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Question 708

Refer to the exhibit.

PC 2 cannot communicate with PC 4. Which configuration resolves this issue?

SW1(config)# interface Gigabitethernet 2/1

SW1(config-if)# switchport mode trunk

SW1(config)# interface Gigabitethernet 2/1

SW1(config-if)# switchport mode access

SW1(config-if)# switchport access vlan 10

SW1(config)# interface Gigabitethernet 2/1

SW1(config-if)# switchport trunk allowed vlan add 10

SW1(config)# interface Gigabitethernet 2/1

SW1(config-if)# switchport vlan mapping 10 10

Correct Answer: C

PC 2 is in VLAN 10, but the trunk configuration does not explicitly allow VLAN 10. By adding VLAN 10 to the allowed VLAN list on the trunk port, communication will be enabled between PC 2 and PC 4.

Discussion

danman32

Strange that VLAN 5 is not listed in section "in spanning tree and not pruned". After all, it is allowed.

nerdymarwa

Correct but the interfaces mentioned are incorrect :)

SeMo0o0oOption: C

C is correct

SeMo0o0oOption: C

C is correct

CCNPWILLOption: C

C. Obviously.

snarkymarkOption: C

Correct