# 220-1001 — Question 427

**Type:** multiple_choice
**Topics:** topic_1

## Question

Which of the following wireless standards is only capable of 5GHz frequencies?

## Correct Answer

_See scenario._

## Explanation

The keyword here is ONLY 5GHz; 802.11a is right. 802.11ac supports 2.4 and 5GHz frequencies through 802.11n

**Reference:** examtopics_top_comment

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Source: https://hiexam.net/q/comptia/220-1001/427  
Practice (tracked): https://hiexam.net/study/220-1001/practice