Which two statements about 802.1q are true? (Choose two.)

A. Each frame contains a 12-byte VLAN Identifier field

B. Trunking devices add an 8-byte VLAN tag to all VLAN packets

C. The header is found within the Ethernet trailer.

D. It insert a 4-byte tag filed to the Ethernet frame.

E. When it is enabled, the minimum Ethernet frame size is 68 bytes.






 

Suggested Answer: DE

The 802.1Q tag is 4 bytes. Therefore, the resulting Ethernet frame can be as large as 1522 bytes. The minimum size of the Ethernet frame with 802.1Q tagging is
68 bytes.
Reference:
https://www.cisco.com/c/en/us/support/docs/lan-switching/8021q/17056-741-4.html

This question is in 300-115 Implementing Cisco IP Switched Networks (SWITCH) Exam
For getting Cisco Certified Network Professional (CCNP) Routing and Switching Certificate





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