- 积分
- 187
- 鸿鹄币
- 个
- 好评度
- 点
- 精华
- 最后登录
- 1970-1-1
- 阅读权限
- 20
- 听众
- 收听
助理工程师
 
|
发表于 2018-2-8 14:30:23
|
显示全部楼层
529054785 发表于 2018-2-8 01:51
4 U( ^0 g3 q# \, x w; vWhich two statements about 802.1Q are true? (Choose two.)! w. }/ z3 D: x9 F9 \3 U
A. It encapsulates the original Ethernet ... 3 c: r9 V9 a' v" ^
Not A 802.1Q is a trunking protocol, it did not encapsulates the frame, just adding 32 bits between Ethernet Frame and Sour Mac.9 ?3 M' I) y. J( u f+ x' |
Not B it did not maximum the size
0 u U: d5 x0 zC correct3 \4 `7 D# q6 Z3 d" Z$ Z
D It only add 32 bits info, can not support 8-vlan info1 ~/ |: ~& {: L1 D! S
E It is IEEE standard
, A9 u9 a( a4 C" S. ^% aF Correct after adding the info, we nee to run crc again/ a- E0 @' v) D
|
5#
2018-2-8 14:30:23
回复(0)
收起回复
|