Exam 220-1201 Topic 1 Question 387 Discussion

Actual exam question for CompTIA's 220-1201 exam
Question #: 387
Topic #: 1
Which of the following is an advantage of using the 2.4 GHz wireless frequency?

Suggested Answer: C Vote an answer

Comprehensive and Detailed Explanation From Exact Extract (Aligned With CompTIA A+ 220-1201 Study Guide) The CompTIA A+ wireless networking section describes key differences between 2.4 GHz and 5 GHz Wi-Fi frequencies.
2.4 GHz provides:
* Better range
* Better wall penetration
* Better performance through structures and obstacles
This means less interference from physical structures, which is the primary advantage of 2.4 GHz over 5 GHz.
This maps directly to:
# C. Minimized structural interference
Why the other options are incorrect
A). Communication without external power
Not related to Wi-Fi frequencies.
B). Security for close-proximity connections
No Wi-Fi frequency provides inherent security advantages.
D). Increased channel options
5 GHz has more channels, not 2.4 GHz.

by Jonathan at Apr 02, 2026, 09:46 AM

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