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CCNP Encor 350-401 > Chapter 5: VLAN Trunks and EtherChannel Bundles > Flashcards

Chapter 5: VLAN Trunks and EtherChannel Bundles Flashcards

1
Q

List the 4 VTP roles

A

Server
Client
Transparent
Off

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2
Q

This switch is responsible for creating, modifying, and deleting VLANs within the VTP domain.

A

Server

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3
Q

A switch in what VTP mode receives VTP advertisements and modifies the VLANs on the switch?

A

Client

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4
Q

A switch in this VTP mode receives and forwards VTP advertisements but does not modify the local VLAN database.

A

Transparent

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5
Q

Default VTP version on Cisco switches.

A

Version 1

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6
Q

Which VTP version:

Supports VLANs 1-1005 and Token Ring.

Does not inspect VTP version and domain before forwarding VTP advertisements.

A

Version 2

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7
Q

Which VTP version:

Supports extended range VLANs ( 1006-4094), PVLANs, and encrypted passwords.

Can disable VTP per interface

A

Version 3

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8
Q

Default VTP domain

A

Null

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9
Q

Types of VTP advertisements

A

Summary
Subset
Client request

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10
Q

T/F:

VTP advertisements are unicast.

A

False

Multicast

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11
Q

When is a summary advertisement sent?

A

Every 30 seconds by default.

Everytime VLAN database changes.

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12
Q

What is included in a summary advertisement?

A 
VTP version
VTP Domain
Revision number
Time stamp
MD5 Hash
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13
Q

When is a subset advertisement sent?

A

After summary advertisement.

After VLAN configuration change occurs.

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14
Q

T/F

VTP advertisements are sent non-secure by default.

A

True

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15
Q

T/F

VTP advertisements are sent across trunk ports and access ports.

A

False

Trunk ports only

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16
Q

Which VTP mode is a Cisco best practice?

A

Transparent

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17
Q

What command is used to designate the primary VTP server if there are multiple VTP servers in VTP domain?

A

vtp primary

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18
Q

VTP configuration steps

A
  1. Define VTP version
  2. Define VTP domain
  3. Define VTP switch role
  4. Secure VTP domain with password (optional)
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19
Q

What command is used to verify VTP status?

A

show vtp status

20
Q

What happens to an access port when the VLAN it is assigned to is removed from the switch?

A

The access port is moved to VLAN1.

21
Q

What destination MAC are VTP packets sent to?

A. FF:FF:FF:FF:FF:FF
B. 00:00:0c:07:ac:XX
C. 00-00-5E-00-01-1E
D. 01-00-0C-CC-CC-CC

A

D. 01-00-0C-CC-CC-CC

22
Q

What is the ‘followers’ field in a summary advertisement?

A

Indicates if packet is followed by a summary advertisement.

23
Q

In what situations does a switch need a VTP advertisement request?

A

The switch has been reset.

The VTP domain name has changed.

The switch has received a VTP summary advertisement with a higher configuration revision than its own.

24
Q

Used to determine whether the received information is more recent that the current version.

A

Configuration revision

25
Q

How to reset configuration revision

A

Change VTP mode to transparent and change it back.

Change domain name.

26
Q

What type of advertisement occurs when a switch with a lower revision number joins the VTP domain and observes a summary advertisement with a higher revision than it has stored locally.

A

Client request

27
Q

What protocol attempts to form a trunk with another interface?

A

DTP

28
Q

How often are DTP packets sent?

A

Every 30 seconds by default

29
Q

T/F:

After you manually configure a port as an access port,
the command [switchport nonegotiate] is necessary to disable DTP on access ports.

A

False.

DTP is disabled on switchports manually configured as access ports.

30
Q

Name the DTP modes

A

Trunk
Dynamic desirable
Dynamic auto

31
Q

This mode statically places the switch port as a trunk and advertises DTP packets to the other end to establish a dynamic trunk.

A

Trunk

32
Q

In this mode, the switch port acts as an access port, but it listens for and advertises DTP packets to the other end to establish a dynamic trunk.

A

Dynamic desirable

33
Q

In this mode, the switch port acts as an access port, but it listens for and responds to DTP packets.

A

Dynamic auto

34
Q

T/F

Switches in transparent mode do not need a VTP domain name.

A

True

35
Q

What command prevents a port from forming a trunk with a dynamic desirable or dynamic auto switch port?

A

switchport nonegotiate

36
Q

Dynamic Link Aggregation protocols

A

PAgP

LACP

37
Q

PAgP multicast MAC Address:

A. 00-00-5E-00-01-1E
B. 0100:0CCC:CCCC
C. 0180:C200:0002
D. 01-00-OC-CC-CC-CC

A

B. 0100:0CCC:CCCC

38
Q

PAgP protocol code

A

0x0104

39
Q

PAgP modes

A

Auto
Desirable
[non-silent]

40
Q

In this PAgP mode, the interface does not initiate an EtherChannel to be established and does not transmit PAgP packets out of it.

A

Auto

41
Q

In this PAgP mode, an interface tries to establish an EtherChannel and transmit PAgP packets out of it.

A

Desirable

Active PAgP interfaces can establish a PAgP adjacency
only if the remote interface is configured to auto or desirable.

42
Q

LACP multicast address

A. 00-00-5E-00-01-1E
B. FFFF:FFFF:FFFF
C. 0180:C200:0002
D. 01-00-0C-CC-CC-CC

A

C. 0180:C200:0002

43
Q

In this LACP mode, an interface does not initiate an EtherChannel to be established and does not transmit LACP packets out of it.

A

Passive

44
Q

In this LACP mode, an interface tries to establish an EtherChannel and transmit LACP packets out of it.

A

Active

45
Q

T/F

Ports with different native VLANs can form an etherchannel.

A

False

46
Q

What is PAgP silent mode?

A

Default PAgP mode.

Allows a port to establish an EtherChannel with a device that is not PAgP capable and rarely sends packets.

CCNP Encor 350-401 (10 decks)

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