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助理工程师
 
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发表于 2018-1-22 11:28:23
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拖图题有变化吗?顺便问下下面这题选什么?
8 m% h! S6 D3 K7 f* aWhich two statements about 802.1Q are true? (Choose two.); p- ~$ T3 b9 W- {2 O
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A.It encapsulates the original Ethernet frame and adds a VLAN identifier.& |: q5 b2 k1 ]! [
+ ?! U+ V; M9 v: p, L' `B.It increases the maximum size an Ethernet frame to 1094 bytes.' \- z! c) W# }% I$ l8 U ^% r* Z
- f. [9 E& q! ]2 KC.It adds a 32-bit field to the Ethernet frame between the source MAC address and length fields.
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& {; K6 d2 S7 RD.It supports 8-byte VLAN identifiers.& a% Y4 A! f$ }, y; ~: N7 T0 c& q
( A) q, \2 U' ^) G" O- R7 cE.It is a Cisco proprietary protocol.
$ Z0 z" }! U# T+ L& J& e u
" r* j5 M, Y" sF.When It is enabled, it forces a recalculation of the frame check sequence field. |
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2018-1-22 11:28:23
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