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1
Q 
Which feature is automatically enabled when a voice VLAN is configured, but not automatically disabled when a voice VLAN is removed?
A. portfast
B. port-security
C. spanning tree
D. storm control
A

A. portfast

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2
Q

In which portion of the frame is the 802.1q header found?
A. within the Ethernet header
B. within the Ethernet payload
C. within the Ethernet FCS
D. within the Ethernet source MAC address

A

A. within the Ethernet header

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3
Q

What is required for a LAN switch to support 802.1q Q-in-Q encapsulation?
A. Support less than 1500 MTU
B. Support 1504 MTU or higher
C. Support 1522 layer 3 IP and IPX packet
D. Support 1547 MTU only

A

B. Support 1504 MTU or higher

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4
Q 
What is the size of the VLAN field inside an 802.1q frame?
A. 8-bit
B. 12-bit
C. 16-bit
D. 32-bit
A

B. 12-bit

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5
Q 
What is the maximum number of VLANs that can be assigned to an access switchport without a voice VLAN?
A. 0
B. 1
C. 2
D. 1024
A

B. 1

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6
Q

What does the command ―vlan dot1q tag native accomplish when configured under global configuration?

A. All frames within the native VLAN are tagged, except when the native VLAN is set to 1.
B. It allows control traffic to pass using the non-default VLAN.
C. It removes the 4-byte dot1q tag from every frame that traverses the trunk interface(s).
D. Control traffic is tagged.

A

D. Control traffic is tagged.

in fact no correct answer - WTF?

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7
Q

Interfaces are assigned to a VLAN, and then the VLAN is deleted. Which state are these interfaces in after the VLAN is deleted?
A. They remain up, but they are reassigned to the default VLAN.
B. They go down until they are reassigned to a VLAN.
C. They go down, but they are reassigned to the default VLAN.
D. They remain up, but they are reassigned to the native VLAN.

A

B. They go down until they are reassigned to a VLAN.

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8
Q 
Which feature is automatically configured when an administrator enables a voice VLAN?
A. 802.1Q trunking
B. PortFast
C. QoS
D. private VLANs
A

B. PortFast

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9
Q

Behavior of an access port when a tagged packet is received other than the access VLAN value.
A. ?
B. tag is removed and packet is forwarded of the VLAN mentioned in the tag
C. packet is dropped
D. tag is removed and packet is forwarded on the VLAN of the access port

A

C. packet is dropped

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10
Q

Which two statements are true about best practices in VLAN design? (Choose two)
A. Routing should occur at the access layer if voice VLANs are utilized. Otherwise, routing should occur at the distribution layer.
B. Routing may be performed at all layers but is most commonly done at the core and distribution layers.
C. Routing should not be performed between VLANs located on separate switches.
D. VLANs should be local to a switch.
E. VLANs should be localized to a single switch unless voice VLANs are being utilized.

A

B. Routing may be performed at all layers but is most commonly done at the core and distribution layers.
D. VLANs should be local to a switch.

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11
Q

A dynamic access port is member of which VLAN by default?
A. VLAN 1 is the default VLAN
B. none until the port VLAN is determined

A

B. none until the port VLAN is determined

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12
Q 
Which VLAN IDs are in the extended range? (Choose three)
A. 1006
B. 1001
C. 999
D. 4021
E. 3003
F. 99
A

A. 1006
D. 4021
E. 3003

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13
Q

Which configuration do you apply to an interface so that a host can be placed into VLAN593?

A. interface GigabitEthernet0/0.593
     encapsulation dot1q 593
     switchport access vlan 593
B. interface GigabitEthernet0/0
     switchport trunk encapsulation dot1q
     switchport trunk native vlan 593
     switchport access vlan 593
C. interface GigabitEthernet0/0
     switchport mode trunk
     switchport trunk allowed vlan 593
D. interface GigabitEthernet0/0
     switchport mode access
     switchport access vlan 593
     switchport host
A

D. interface GigabitEthernet0/0
switchport mode access
switchport access vlan 593
switchport host

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14
Q

Which two statements are true in regards to normal and extended range VLANs? (Choose two)
A. Normal range VLANs from 1-1005 are stored in vlan.dat.
B. Extended range VLANs from 1006-4096 are stored in the startup configuration.
C. Normal range VLANs from 1-1005 are stored in the startup configuration.
D. Extended range VLANs from 1006-4096 are stored in vlan.dat.
E. Both normal and extended VLANs are stored in vlan.dat file.

A

A. Normal range VLANs from 1-1005 are stored in vlan.dat.

B. Extended range VLANs from 1006-4096 are stored in the startup configuration.

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15
Q

Question about the behavior of VLAN 1 BPDUs in a situation where the native VLAN configured as VLAN 99 and the native VLAN is tagged. (Choose two)
A. Normal STP VLAN 1 BPDU travel across VLAN 99 untagged
B. PVST+ VLAN 1 BPDU travel across VLAN 99 tagged
C. Normal STP VLAN 1 BPDU travel across VLAN 1 untagged
D. PVST+ VLAN 99 BPDU travel across VLAN 99 tagged

A

B. PVST+ VLAN 1 BPDU travel across VLAN 99 tagged
D. PVST+ VLAN 99 BPDU travel across VLAN 99 tagged
(unsure about this one - Verify)

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16
Q

Which two statements about VLAN database are true? (Choose two)
A. It supports VLANs 1-1001.
B. It supports extended VLAN.
C. Information about VLANs are stored in the configuration.
D. It can have different VLANs with the same VLAN ID, but must have the same name.
E. It can be configured in VTP transparent, but must be in the VLAN database mode.

A

A. It supports VLANs 1-1001

E. It can be configured in VTP transparent, but must be in the VLAN database mode.

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17
Q 
Which two VLAN ranges can you add, modify or delete on a switch? (Choose two)
A. VLANs 1-1001
B. VLANs 1005-4094
C. VLANs 1006-4094
D. VLANs 2-1001
E. VLANs 2-4094
A

C. VLANs 1006-4094

D. VLANs 2-1001

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18
Q

Where does the VLAN information get saved to?
A. The information is saved to the vlan.dat file.
B. The information is saved to the running configuration file.
C. The information is saved to the vlan.txt file.
D. The information is saved to the vlan.conf file.

A

A. The information is saved to the vlan.dat file.

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19
Q 
Which normal VLAN range are valid and is stored in the vlan.dat configuration file?
A. VLANs 1-1005
B. VLANs 1005-2030
C. VLANs 2094-4094
D. VLANs 4094-8030
A

A. VLANs 1-1005

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20
Q 
Which extended VLAN range are valid and is stored in the startup configuration?
A. VLANs 1006-4096
B. VLANs 2006-6096
C. VLANs 1-1005
D. VLANs 1005-2060
A

A. VLANs 1006-4096

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21
Q

Which two statements about native VLANs are true? (Choose two)
A. VLAN 1 and VLAN 1001 are native VLANs by default.
B. The native VLAN is untagged over trunks.
C. The native VLAN can be changed on a per port basis.
D. Only one VLAN can be the native VLAN on a device.
E. Cisco Discovery Protocol versions 1 and 2 can carry native VLAN information.

A

B. The native VLAN is untagged over trunks.

C. The native VLAN can be changed on a per port basis.

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22
Q 
Which three of these VLANs are a valid extended VLAN? (Choose three)
A. 4095
B. 4096
C. 4094
D. 3000
E. 1006
F. 1005
A

C. 4094
D. 3000
E. 1006

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23
Q

In which place do all VLANs get stored?

A. NVRAM: vlan.xml
B. FLASH: vlan.xml
C. NVRAM: vlan.txt
D. FLASH: vlan.txt
E. NVRAM: vlan.dat
F. FLASH: vlan.dat
A

F. FLASH: vlan.dat

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24
Q 
Which file lists all of the configured VLANs on a switch?
A. flash:vlan.dat
B. nvram:vlans.xml
C. flash:vlans.txt
D. nvram:vlan.txt
E. flash.config.txt
F. flash:vlan.xml
A

A. flash:vlan.dat

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25
Q

Which two commands or combination of commands make native VLAN 99 tagged? (Choose two)
A. vlan dot1q tag native
B. vlan dot1q tag native vlan 99
C. interface fa0/1
switchport trunk native vlan 99
D. encapsulation dot1q tag native vlan 99
E. encapsulation dot1q 99 native

A

A. vlan dot1q tag native
C. interface fa0/1
switchport trunk native vlan 99

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26
Q

What does the interface subcommand “switchport voice vlan 222” indicate?
A. The port is configured for data and voice traffic.
B. The port is fully dedicated to forwarding voice traffic.
C. The port operates as an FXS telephony port.
D. Voice traffic is directed to VLAN 222.

A

A. The port is configured for data and voice traffic.
or
D. Voice traffic is directed to VLAN 222.
(Again, if this is correct - do NOT feel bad)

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27
Q

What would happen if we delete VLAN that exist on switchport?
A. Port down and use native VLAN.
B. Port down and use default VLAN.
C. Port up and use native VLAN.
D. Port up and use default VLAN.
E. Port will remain shutdown/inactive until it is assigned a new VLAN.

A

E. Port will remain shutdown/inactive until it is assigned a new VLAN

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28
Q

How to tag a native VLAN?
A. Use the ―vlan dot1q native tag‖ under interface configuration mode
B. Use the ―vlan dot1q native tag‖ under global configuration mode
C. Use the ―vlan dot1q tag native‖ under global configuration mode
D. Use the ―vlan dot1q tag native‖ under interface configuration mode

A

C. Use the ―vlan dot1q tag native‖ under global configuration mode
(Check this on your switch)

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29
Q 
What are the control protocols make use of the native VLAN 1 by default? (Choose two)
A. STP
B. NTP
C. LACP
D. VTP
E. CDP
F. UDLD
A

D. VTP

E. CDP

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30
Q

How can you mitigate attacks in which the attacker attaches more than one VLAN tag to a packet?
A. Disable EtherChannel.
B. Enable transparent VTP on the switch.
C. Explicitly identify each VLAN allowed across the trunk.
D. Assign an access VLAN to every active port on the switch.

A

C. Explicitly identify each VLAN allowed across the trunk

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31
Q 
Which three VLANs are part of the extended range of available VLANs? (Choose three)
A. 1006 
B. 4095 
C. 4195 
D. 3000 
E. 4094 
F. 1001
A

A. 1006
D. 3000
E. 4094

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32
Q 
Which two commands enable you to determine the native VLAN that is configured on an interface? (Choose two)
A. show interface status 
B. show interfaces 
C. show interface trunk 
D. show running-config 
E. show interface brief
A

C. show interface trunk

D. show running-config

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33
Q 
Which two commands do you enter to add VLAN 20 on a switch VLAN configuration file? (Choose two) (Or How to add VLAN 20 on switch VLAN configuration file?)
A. switchport trunk native vlan 20 
B. switchport access vlan 20 
C. vlan 20
D. switchport trunk allowed vlan 20 
E. encapsulation dot1q 20
A

B. switchport access vlan 20

C. vlan 20

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34
Q 
How many VLANs can be assigned to a user access port configured for VoIP?
A. 1 
B. 2 
C. 3 
D. unlimited
A

B. 2

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35
Q

Which two statements about normal-range VLANs are true? (Choose two)
A. You can delete VLANs 1002 through 1005 in transparent mode only.
B. The vlan dat file is stored in RAM and copied to the NVRAM when you save the configuration.
C. Configurations are saved in the vlan.dat file.
D. You can add, modify, and remove configurations in VTP server mode and VTP client

A

C. Configurations are saved in the vlan.dat file.

E. You can add VLANs in VTP server mode.

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36
Q

Which three statements about extended VLANs are true? (Choose three)
A. The lowest extended VLAN number is 1006.
B. The lowest extended VLAN number is 1002.
C. Any VLAN ID can be used as an extended VLAN.
D. They are recognized only by VTP version 3.
E. They are propagated by VTP by default.
F. They require the extended system ID to be enabled on the device.

A

A. The lowest extended VLAN number is 1006.
D. They are recognized only by VTP version 3.
F. They require the extended system ID to be enabled on the device.

37
Q

Which two statements about native VLANs are true? (Choose two)
A. All outgoing traffic without a VLAN tag is tagged with the native VLAN.
B. All untagged traffic that arrives on the device is placed into the native VLAN.
C. The VLAN tag is stripped from all incoming traffic that matches the native VLAN.
D. They are propagated through VTP.
E. The default native VLAN is VLAN 11.
F. All incoming traffic that matches the native VLAN is dropped at the switch.

A

B. All untagged traffic that arrives on the device is placed into the native VLAN.
D. They are propagated through VTP.

38
Q 
Which protocol is used to propagate voice VLANs to a Cisco phone?
A. DTMF 
B. SKINNY 
C. SIP 
D. LLDP 
E. Cisco Discovery Protocol
A

E. Cisco Discovery Protocol

39
Q 
Which two control protocols use the native VLAN 1 by default? (Choose two)
A. CDP 
B. VTP 
C. NTP 
D. LACP 
E. STP
A

A. CDP

B. VTP

40
Q

-SW-1#sh logging
-%SPANTREE-SP-2-RECV_PVID_ERR: Received BPDU with inconsistent peer
-Vlan id 1 on GigabitEthernet1/2 VLAN2013.
-%SPANTREE-SP-2-BLOCK_PVID_PEER: Blocking GigabitEthernet1/2 on VLAN0001. Inconsistent peer vlan.
———————————–
A multilayer switch has been configured to send and receive encapsulated and tagged frames. VLAN 2013 on the multilayer switch is configured as the native VLAN. Which option is the cause of the spanning-tree error?
A. VLAN spanning-tree in SW-2 is configured.
B. spanning-tree bpdu-filter is enabled.
C. 802.1q trunks are on both sides, both with native VLAN mismatch.
D. VLAN ID 1 should not be used for management traffic because its unsafe.

A

C. 802.1q trunks are on both sides, both with native VLAN mismatch.

41
Q 
------------------------
3512xl(config)#int fastEthernet 0/1 
3512xl(config-if)#switchport mode trunk
3512xl(config-if)#switchport trunk encapsulation dot1q
------------------------
How many bytes are added to each frame as a result of the configuration?
A. 4-bytes except the native VLAN 
B. 8-bytes except the native VLAN 
C. 4-bytes including native VLAN 
D. 8-bytes including native VLAN
A

A. 4-bytes except the native VLAN

42
Q

A network engineer must implement Ethernet links that are capable of transporting frames and IP traffic for different broadcast domains that are mutually isolated. Consider that this is a multivendor environment. Which Cisco IOS switching feature can be used to achieve the task?
A. PPP encapsulation with a virtual template
B. Link Aggregation Protocol at the access layer
C. dot1q VLAN trunking
D. Inter-Switch Link

A

C. dot1q VLAN trunking

43
Q 
Which technique allows specific VLANs to be strictly permitted by the administrator?
A. VTP pruning
B. transparent bridging
C. trunk allowed VLANs
D. VLAN access-list
E. L2P tunneling
A

C. trunk allowed VLANs

44
Q

For security reasons, the IT manager has prohibited users from dynamically establishing trunks with their associated upstream switch. Which two actions can prevent interface trunking? (Choose two)
A. Configure trunk and access interfaces manually.
B. Disable DTP on a per interface basis.
C. Apply BPDU guard and BPDU filter.
D. Enable switchport block on access ports.

A

A. Configure trunk and access interfaces manually.

B. Disable DTP on a per interface basis.

45
Q 
Which two protocols can be automatically negotiated between switches for trunking? (Choose two)
A. PPP
B. DTP
C. ISL
D. HDLC
E. DLCI
F. DOT1Q
A

C. ISL

F. DOT1Q

46
Q

The network manager has requested that several new VLANs (VLAN 10, 20, and 30) are allowed to traverse the switch trunk interface. After the command ―switchport trunk allowed vlan 10,20,30 is issued, all other existing VLANs no longer pass traffic over the trunk. What is the root cause of the problem?
A. The command effectively removed all other working VLANs and replaced them with the new VLANs.
B. VTP pruning removed all unused VLANs.
C. ISL was unable to encapsulate more than the already permitted VLANs across the trunk.
D. Allowing additional VLANs across the trunk introduced a loop in the network.

A

A. The command effectively removed all other working VLANs and replaced them with the new VLANs.

47
Q 
A manager tells the network engineer to permit only certain VLANs across a specific trunk interface. Which option can be configured to accomplish this?
A. allowed VLAN list
B. VTP pruning
C. VACL
D. L2P tunneling
A

A. allowed VLAN list

48
Q

Which command is used to verify trunk native VLANs?
A. show access ports
B. show interfaces trunk
C. show ip interface brief

A

B. show interfaces trunk

49
Q

Which two statements about 802.1 q are true? (Choose two)
A. It supports 8-byte VLAN identifiers.
B. It adds a 32-bit field to the Ethernet frame between the source MAC address and length.
C. When it is enabled, it forces a recalculation of the frame-check sequence field.
D. It increases the maximum size of an Ethernet frame to 1594 bytes.
E. It encapsulates the original Ethernet frame and adds a VLAN identifier.
F. It is a Cisco proprietary protocol.

A

B. It adds a 32-bit field to the Ethernet frame between the source MAC address and length.
C. When it is enabled, it forces a recalculation of the frame-check sequence field.

50
Q 
Which option is the minimum frame size for an 802.1Q frame?
A. 64 bytes
B. 68 bytes
C. 1518 bytes
D. 1522 bytes
A

B. 68 bytes

51
Q 
Which option is the maximum frame size for an 802.1Q frame?
A. 64 bytes
B. 68 bytes
C. 1518 bytes
D. 1522 bytes
A

D. 1522 bytes

52
Q

EXHIBIT – switchport trunk allowed vlan 1,80,99-250
Which two commands will remove VLAN 100 from the allowed VLAN list? (Choose two)
A. switchport trunk allowed vlan remove 100
B. switchport trunk allowed vlan 1-80,99,101-250
C. switchport trunk allowed vlan except vlan 100

A

A. switchport trunk allowed vlan remove 100

B. switchport trunk allowed vlan 1-80,99,101-250

53
Q 
What is the value of the TPID/tag protocol identifier of QinQ?
A. 0x88a8
B. 0x8100
C. 0x8b45
D. 0x8200
A

A. 0x88a8

54
Q 
What is the value of the TPID/tag protocol identifier in dot1Q?
A. 0x8100
B. 0x8a88
C. 0x8b45
D. 0x8200
A

A. 0x8100

55
Q

Which two commands are used to remove VLAN 55 from the trunk port? (Choose two)
A. switchport trunk allowed vlan add 3, remove 55
B. switchport trunk allowed vlan remove 55
C. switchport trunk allowed vlan except 55

A

B. switchport trunk allowed vlan remove 55

C. switchport trunk allowed vlan except 55

56
Q

!—————-
interface GigabitEthernet2/0/1
switchport access vlan 700
switchport trunk allowed vlan 200,300,700
switchport mode trunk
end
!——————
Refer to the exhibit. Which statement about the current configuration on port GigabitEthernet2/0/1 is true?
A. It is an access port configured for a phone and a PC
B. It is a trunk port and the native VLAN is VLAN1
C. It is a trunk port and the native VLAN is VLAN 700
D. It is an access port in VLAN 700

A

B. It is a trunk port and the native VLAN is VLAN1

57
Q

A switch has been configured with the vlan dot1q tag native command. Which statement describes what the switch does with untagged frames that it receive?
A. Untagged frames are forwarded via the default VLAN
B. It drops the untagged frames
C. The trunked port is put in err-disable state
D. Untagged frames are forwarded via the native VLAN

A

B. It drops the untagged frames

I dont know about this one Tommy…

58
Q 
Which two DTP negotiated interface mode combinations negotiate to form an access port? (Choose two)
A. Dynamic desirable and Dynamic Auto
B. Dynamic Desirable and access
C. Dynamic auto and Dynamic auto
D. Nonegotiate and trunk
E. Dynamic auto and trunk
A

B. Dynamic Desirable and access

C. Dynamic auto and Dynamic auto

59
Q

Which two configurations can you apply to a port so that it tags traffic with VLAN 915?
(Choose two)?

B.
interface GigabitEthernet0/0
switchport mode trunk
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 915
D.
interface GigabitEthernet0/0.915
encapsulation dot1q 915
A 
B.
interface GigabitEthernet0/0
switchport mode trunk
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 915
D.
interface GigabitEthernet0/0.915
encapsulation dot1q 915
60
Q 
How can you set VLAN 99 on a trunk to become a native VLAN?
A. switchport trunk native vlan 99
B. switchport trunk vlan 99 native
C. switchport native vlan 99 trunk
D. switchport native trunk vlan 99
E. switchport vlan 99 native
F. switchport vlan native trunk 99
A

A. switchport trunk native vlan 99

61
Q 
If VLAN 99 is set to trunk, how can you set it to untagged from trunk VLAN 99?
A. switchport access vlan 99
B. switchport vlan 99 access
C. switchport vlan 99 allow access
D. switchport allow access vlan 99
A

A. switchport access vlan 99

62
Q

Which command configures VLAN 99 as an untagged VLAN on a trunk?
A. switchport access vlan 99
B. switchport trunk pruning vlan except 99
C. switchport trunk allowed vlan 99
D. switchport trunk native vlan 99

A

D. switchport trunk native vlan 99

63
Q

switchport trunk allowed vlan 81-97,99-121
—-
How can you remove vlan 100 from the allowed vlan list? (Choose two)
A. switchport trunk allowed vlan 81-121 remove 98,100
B. switchport trunk allowed vlan remove 100
C. switchport trunk allowed vlan 81-97,99,101-121

A

B. switchport trunk allowed vlan remove 100

C. switchport trunk allowed vlan 81-97,99,101-121

64
Q

Refer to the output below. Which two effects of this configuration are true? (Choose two)
!
interface GigabrtEthernet1/1
description to Accounting Floor A1460-516
switchportswitchport trunk encapsulation dotlq
switchport trunk allowed vlan 2,4,6,8
switchport trunk native vlan 2
switchport mode trunk
end
!
A. The device adds an 8-byte VLAN tag to data to VLAN 2.
B. Data on VLAN 2 remains untagged.
C. Data on VLANs 4,6, and 8 remains untagged.
D. The device adds a 4-byte VLAN tag to data on VLAN 2 only.
E. The switch adds a 4-byte VLAN tag to data on VLANs 4, 6 and 8.

A

B. Data on VLAN 2 remains untagged.

E. The switch adds a 4-byte VLAN tag to data on VLANs 4, 6 and 8.

65
Q

Which statement describes what a port that is configured as an access port does if it receives an 802.1Q tagged frame?
A. It drops the frame
B. It passes the frame on to the VLAN that the frame is tagged for.
C. It err-disables the port.
D. It removes the tag and forwards the frame in the VLAN assigned to the port

A

A. It drops the frame

66
Q

Which two requirements for dot1q trunking in IOS are true? (Choose two)
A. the native VLAN must have the same number on each side of the link
B. Spanning-tree PortFast must be enabled
C. The encapsulation protocol must be the same on each end of the trunk
D. MST must be running if extended VLANs are in use
E. ISL must be enabled on the same link

A

A. the native VLAN must have the same number on each side of the link
C. The encapsulation protocol must be the same on each end of the trunk

67
Q

Which two statements about 802.1Q are true? (Choose two)
A. The header is found within the Ethernet trailer.
B. Each frame contains a 12-byte VLAN identifier field.
C. When it is enabled, the minimum Ethernet frame size is 68 bytes.
D. It inserts a 4-bytes tag field to the Ethernet frame.
E. Trunking devices add an 8-byte VLAN tag to all VLAN packets.

A

C. When it is enabled, the minimum Ethernet frame size is 68 bytes.
D. It inserts a 4-bytes tag field to the Ethernet frame.

68
Q

Several new switches have been added to the existing network as VTP clients. All of the new switches have been configured with the same VTP domain, password, and version. However, VLANs are not passing from the VTP server (existing network) to the VTP clients.
What must be done to fix this?

A. Remove the VTP domain name from all switches with “null” and then replace it with the
new domain name.
B. Configure a different native VLAN on all new switches that are configured as VTP clients.
C. Provision one of the new switches to be the VTP server and duplicate information from
the existing network.
D. Ensure that all switch interconnects are configured as trunks to allow VTP information to
be transferred.

A

D. Ensure that all switch interconnects are configured as trunks to allow VTP information to
be transferred.

69
Q

After implementing VTP, the extended VLANs are not being propagated to other VTP switches. What should be configured for extended VLANs?
A. VTP does not support extended VLANs and should be manually added to all switches.
B. Enable VTP version 3, which supports extended VLAN propagation.
C. VTP authentication is required when using extended VLANs because of their ability to
cause network instability.
D. Ensure that all switches run the same Cisco IOS version. Extended VLANs will not
propagate to different IOS versions when extended VLANs are in use.

A

B. Enable VTP version 3, which supports extended VLAN propagation.

70
Q 
Which technique automatically limits VLAN traffic to only the switches that require it?
A. access lists
B. DTP in nonegotiate
C. VTP pruning
D. PBR
A

C. VTP pruning

71
Q

Switch A, B, and C are trunked together and have been properly configured for VTP. Switch
C receives VLAN information from the VTP server Switch A, but Switch B does not receive
any VLAN information. What is the most probable cause of this behavior?
A. Switch B is configured in transparent mode.
B. Switch B is configured with an access port to Switch A, while Switch C is configured with
a trunk port to Switch B.
C. The VTP revision number of the Switch B is higher than that of Switch A.
D. The trunk between Switch A and Switch B is misconfigured.

A

A. Switch B is configured in transparent mode.

72
Q

A network is running VTPv2. After verifying all VTP settings, the network engineer notices that the new switch is not receiving the list of VLANs from the server. Which action resolves this problem?
A. Reload the new switch.
B. Restart the VTP process on the new switch.
C. Reload the VTP server.
D. Verify connected trunk ports.

A

D. Verify connected trunk ports.

73
Q

After configuring new data VLANs 1020 through 1030 on the VTP server, a network engineer notices that none of the VTP clients are receiving the updates. What is the problem?
A. The VTP server must be reloaded.
B. The VTP version number must be set to version 3.
C. After each update to the VTP server, it takes up to 4 hours propagate.
D. VTP must be stopped and restarted on the server.
E. Another switch in the domain has a higher revision number than the server.

A

B. The VTP version number must be set to version 3.

74
Q

A network engineer is extending a LAN segment between two geographically separated data centers. Which enhancement to a spanning-tree design prevents unnecessary traffic from crossing the extended LAN segment?
A. Modify the spanning-tree priorities to dictate the traffic flow.
B. Create a Layer 3 transit VLAN to segment the traffic between the sites.
C. Use VTP pruning on the trunk interfaces.
D. Configure manual trunk pruning between the two locations.

A

C. Use VTP pruning on the trunk interfaces.

75
Q 
When you design a switched network using VTPv2, how many VLANs can be used to carry
user traffic?
A. 1000
B. 1001
C. 1024
D. 2048
E. 4095
F. 4096
A

B. 1001

76
Q

A new network that consists of several switches has been connected together via trunking interfaces. If all switches currently have the default VTP domain name “null”, which statement describes what happens when a domain name is configured on one of the switches?
A. The switch with the non-default domain name restores back to ―null‖ upon reboot.
B. Switches with higher revision numbers does not accept the new domain name.
C. VTP summary advertisements are sent out of all ports with the new domain name.
D. All other switches with the default domain name become VTP clients.

A

C. VTP summary advertisements are sent out of all ports with the new domain name.

77
Q

Which VTP mode is needed to configure an extended VLAN, when a switch is configured to use VTP versions 1 or 2?
A. transparent
B. client
C. server
D. Extended VLANs are only supported in version 3 and not in versions 1 or 2.

A

A. transparent

78
Q 
Which VLAN range is eligible to be pruned when a network engineer enables VTP pruning on a switch?
A. VLANs 1-1001
B. VLANs 1-4094
C. VLANs 2-1001
D. VLANs 2-4094
A

C. VLANs 2-1001

79
Q 
Which feature must be enabled to eliminate the broadcasting of all unknown traffic to switches that are not participating in the specific VLAN?
A. VTP pruning
B. port-security
C. storm control
D. bpdguard
A

A. VTP pruning

80
Q

Which action allows a network engineer to limit a default VLAN from being propagated across all trunks?
A. Upgrade to VTP version 3 for advanced feature set support.
B. Enable VTP pruning on the VTP server.
C. Manually prune default VLAN with switchport trunk allowed vlans remove.
D. Use trunk pruning vlan 1.

A

C. Manually prune default VLAN with switchport trunk allowed vlans remove.

81
Q

A network administrator configures 10 extended VLANs ranging from VLANs 3051 to 3060 in an enterprise network. Which version of VTP supports these extended VLANs?
A. version 1
B. version 2
C. version 3
D. VTP does not recognize extended VLANs.

A

C. version 3

82
Q

When a Cisco Catalyst switch that is configured in VTP server mode is first booted, which 2 VLAN ranges are loaded on the switch?
A. All VLANs are in the VLAN database
B. VLANs greater than 1005 in the startup-config file
C. The first 1005 VLANs in the VLAN database file
D. The first 1005 VLANs in the startup-config file
E. VLANs greater than 1005 in the VLAN database file

A

B. VLANs greater than 1005 in the startup-config file
C. The first 1005 VLANs in the VLAN database file
BE CAREFUL WITH THIS ONE
SUSPECT THAT ITS NOT A

83
Q

Which two options are advantages of deploying VTPv3? (Choose two)
A. It stores the VTP domain password securely as a SHA-1 hash
B. It adds an FCS field at the end of each VTP frame for consistency checking
C. It supports the propagation of private VLANs
D. It supports the use of AES to encrypt VTP messaging
E. It can be configured to allow only one VTP server to make changes to the VTP domain

A

C. It supports the propagation of private VLANs

E. It can be configured to allow only one VTP server to make changes to the VTP domain

84
Q 
To provide security, a service provider various private VLANs in its backbone network infrastructure to prevent certain VLANs communicating to each other. Which version of VTP supports the use of private VLANs?
A. version 1
B. version 3
C. VTP does not support private VLANs
D. version 2
A

B. version 3

85
Q

What action should a network administrator take to enable VTP pruning on an entire management domain?
A. Enable VTP pruning on any switch in the management domain.
B. Enable VTP pruning on any client switch in the management domain.
C. Enable VTP pruning on a VTP server in the management domain.
D. Enable VTP pruning on every switch in the management domain.
E. Disable VTP pruning on a VTP server in the management domain.

A

C. Enable VTP pruning on a VTP server in the management domain.

86
Q

Which statement about the VTPv2 is true?
A. It supports the use of multiple instances
B. It propagates VLANs 1-1005 only
C. It can be enabled on a per-port basis
D. It performs consistency checks only when new VLAN information is obtained from a VTP message or when information is read from NVRAM
E. It can be enabled on a per-interface basis

A

B. It propagates VLANs 1-1005 only

87
Q

Which two statements about extended-range VLANs are true? (Choose two)
A. Created in VTP server mode in VTP version 3.
B. Created when switch is in VTP server mode.
C. They support pruning.
D. VTP version 3 stores extended-range VLAN in VLAN database.
E. VTP version 1 and 2 stores extended-range VLAN in VLAN database.

A

A. Created in VTP server mode in VTP version 3.

D. VTP version 3 stores extended-range VLAN in VLAN database.

88
Q

Which two statements about VTP modes are true? (Choose two)
A. Private VLANs are supported on devices that run VTP version 2 in transparent mode
B. Extended VLANs are supported only on devices that run VTP version 3 in server mode
C. When VTP pruning is enabled on a VTP server, it is enabled for the entire management domain
D. Extended VLANs are supported only on devices that run VTP version 3 in client mode
E. Private VLANs are supported on devices that run any version of VTP in server mode

A

A. Private VLANs are supported on devices that run VTP version 2 in transparent mode
C. When VTP pruning is enabled on a VTP server, it is enabled for the entire management domain

89
Q

Which three new features of VTPv3 are true? (Choose three)
A. It offers better administrative control over which device is allowed to update other devices view of VLAN topology.
B. Unintended and disruptive changes are reduced and availability has increased.
C. The functionality of the VLAN environment has been expanded.
D. It supports up to VLAN range of 2094.
E. The functionality of the VLAN environment has reduced for improvement.

A

A. It offers better administrative control over which device is allowed to update other devices view of VLAN topology.
B. Unintended and disruptive changes are reduced and availability has increased.
C. The functionality of the VLAN environment has been expanded.

NP (21 decks)

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