Quiz 2

Question 1

You want to configure SW1 to send VLAN10 frames untagged over its GigabitEthernet0/1 interface, a trunk. Which command is appropriate?

1. encapsulation dot1q 10

2. switchport trunk allowed vlan 10

3. switchport trunk allowed vlan add 10

4. switchport trunk native vlan 10

Solution

4. switchport trunk native vlan 10

Question 2

After modifying the list of VLANs allowed on a trunk interface, you want to return it to the default state. Which command will do this?

1. switchport trunk allowed vlan default;

2. switchport trunk allowed vlan all;

3. switchport trunk allowed vlan none;

4. switchport trunk allowed vlan 1, 1001-1005.

Solution

2. switchport trunk allowed vlan all;

Question 3

You try to configure an interface on a Cisco switch as a trunk port with the command switchport mode trunk, but the command is rejected. Which command might fix this issue?

1. switch port mode trunk;

2. switchport trunk encapsulation 802.1q;

3. switchport trunk encapsulation dot1q;

4. switchport trunk encapsulation auto.

Solution

3. switchport trunk encapsulation dot1q

Question 4

Which field of the 802.1q tag identifies the VLAN ID of the frame?

1. TPID;

2. VID;

3. PCP;

4. VLN.

Solution

2. VID

Question 5

You configured switchport trunk allowed vlan add 10 on an interface, but VLAN10 doesn't appear in the VLANs allowed and active in management domain section of the show interfaces trunk command output. What might be the reason?

1. VLAN10 doesn't exist on the switch;

2. The command is invalid;

3. The command should be switchport trunk allowed vlan 10;

4. VLAN10 is reserved and cannot be used.

Solution

1. VLAN10 doesn't exist on the switch