this test ACL direction and placement rules.
What to study next
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FAQ
Questions learners often ask
What does this 200-301 question test?
Network Infrastructure and Connectivity — This question tests Network Infrastructure and Connectivity — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The 5 GHz band offers more non-overlapping channels than the 2.4 GHz band. — The 5 GHz band offers more non-overlapping channels (up to 23 or 25, depending on regulatory domain) compared to the 2.4 GHz band, which has only three non-overlapping channels (1, 6, 11). The 2.4 GHz band generally provides longer range due to better propagation characteristics and lower attenuation through obstacles. Dual-band access points can operate simultaneously on both bands, allowing clients to connect on either frequency.
What should I do if I get this 200-301 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.
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Last reviewed: Jun 11, 2026
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