CCNA Practice Exam Test Sample – Question 43

Which two commands can be used to verify a trunk link configuration status on a given Cisco switch interface? (Choose two.)

A. show interface trunk
B. show interface interface
C. show ip interface brief
D. show interface vlan
E. show interface switchport

Correct Answers: A,E
Section: LAN Switching Technologies

Explanation:
Example output from these two commands:
SW3#show interface trunk
Port Mode Encapsulation Status Native vlan
Fa0/19 auto n-802.1q trunking 1
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Fa0/20 auto n-802.1q trunking 1
Fa0/21 auto n-802.1q trunking 1
Fa0/22 auto n-802.1q trunking 1
Port Vlans allowed on trunk
Fa0/19 1-4094
Fa0/20 1-4094
Fa0/21 1-4094
Fa0/22 1-4094

SW1#show interface fast 0/2 switchport
Name: Fa0/2
Switchport: Enabled
Administrative Mode: dynamic desirable
Operational Mode: down
Administrative Trunking Encapsulation: dot1q
Negotiation of TrunkinG. On
Access Mode VLAN: 1 (default)
Trunking Native Mode VLAN: 1 (default)
Voice VLAN: none