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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?/ |# f1 J& C, C4 y1 t
Which two statements about 802.1Q are true? (Choose two.)" {' H" H: g! A' u8 E( P) |
7 r% A4 ]9 e7 w1 C6 Q4 X; iA.It encapsulates the original Ethernet frame and adds a VLAN identifier.
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B.It increases the maximum size an Ethernet frame to 1094 bytes.; e+ {7 X. r4 U% V0 i; J
8 S# x+ V0 \" DC.It adds a 32-bit field to the Ethernet frame between the source MAC address and length fields.$ r0 f1 x/ b7 B& \
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D.It supports 8-byte VLAN identifiers.8 m2 U/ I4 h; w1 W! ]0 o+ n
- o1 v: k: G# ]4 p5 VE.It is a Cisco proprietary protocol.
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F.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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