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Which command will configure a switch port to use the IEEE standard method of inserting VLAN membership information into Ethernet frames?

A. Switch(config)# switchport trunk encapsulation isl

B. Switch(config)# switchport trunk encapsulation ietf

C. Switch(config)# switchport trunk encapsulation dot1q

D. Switch(config-if)# switchport trunk encapsulation isl

Answer: Option E

Solution(By Examveda Team)

If you are on a 2950 switch, then the interface command is just switchport mode trunk, since the 2950 can only run the IEEE 802.1Q version. However, a 3550 can run both ISL and 802.1Q, so you must use the encapsulation command. The argument to choose 802.1Q for a trunking protocol is dot1q.

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Comments ( 2 )

  1. पै.शिवम् तरस
    पै.शिवम् तरस :
    2 years ago

    Ans
    e. Switch(config-if)# switchport trunk encapsulation dot1q

  2. Katheeja Beevi
    Katheeja Beevi :
    2 years ago

    option e is not at all available

Related Questions on Virtual LANs

Which of the following is true regarding VLANs?

A. You must have at least two VLANs defined in every Cisco switched network.

B. All VLANs are configured at the fastest switch and, by default, propagate this information to all other switches.

C. You should not have more than 10 switches in the same VTP domain.

D. VTP is used to send VLAN information to switches in a configured VTP domain.