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Switched Networks > Chapter 2: VLANS > Flashcards

Chapter 2: VLANS Flashcards

1
Q

What is the range for Ethernet VLANs supported in VTP 3?

A

1025 - 4094

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1
Q

Trunking is used to extend what layer of operations across an entire network.

A

2

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1
Q

True or False: It is important to have the same native VLAN on both switch link partners for ISL

A

True

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3
Q

Traffic from a local VLAN is routed at the which two layers?

A

Core and Distribution

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3
Q

True or False: Token Ring support is available in VTP version 1.

A

False

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4
Q

True or False: Hosts that are members of different community VLANs can communicate to each other but not to members of isolated VLANs.

A

True

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5
Q

Which prompt indicates that you are in VLAN configuration mode of Cisco IOS?

A

Switch(config-vlan)#

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5
Q

Which switch port mode unconditionally sets the switch port to access mode regardless of any other DTP configurations?

A

Access

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6
Q

Which VTP mode cannot create, edit, or delete VLANs?

A

Client

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7
Q

__________ are contained within VLANs?

A

Broadcasts

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7
Q

To configure the interface as a Layer 2 trunk you would use what command?

A 
Switch(config-if)# switchport mode {dynamic {auto | desirable} | trunk}
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7
Q

VTP advertisements are sent as what type of frames?

A

Multicast frames

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7
Q 
Catalyst6500-IOS# show run interface gigabitEthernet 3/9 Building configuration... Current configuration : 137 bytes ! interface GigabitEthernet3/9 mtu 9216 no ip address switchport switchport access vlan 5 switchport trunk encapsulation dot1q end

If the interface negotiates trunking, what would be the Native VLAN?

A

VLAN 1

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8
Q

A switch issues a VTP advertisement request in what three situations?

A
  1. The switch has been reset.
  2. The VTP domain name has been changed.
  3. The switch has received a VTP summary advertisement with a higher configuration revision than its own.
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9
Q

How should End-to-End VLANS be distributed throughout the network?

A

geographically

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10
Q

What is the range for Ethernet VLANs supported in all versions of VTP?

A

1, 2 - 1001

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10
Q

True or False: The Cisco Catalyst 6500 supports up to 1024 VLANs in the most recent software releases.

A

False

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11
Q

Which command correctly sets the VTP version to version 1 in Cisco IOS global configuration mode?

A

no vtp version 2

13
Q

When using Local VLANS, you should avoid using what?

14
Q

Which trunking protocol is nearly obsolete, and adds 30 bytes of overhead?

16
Q

A ____ is a logical group of end devices?

17
Q

The three pVLAN port types are?

A
  1. Isolated
  2. Promiscuous
  3. Community
19
Q

What carries the traffic for multiple VLANs across a single physical link?

21
Q

To select the encapsulation type, you use what command?

A 
Switch(config-if)# switchport trunk encapsulation {isl | dot1q | negotiate}
22
Q

What are the types of VLANS you should separate?

A

Voice, Data, Management, Native, default, and Black Hole

23
Q

Which command correctly configures a port with ISL encapsulation in Cisco IOS?

A 
Switch(config-if)# switchport trunk encapsulation isl
25
Q

Layer _ devices interconnect VLANs?

26
Q

To specify the native VLAN you would use what command?

A 
Switch(config-if)# switchport trunk native vlan vlan-id
27
Q

What is the default VTP mode for a Catalyst switch?

28
Q

802.1Q uses an internal tagging mechanism, where a tag is inserted after the _____ field.

29
Q

How does implementing VLANs help improve the overall performance of the network?

A

By constraining broadcast traffic

30
Q

The three message types for VTP are?

A
  1. Summary Advertisements
  2. Subset Advertisements
  3. Advertisement Requests
31
Q

According to best practice, you should configure how many VLANs per access module?

32
Q

Which command correctly sets the native VLAN to VLAN 5?

A 
switchport native trunk vlan 5
33
Q

What information is contained in the FCS of an ISL-encapsulated frame?

A

CRC calculation

35
Q

VTP Advertisements are sent every _ minutes?

36
Q

After you complete the VTP configuration, which command should you use to verify your configuration?

A 
show vtp status
37
Q

Which VLAN number should you avoid using as the “black hole” VLAN?

38
Q

In a Local VLAN configuration, switches are configured in VTP __________ mode

A

Transparent

39
Q

What standard specifies how switces should handle untagges frames?

40
Q

True or False: When removing the native VLAN from a trunk port, CDP, Port Aggregation Protocol (PAgP), and DTP then use the lowest-numbered VLAN to send traffic.

42
Q

How should local VLANS be distributed throughout the network?

A

physical boundaries

43
Q

When is a consistency check performed with VTP version 2?

A

. When you enter new information through the CLI or SNMP

Switched Networks (5 decks)

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