Ch2 VTP & DTP

Question 1

Describe VTP summary advertisement

Answer 1

inform adjacent switches of the VTP domain name & configuration revision number

Question 2

Describe VTP advertisement request

Answer 2

sent in response to summary advertisement received containing a higher configuration revision number

Question 3

Describe VTP subset advertisement

Answer 3

sent in response to advertisement request, includes VLAN information

Question 4

How often (by default) are VTP summary advertisements sent?

Answer 4

Every 5 minutes

Question 5

A switch receives a summary advertisement with a higher configuration revision number than what it knows about. What happens next

Answer 5

Local switch sends a VTP advertisement request

Question 6

What is the primary difference between VTP v1 and v2?

Answer 6

V2 supports token-ring networks

Question 7

What two methods can be used to reset the VTP configuration revision of a switch to 0?

Answer 7

1. Change VTP domain name to something else (and back)

2. Change VTP mode to transparent and back

Question 8

In what VTP mode can VLANs not be created or modified on a switch?

Answer 8

client mode

Question 9

On a given switch, VLANs can be created or modified, but the additions or changes remain local to that switch. What VTP mode is operational?

Answer 9

Transparent

Question 10

On a given switch, VLANs can be created or modified for the entire VTP domain. What VTP mode is operational?

Answer 10

Server

Question 11

On a given switch, VLAN information is only retained as long as the switch is powered on. What VTP mode is operational?

Answer 11

client

Question 12

A VTP-enabled switch needs to be enabled for extended VLANs. What mode must the switch be in?

Answer 12

transparent

Question 13

True or false: a switch operating in transparent mode participates in VTP?

Answer 13

false

Question 14

Where does a VTP-enabled switch operating in server mode store VLAN information?

Answer 14

NVRAM

Question 15

What three options must “match” between two switches that wish to participate in VTP?

Answer 15

VTP domain name (case sensitive)
VTP password (if set)
VTP version

Question 16

Extended VLANs can only be created if the switch is operating in this mode

Answer 16

transparent

Question 17

Normal-range VLANs are numbered…

Answer 17

1-1005

Question 18

Extended range VLANs are numbered…

Answer 18

1006-4094

Question 19

True or false: VTP can accommodate extended range VLANs?

Answer 19

False. VTP does not support extended range VLANs

Question 20

True or false: extended range VLANs are stored in the running config

Answer 20

true

Question 21

True or false: normal-range VLANs are stored in vlan.dat files

Answer 21

true

Question 22

Why is 4094 the upper boundary for extended VLANs

Answer 22

due to 12-bit limit of VLAN ID field in 802.1Q header

Question 23

What command lists a count of all configured VLANs

Answer 23

show vlan summary

Question 24

How would one disable DTP on a switch port?

Answer 24

switchport nonegotiate

Question 25

A user deletes a VLAN with the no vlan vlan-id command. What happens to ports already associated with that VLAN?

Answer 25

They are left in an inactive state, still assigned to the VLAN. They should be re-assigned to an active VLAN.