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单选题
You are assigning VLANs to the ports of switch R1. What VLAN number value is an assigned tothe default VLAN？（）
A
VLAN 1003
B
VLAN 1
C
VLAN ON
D
VLAN A
E
VLAN 0
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A Ezonexam switch is configured with all ports assigned to VLAN 2. In addition, all ports are configured as full-duplex FastEthernet. What is the effect of adding switch ports to a new VLAN on this switch?A．The additions will create more collisions domains.B．IP address utilization will be more efficient.C．More bandwidth will be required than was needed previously.D．An additional broadcast domain will be created.E．The possibility that switching loops will occur will increase dramatically.
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What is the purpose of the cisco Vlan Trunking protocol?()
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Refer to the exhibit A frame on vlan 1 on switch s1 is sent to switch s2 when the frame is received on vlan 2,what causes this behavior?()
A.trunk mode mismatchesB.vlans that do not correspond to a unique IP subnetC.native vlan mismatchesD.allowing only vlan 2 on the destination.
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A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?（）A、More collision domains will be created.B、IP address utilization will be more efficient.C、More bandwidth will be required than was needed previously.D、An additional broadcast domain will be created.
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You are assigning VLANs to the ports of switch R1. What VLAN number value is an assigned tothe default VLAN？（）A、VLAN 1003B、VLAN 1C、VLAN OND、VLAN AE、VLAN 0
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Which two statements are true about voice VLANs？（）A、Voice VLANs are only used when connecting an IP phone and a host to distinct switch portsB、Access ports that are configured with voice VLANs will always trust the CoS that is received from IP phonesC、Access ports that are configured with voice VLANs may or may not override the CoS value that is received from an IP phoneD、Voice VLANs are configured using the switchport voice vlan vlan-ID interface configuration commandE、Voice VLANs provide a trunking interface between an IP phone and an access port on a switch to allow traffic from multiple devices that are connected to the portF、Enabling Voice VLAN on a switch port will automatically configure the port to trust the incoming CoS markings
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You have a trunk link operating between two switches and you’re experiencing problems withframes leaking between the two VLANs. Each switch has identical modules， software revisionsand VLAN configuration information. Spanning tree protocol is disabled on all VLANs. What isprobably causing this problem？（）A、The link is using IEEE 802.1Q protocolB、The link is using IEEE 802.1E protocolC、Spanning tree is disabledD、Not enough information to determineE、The native VLAN information is identical at each end of the linkF、The native VLAN information is different at each end of the link
考题
What are some of the characteristics of a typical VLAN arrangement?（）A、VLANs logically divide a switch into multiple, independent switches at Layer 2.B、Trunk links can carry traffic for multiple VLANs.C、VLAN implementation significantly increases traffic due to added trunking information.D、A VLAN can span multiple switches.E、VLANs typically increase the number of switches neededF、VLANs typically decrease the number of switches needed
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You are troubleshooting a Catalyst 5000 trunk in the network. What should you do if there’s adisagreement about the VLANs configured to use the trunk？（）A、Reload the active VLAN configurationB、Clear the affected port and bring it up againC、Explicitly set the trunk for the VLAN to be onD、Remove all the VLANs set
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考题
Given the output of the Floor3 switch, what statement describes the operation of this switch（）。A、VTP is disabled on this switch.B、The switch can create, change, and delete VLANs.C、The switch learns VLAN information but does not save it to NVRAM.D、The switch can create VLANs locally but will not forward this information to other switches.E、The switch learns VLAN information and updates the local VLAN data base in NVRAM.
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You have just created a new VLAN on your network. What is one step that you should include in your VLAN-based implementation and verification plan？ （）A、Verify that trunked links are configured to allow the VLAN traffic.B、Verify that the switch is configured to allow for trunking on the switch ports.C、Verify that each switch port has the correct IP address space assigned to it for the new VLAN.D、Verify that different native VLANs exist between two switches for security purposes.
考题
Refer to the exhibit A frame on vlan 1on switch s1 is sent to switch s2 when the frame is received on vlan 2,what causes this behavior?（）A、trunk mode mismatchesB、vlans that do not correspond to a unique IP subnetC、native vlan mismatchesD、allowing only vlan 2 on the destination.
考题
Switch R1 is configured to use the VLAN Trunking Protocol （VTP）. What does R1 advertise in its VTP domain？（）A、The VLAN ID of all known VLANs，the management domain name，and the total number of trunk links on the switch.B、The VLAN ID of all known VLANs，a 1-bit canonical format （CF1 Indicator），and the switch configuration revision number.C、The management domain name，the switch configuration revision number，the known VLANs， and their specific parameters.D、A 2-byte TPID with a fixed value of 0x8100 for the management domain number，the switch configuration revision number，the known VLANs，and their specific parameters.E、None of the other alternatives apply.
考题
What is the purpose of the cisco Vlan Trunking protocol?（）A、to provide a mechanism to dynamically assign vlan membership to switch portsB、to allow traffic to be carried from multiple vlans over a single link between switchesC、to allow native vlan information to be carried over a trunk linkD、to provide a mechanism to manually assign vlan membership to switch portsE、to allow for managing the additions,deletions,and changes of vlans between switchs
考题
单选题Refer to the exhibit A frame on vlan 1 on switch s1 is sent to switch s2 when the frame is received on vlan 2,what causes this behavior?（）A
trunk mode mismatchesB
vlans that do not correspond to a unique IP subnetC
native vlan mismatchesD
allowing only vlan 2 on the destination.
考题
单选题Refer to the exhibit.All switch ports are assigned to the correct VLANs, but none of the hosts connected to SwitchA can communicate with hosts in the same VLAN connected to SwitchB. Based on the output shown, what is the most likely problem?（）A
The access link needs to be configured in multiple VLANs.B
The link between the switches is configured in the wrong VLAN.C
The link between the switches needs to be configured as a trunk.D
VTP is not configured to carry VLAN information between the switches.E
Switch IP addresses must be configured in order for traffic to be forwarded between the switches
考题
单选题You are planning a new VLAN-based network solution. What is one item you should consider when creating your implementation plan as it concerns VLANs？（）A
generic router and switch configuration parametersB
end-to-end test plan after all components have been installed and configuredC
administrator assignmentsD
rollback plan
考题
多选题You have configured voice VLANs on Catalyst switch R1. Which two statements are true about the operation of voice VLANs on this device？ （）AWhen the voice VLAN feature is enabled， all untagged traffic is sent according to the default CoS priority of the port.BEnabling voice VLANs enables the switch to create multiple queues for traffic that is entering a port.CWhen voice VLANs are configured on a trunk link， UplinkFast must also be enabled.DVoice VLANs are configured to enable the switch to forward frames marked with the proper CoS values over separate physical links.EEnabling voice VLANs enables the switch to forward frames with a specific 802.1P marking.
考题
单选题A company has a small network，consisting of a single switch and a single router.The switch has beenconfigured with two vlans，and route-on-a-stick is being configured on the router for inter-vlan routing.Atrunk is configured to connect the switch to the router.What is the minimum number of router subinterfacesthat are required for all the vlans to communicate？（）A
oneB
threeC
twoD
zero
考题
单选题Given the output of the Floor3 switch, what statement describes the operation of this switch（）。A
VTP is disabled on this switch.B
The switch can create, change, and delete VLANs.C
The switch learns VLAN information but does not save it to NVRAM.D
The switch can create VLANs locally but will not forward this information to other switches.E
The switch learns VLAN information and updates the local VLAN data base in NVRAM.
考题
单选题You are implementing basic switch security best practices. Which of these is a tactic that you can use to mitigate compromises from being launched through the switch？（）A
Make all ports private VLAN ports.B
Place all unused ports in native VLAN 1 until needed.C
Proactively configure unused switch ports as access ports.D
Disable Cisco Discovery Protocol globally.
考题
单选题You have just created a new VLAN on your network for inter-VLAN routing. What is one step that you should include in your VLAN-based implementation and verification plan？（）A
Verify that different native VLANs exist between two switches for security purposes.B
Verify that the switch is configured to allow for trunking on the switch ports.C
Verify that each switch port has the proper IP address space assigned to it for the new VLAN. D
Verify that the VLAN virtual interface has been correctly created and enabled.
考题
单选题You have just created a new VLAN on your network. What is one step that you should include in your VLAN based implementation and verification plan？ （）A
Verify that different native VLANs exist between two switches for security purposes.B
Verify that the VLAN was added on all switches with the use of the show vlan command. C
Verify that the switch is configured to allow for trunking on the switch ports.D
Verify that each switch port has the correct IP address space assigned to it for the new VLAN.
考题
多选题Which two statements are true about voice VLANs？（）AVoice VLANs are only used when connecting an IP phone and a host to distinct switch portsBAccess ports that are configured with voice VLANs will always trust the CoS that is received from IP phonesCAccess ports that are configured with voice VLANs may or may not override the CoS value that is received from an IP phoneDVoice VLANs are configured using the switchport voice vlan vlan-ID interface configuration commandEVoice VLANs provide a trunking interface between an IP phone and an access port on a switch to allow traffic from multiple devices that are connected to the portFEnabling Voice VLAN on a switch port will automatically configure the port to trust the incoming CoS markings
考题
单选题A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?（）A
More collision domains will be created.B
IP address utilization will be more efficient.C
More bandwidth will be required than was needed previously.D
An additional broadcast domain will be created.
考题
单选题What is the purpose of the cisco Vlan Trunking protocol?（）A
to provide a mechanism to dynamically assign vlan membership to switch portsB
to allow traffic to be carried from multiple vlans over a single link between switchesC
to allow native vlan information to be carried over a trunk linkD
to provide a mechanism to manually assign vlan membership to switch portsE
to allow for managing the additions,deletions,and changes of vlans between switchs
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