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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 ports
B
to allow traffic to be carried from multiple vlans over a single link between switches
C
to allow native vlan information to be carried over a trunk link
D
to provide a mechanism to manually assign vlan membership to switch ports
E
to allow for managing the additions,deletions,and changes of vlans between switchs
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You need to decide on which trunking method to implement in the Ezonexam network. What is a characteristic of ISL and 802.1q frame. tagging in a switched LAN environment?A．They are used to find the best path through a network.B．They allow the exchange of filtering tables.C．They specify different implementations of the Spanning-Tree Protocol.D．They allow the exchange of routing tablesE．They provide inter-switch VLAN communication.
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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
Which statements about 802.1Q trunking in Secure Network Foundation Design Guide for Single Site Deployments are correct？（）A、The Cisco Control VLAN carries only Layer 2 control trafficB、802.1Q trunking is used between the access switch and the routerC、There is no 802.1Q trunking used in these designsD、When 802.1Q trunks are configured， they are also called Native VLANsE、Trunking Ensures that traffic from only one VLAN is carried on that trunk
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The Cisco MDS 9000 Series Multilayer SAN Switches can help lower the total cost of ownership of the most demanding storage environments. By combining a robust and flexible hardware architecture with multiple layers of network and storage-management intelligence, the Cisco MDS 9000 Series helps you build highly available, scalable storage networks with advanced security and unified management.What method does the Cisco MDS 9000 Series use to support trunking?（）A、ISLB、VLAN TrunkC、VoQD、Enhanced ISL
考题
Which four Cisco priority Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning Tree？ （）A、 PortFastB、 UplinkFastC、 loop guardD、 root guardE、 BPDU guardF、 BackboneFast
考题
A new Company switch was just configured using the "switchport trunk native vlan 7" command. What does this interface command accomplish？（）A、 Causes the interface to apply ISL framing for traffic on VLAN 7B、 Configures the trunking interface to forward traffic from VLAN 7C、 Configures the interface to be a trunking port and causes traffic on VLAN 7 to be 802.1q taggedD、 Configures the trunking interface to send traffic from VLAN 7 untaggedE、 None of the other alternatives apply
考题
What is the effect of applying the switchport trunk encapsulation dot1q command to a port on a Cisco Catalyst switch？（）A、By default， native VLAN packets going out this port will be tagged.B、Without an encapsulation command， 802.1Q will be the default encapsulation if DTP fails to negotiate a trunking protocol.C、The interface will support the reception of tagged and untagged traffic.D、If the device connected to this port is not 802.1Q-enabled， it will not be able to handle 802.1Q packets.
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You have configured a Cisco Catalyst switch to perform Layer 3 routing via an SVI and have assigned that interface to VLAN 20. To check the status of the SVI， you issue the show interfaces vlan 20 command at the CLI prompt. You see from the output display that the interface is in an "up/up" state. What must be true in an SVI configuration to bring the VLAN and line protocol up？（）A、The port must be physically connected to another Layer 3 device.B、At least one port in VLAN 20 must be active.C、The Layer 3 routing protocol must be operational and receiving routing updates from neighboring peer devices.D、Because this is a virtual interface， the operational status will always be in an "up/up" state.
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On a Cisco Nexus 7000 Series Switch， what is the purpose of this command？（） switch# config terminal switch（config）# mac address-table learning-mode conversational vlan 1-10 switch（config）# A、 Enable conversational learning on FabricPath vlans 1-10 for F-Series moduleB、 Enable FabricPath protocol on VLANs 1–10C、 No need for this command as conversational learning is enabled by default for all VLANs.D、 Enable conversational learning on Classical Ethernet VLAN for F-Series module
考题
Which three of these statements about Dynamic Trunking Protocol are correct？（）A、It supports autonegotiation for both ISL and IEEE 802.1Q trunks.B、It must be disabled on an interface if you do not want the interface to work as a trunk or start negotiation to become a trunk.C、It is a point-to-multipoint protocol.D、It is a point-to-point protocol.E、It is not supported on private VLAN ports or tunneling ports.
考题
Which protocol provides a method of sharing VLAN configuration information between two Cisco switch？（）A、VTPB、802.1QC、RSTPD、STP
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What protocol does an IP phone use to learn the voice VLAN ID it should use for voice traffic？（）A、VTPB、802.1 qC、CDPD、Skinny Station Protocol
考题
Which two of these are characteristics of the 802.1Q protocol?（）A、it is a layer 2 messaging protocol which maintains vlan configurations across network.B、it includes an 8-bit field which specifies the priority of a frame.C、it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.D、it modifies the 802.3 frame header,and thus requires that the FCS be recomputed.E、it is a trunking protocol capable of carring untagged frames.
考题
Which three things are the building blocks of the Cisco VPLS architecture？（）A、VLAN Trunk Protocol （VTP）B、State Synchronization Protocol （SSP）C、L2VPND、Ethernet Virtual Switch Interface （VSI）E、Label Distribution Protocol （LDP）
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
Which two statements about the various implementations of STP are true？（）A、mon Spanning Tree maintains a separate spanning-tree instance for each VLAN configured in the network.B、The Spanning Tree Protocol （STP） is an evolution of the IEEE 802.1w standard.C、Per-VLAN Spanning Tree （PVST） supports 802.1Q trunking.D、Per-VLAN Spanning Tree Plus（PVST+） is an enhancement to 802.1Q specification and is supported only on Cisco devices.E、Rapid Spanning Tree Protocol （RSTP） includes features equivalent to Cisco PortFast， UplinkFast， and BackboneFast for faster network reconvergence.F、Multiple Spanning Tree （MST） assumes one spanning-tree instance for the entire Layer 2 network， regardless of the multiple number of VLANs
考题
单选题A new Company switch was just configured using the "switchport trunk native vlan 7" command. What does this interface command accomplish？（）A
Causes the interface to apply ISL framing for traffic on VLAN 7B
Configures the trunking interface to forward traffic from VLAN 7C
Configures the interface to be a trunking port and causes traffic on VLAN 7 to be 802.1q taggedD
Configures the trunking interface to send traffic from VLAN 7 untaggedE
None of the other alternatives apply
考题
多选题Which four Cisco priority Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning Tree？ （）APortFastBUplinkFastCloop guardDroot guardEBPDU guardFBackboneFast
考题
单选题What protocol does an IP phone use to learn the voice VLAN ID it should use for voice traffic？（）A
VTPB
802.1 qC
CDPD
Skinny Station Protocol
考题
单选题The Cisco MDS 9000 Series Multilayer SAN Switches can help lower the total cost of ownership ofthe most demanding storage environments. By combining a robust and flexible hardwarearchitecture with multiple layers of network and storage-management intelligence， the Cisco MDS 9000 Series helps you build highly available， scalable storage networks with advanced securityand unified management. What method does the Cisco MDS 9000 Series use to support trunking？（）A
ISLB
VLAN TrunkC
VoQD
Enhanced ISL
考题
单选题Which statements about 802.1Q trunking in Secure Network Foundation Design Guide for Single Site Deployments are correct？（）A
The Cisco Control VLAN carries only Layer 2 control trafficB
802.1Q trunking is used between the access switch and the routerC
There is no 802.1Q trunking used in these designsD
When 802.1Q trunks are configured， they are also called Native VLANsE
Trunking Ensures that traffic from only one VLAN is carried on that trunk
考题
单选题在一个配置有VLAN的以太网环境中，如果需要将一台Cisco公司的交换机同一台3com公司的交换机通过中继链路（trunk）连接，则该中继链路应该采用（）封装类型。A
ISL（Inter Switch Link）B
IEEE 802.1QC
IEEE 802.1DD
VTP（VLAN Trunking Protocol）
考题
多选题Which two of these are characteristics of the 802.1Q protocol?（）Ait is a layer 2 messaging protocol which maintains vlan configurations across network.Bit includes an 8-bit field which specifies the priority of a frame.Cit is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.Dit modifies the 802.3 frame header,and thus requires that the FCS be recomputed.Eit is a trunking protocol capable of carring untagged frames.
考题
单选题Which protocol provides a method of sharing VLAN configuration information between two Cisco switch?（）A
VTPB
802.1QC
RSTPD
STP
考题
多选题Which four Cisco Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning-Tree plus?（）APortFastBUplinkFastCloop guardDroot guardEBPDU guardFBackboneFast
考题
单选题What is the effect of applying the switchport trunk encapsulation dot1q command to a port on a Cisco Catalyst switch？（）A
By default， native VLAN packets going out this port will be tagged.B
Without an encapsulation command， 802.1Q will be the default encapsulation if DTP fails to negotiate a trunking protocol.C
The interface will support the reception of tagged and untagged traffic.D
If the device connected to this port is not 802.1Q-enabled， it will not be able to handle 802.1Q packets.
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