QUESTION 52

Which two of these are characteristics of the 802.1Q protocol? (Choose two.)

A. It modifies the 802.3 frame header, and thus requires that the FCS be recomputed.
B. It is used exclusively for tagging VLAN frames and does not address network reconvergence following
switched network topology changes.
C. It is a Layer 2 messaging protocol which maintains VLAN configurations across networks.
D. It is a trunking protocol capable of carrying untagged frames.
E. It includes an 8-bit field which specifies the priority of a frame.

Explanation
문제 : 802.1Q 프로토콜의 특성 2가지는 이들 중 어느 것입니까?

802.1Q는 VLAN 상에서스위치 간에 VLAN ID 정보를 전달하는 방법 중 하나이며
이더넷 프레임(802.3) 내에 덧붙이는 32 비트(4 바이트길이의 태그 방식이며 IEEE 802 표준 입니다.


또한 ISL과 다르게 태그가 없는 VLAN은 Native VLAN으로 지정 됩니다.


정답은 A, D 입니다.


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