Implementing and Operating Cisco Enterprise Network Core Technologies (ENCOR) — Question 336

When is an external antenna used inside a building?

Answer options

• A. only when using Mobility Express
• B. only when using 2.4 GHz
• C. when it provides the required coverage
• D. only when using 5 GHz

Correct answer: C

Explanation

The correct answer is C because an external antenna is used to enhance the coverage area when needed, regardless of the specific technology or frequency in use. Options A, B, and D incorrectly limit the use of external antennas to specific scenarios, which is not accurate as they can be beneficial in various situations where coverage is a concern.