Huawei Certified Network Associate – Routing and Switching (HCNA-RS, legacy) — Question 21

What is the total length of the VLAN frame defined by IEEE 802.1Q?

Answer options

• A. 4
• B. 3
• C. 2
• D. 1

Correct answer: A

Explanation

The correct answer is A, as the total length of the VLAN tag added by IEEE 802.1Q is indeed 4 bytes. The other options do not reflect the actual size of the VLAN frame, making them incorrect.