Huawei Certified ICT Associate – Data Center Network (HCIA-DCN) — Question 8

Which of the following statements about switches is false?

Answer options

• A. A switch is typically deployed as an egress device of a network.
• B. A switch usually works at the data link layer.
• C. A switch can provide network access services for terminals such as PCs and servers.
• D. A switch can exchange data frames.

Correct answer: A

Explanation

The correct answer is A because a switch is primarily used to manage traffic within a network rather than serving as an egress device. Options B, C, and D are accurate descriptions of a switch's functions, as they correctly state that switches operate at the data link layer, provide access services for terminals, and facilitate data frame exchanges.