Implementing Cisco IP Switched Networks (CCNP SWITCH, legacy) — Question 42

802.1Q trunking, what does it do? (Choose two.)

Answer options

• A. Encapsulate frame with VLAN tag
• B. Makes the frame size 1596
• C. Adds 32-bit header
• D. Allows 8-bits in VLAN tag header

Correct answer: A, C

Explanation

The correct answers are A and C. 802.1Q trunking encapsulates frames with a VLAN tag, enabling VLAN information to be included in the Ethernet frame. Additionally, it adds a 32-bit header to facilitate VLAN identification. Options B and D are incorrect as they do not accurately describe the functions of 802.1Q trunking.