16 - DTP/VTP

Question 1

[…] allows you to configure VLANs on a central server switch, and other switches (clients) will synchronize their VLAN database to the server.

Answer 1

VTP

Question 2

[…] is a Cisco proprietary protocol that allows Cisco switches to dynamically determine their interface status (access or trunk) without manual configuration.

Answer 2

DTP

Question 3

A switchport in dynamic […] mode will actively try to form a trunk with other Cisco switches.

Answer 3

desirable

Question 4

A switchport in dynamic […] mode will NOT actively try to form a trunk with other Cisco switches.

Answer 4

auto

Question 5

Cisco switches operate in VTP […] mode by default.

Answer 5

server

Question 6

Cisco switches operate in VTP version […] by default.

Answer 6

1

Question 7

Configure DTP in auto mode on a switchport:
SW1(config-if)# […]

Answer 7

switchport mode dynamic auto

Question 8

Configure DTP in desirable mode on a switchport:
SW1(config-if)# […]

Answer 8

switchport mode dynamic desirable

Question 9

Does a VTP server maintain its VLAN database in NVRAM?

Answer 9

Yes

Question 10

Does a VTP transparent maintain its VLAN database in NVRAM?

Answer 10

Yes

Question 11

Does a VTPv1/v2 client maintain its VLAN database in NVRAM?

Answer 11

No

Question 12

Does a VTPv3 client maintain its VLAN database in NVRAM?

Answer 12

Yes

Question 13

Does VTPv1 support the extended VLAN range (1006-4094)?

Answer 13

No

Question 14

Does VTPv2 support the extended VLAN range (1006-4094)?

Answer 14

No

Question 15

Does VTPv3 support the extended VLAN range (1006-4094)?

Answer 15

Yes

Question 16

DTP is […] by default on all Cisco switch interfaces.

Answer 16

enabled

Question 17

How many versions of VTP are there?

Answer 17

3

Question 18

In DTP trunk encapsulation negotiation, which encapsulation type is favored?

Answer 18

ISL

Question 19

Interfaces on newer Cisco switches default to switchport mode dynamic […]

Answer 19

auto

Question 20

Interfaces on older Cisco switches default to switchport mode dynamic […]

Answer 20

desirable

Question 21

SW1 G0/0 is connected to SW2 G0/0
SW1 G0/0 Administrative mode: dynamic auto
SW2 G0/0 Administrative mode: dynamic auto
Operational mode: […]

Answer 21

static access

Question 22

SW1 G0/0 is connected to SW2 G0/0
SW1 G0/0 Administrative mode: dynamic auto
SW2 G0/0 Administrative mode: static access
Operational mode: […]

Answer 22

static access

Question 23

SW1 G0/0 is connected to SW2 G0/0
SW1 G0/0 Administrative mode: dynamic auto
SW2 G0/0 Administrative mode: trunk
Operational mode: […]

Answer 23

trunk

Question 24

SW1 G0/0 is connected to SW2 G0/0
SW1 G0/0 Administrative mode: dynamic desirable
SW2 G0/0 Administrative mode: dynamic auto
Operational mode: […]

Answer 24

trunk

Question 25

SW1 G0/0 is connected to SW2 G0/0 SW1 G0/0 Administrative mode: dynamic desirable SW2 G0/0 Administrative mode: dynamic desirable Operational mode: [...]

Answer 25

trunk

Question 26

SW1 G0/0 is connected to SW2 G0/0 SW1 G0/0 Administrative mode: dynamic desirable SW2 G0/0 Administrative mode: static access Operational mode: [...]

Answer 26

static access

Question 27

SW1 G0/0 is connected to SW2 G0/0 SW1 G0/0 Administrative mode: dynamic desirable SW2 G0/0 Administrative mode: trunk Operational mode: [...]

Answer 27

trunk

Question 28

Two commands that disable DTP negotiation on a switchport: SW1(config-if)# switchport mode access OR SW1(config-if)# [...]

Answer 28

switchport nonegotiate

Question 29

Two commands that disable DTP negotiation on a switchport: SW1(config-if)# switchport nonegotiate OR SW1(config-if)# [...]

Answer 29

switchport mode access

Question 30

VTP clients [can/can't] add/modify/delete VLANs.

Answer 30

can't

Question 31

VTP clients [will/won't] synchronize their VLAN database with a VTP server with a higher revision number.

Answer 31

will

Question 32

VTP servers [can/can't] add/modify/delete VLANs.

Answer 32

can

Question 33

VTP servers [will/won't] synchronize their VLAN database with a VTP server with a higher revision number.

Answer 33

will

Question 34

VTP servers will increase the [...] every time a VLAN is added/modified/deleted.

Answer 34

revision number

Question 35

VTP transparents [can/can't] add/modify/delete VLANs.

Answer 35

can

Question 36

VTP transparents [will/won't] synchronize their VLAN database with a VTP server with a higher revision number.

Answer 36

won't

Question 37

What are the three VTP modes?

Answer 37

Server, client, transparent

Question 38

What are the two DTP interface modes? switchport mode dynamic [...] switchport mode dynamic [...]

Answer 38

auto desirable

Question 39

What are two methods to reset the VTP revision number to 0? [...] OR Change the VTP mode to transparent.

Answer 39

Change the VTP domain to an unused domain.

Question 40

What are two methods to reset the VTP revision number to 0? Change the VTP domain to an unused domain. OR [...]

Answer 40

Change the VTP mode to transparent.

Question 41

What does DTP stand for?

Answer 41

Dynamic Trunking Protocol

Question 42

What does VTP stand for?

Answer 42

VLAN Trunking Protocol

Question 43

When using 802.1Q, which VLAN are DTP frames sent in?

Answer 43

The native VLAN

Question 44

When using ISL, which VLAN are DTP frames sent in?

Answer 44

VLAN1