Volume 1 - Chapter 8: Implementing Ethernet Virtual LANs Flashcards

1
Q

What is the size of the additional header added to a frame that passes over a trunk?

A

4 bytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the 2 trunking protocols used to connect switches?

A

ISL (Inter-Switch Link) & 802.1Q

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What VLAN IDs fall within the normal range?

A

1 to 1005

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What VLAN IDs fall within the extended range?

A

1006 to 4094

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which 5 VLANs by default exist on a switch and cannot be deleted?

A

VLAN 1, 1002, 1003, 1004, 1005

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What does the acronym VTP stand for?

A

VLAN Trunking Protocol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What 2 commands are used to effectively disable the use of VTP on a switch?

A

vtp mode transparent

vtp mode off (on newer switches)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Describe the difference between the following commands:

“switchport mode dynamic desirable”

“switchport mode dynamic auto”

A

When using desirable, the switch actively attempts to negotiate a trunk and responds to DTP messages

When using auto, the switch will respond to DTP messages, but not actively attempt to negotiate a trunk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What command can be used to display information about all active trunks on the switch?

A

show interface trunk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What command can be used to show additional information about the access/trunk and VLAN status of an interface?

A

show interface interfacename switchport

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What command can be used to disable the use of DTP negotiations on a port?

A

switchport nonegotiate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What command can be used to apply a voice VLAN tag on a switchport access interface?

A

switchport voice vlan vlannumber

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What commands can be used to shutdown a VLAN?

A

In global config mode:

shutdown vlan vlannumber

In VLAN config mode:

shutdown

How well did you know this?
1
Not at all
2
3
4
5
Perfectly