多选题In the network， VLAN Trunking Protocol （VTP） is running with a domain name of R1. VLANs 1， 2，3， 4， 5， 10， 20 are active on the network. Suddenly the whole network goes down. No traffic isbeing passed on VLANs 2， 3， 4， 5， 10， 20. However， traffic passes on VLAN 1 and indicates allswitches are operational. Right before the network problem occurred； a switch named SW13 wastaken out of the lab and added to the network. What three configuration issues on SW13 could becausing the network outage？（）ASW13 has a higher VTP configuration revision than the current VTP revisionBSW13 is configured as a VTP server with a different domain nameCSW13 is configured as a VTP server with the domain name R1DSW13 has a lower VTP configuration revision than the current VTP revisionESW13 is not configured to participate in VTPFSW13 is configured with only VLAN1
多选题
In the network， VLAN Trunking Protocol （VTP） is running with a domain name of R1. VLANs 1， 2，3， 4， 5， 10， 20 are active on the network. Suddenly the whole network goes down. No traffic isbeing passed on VLANs 2， 3， 4， 5， 10， 20. However， traffic passes on VLAN 1 and indicates allswitches are operational. Right before the network problem occurred； a switch named SW13 wastaken out of the lab and added to the network. What three configuration issues on SW13 could becausing the network outage？（）
A
SW13 has a higher VTP configuration revision than the current VTP revision
B
SW13 is configured as a VTP server with a different domain name
C
SW13 is configured as a VTP server with the domain name R1
D
SW13 has a lower VTP configuration revision than the current VTP revision
E
SW13 is not configured to participate in VTP
F
SW13 is configured with only VLAN1
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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.
A new switch is being installed in the Ezonexam network and you have been assigned the task of connecting it to an existing switch. In doing this, you want to set up the VLAN Trunking Protocol so that VLAN information can be passed between the switches. Which of the following must you do to accomplish this? (Choose all that apply).A．You must set each end of the trunk line to IEEE 802.1e encapsulation.B．You must set the same VTP management domain name on both switches.C．You must set all ports on the two switches as access ports.D．You must configure one of the switches as a VTP server.E．You must use a rollover cable to connect the two switches.
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、IEEE802.1QC、IEEE802.1DD、VTP(VLAN Trunking Protocol)
Ezonexam has implemented the use of the Virtual Trunking Protocol (VTP). Which statement below accurately describes a benefit of doing this?A．VTP will allow physically redundant links while preventing switching loopsB．VTP will allow switches to share VLAN configuration informationC．VTP will allow a single port to carry information to more than one VLAND．VTP will allow for routing between VLANsE．None of the above
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
Which two of these are recommended practices with trunks？ （）A、 use ISL encapsulationB、 use 802.1q encapsulationC、 set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiationD、 use VTP server mode to support dynamic propagation of VLAN information across the network E、 set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.
You want to configure switch R1 to propagate VLAN information across the Company network using VTP. What must be configured on a Cisco switch in order to advertise VLAN information？（）A、VTP modeB、VTP passwordC、VTP revision numberD、VTP pruningE、VTP domain nameF、None of the other alternatives apply
The Company switches are configured to use VTP. What’s true about the VLAN trunking protocol （VTP）？（）A、VTP messages will not be forwarded over nontrunk links.B、VTP domain names need to be identical. However，case doesn’t matter.C、A VTP enabled device which receives multiple advertisements will ignore advertisements with higher configuration revision numbers.D、A device in "transparent" VTP v.1 mode will not forward VTP messages.E、VTP pruning allows switches to prune VLANs that do not have any active ports associated with them.
Which statements describe two of the benefits of VLAN Trunking Protocol?（）A、VTP allows routing between VLANs.B、VTP allows a single switch port to carry information to more than one VLAN.C、VTP allows physically redundant links while preventing switching loops.D、VTP simplifies switch administration by allowing switches to automatically share VLAN configuration information.E、VTP helps to limit configuration errors by keeping VLAN naming consistent across the VTP domain.F、VTP enhances security by preventing unauthorized hosts from connecting to the VTP domain.
The network administrator is trying to add Switch1 to the network， but the 802.1Q trunk is not coming up. Switch1 was previously tested in the laboratory and its trunk configuration worked fine. What are three possible causes of this problem？ （）A、The trunking configuration mode on Switch1 is set to Off.B、The trunking configuration mode on the other end is set to On.C、The trunking configuration mode on the other end is set to Desirable.D、Cisco Discovery Protocol is not running on the other end.E、There is a VTP domain name mismatch.F、Switch1 does not support 802.1Q.
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.
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.
A switch port on TK1 is being configured to support 802.1Q trunking. Which of the following are true about 802.1Q trunking？（）A、Both switches must be in the same VTP domain.B、The encapsulation type of both ends of the trunk does not have to match.C、The native VLAN on both ends of the trunk must be VLAN 1.D、802.1Q trunking can only be configured on a Layer 2 port.E、In 802.1Q trunking， all VLAN packets are tagged on the trunk link， except the native VLAN.
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）
Before inserting a new switch in the network，the network administrator checks that the VTP domain name is correct，the VTP mode is set to server， and revision is lower than the switches in the network. The administrator then configures interfaces and trunks，erases existing VLANs，and connects the switch to the network. Following that procedure，there is no connectivity in the network. What is a possible cause of this problem？（）A、Because the configuration revision of the new switches is lower than the rest of the network， it can change the VLAN database of the other switches.B、As a VTP server， the new switch deleted all VLANs of the network.C、Erasing VLANs increases the VTP configuration revision.D、Since the configuration revision of the network is higher than the new switch， the VLAN database was automatically synchronized.
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
单选题Switch R1 is configured to use the VLAN Trunking Protocol （VTP）. What does R1 advertise in its VTP domain？（）AThe VLAN ID of all known VLANs，the management domain name，and the total number of trunk links on the switch.BThe VLAN ID of all known VLANs，a 1-bit canonical format （CF1 Indicator），and the switch configuration revision number.CThe management domain name，the switch configuration revision number，the known VLANs， and their specific parameters.DA 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.ENone of the other alternatives apply.
多选题In a customer’s network， VLAN Trunking Protocol （VTP） is running with a domain named main1. VLANs 1，2，3，4，5，10，20 are active on the network. Suddenly the whole network goes down. No traffic is being passed on VLANs 2，3，4，5，10，20， however traffic passes on VLAN 1 and indicates all switches are operational. Right before the network problem occurred， a switch named TEST1 was added to the network. What three configuration issues on TEST1 could be causing the network outage？（）ATEST1 is configured as a VTP server with a different domain name.BTEST1 is not configured to participate in VTP.CTEST1 is configured as a VTP server with the domain name main1.DTEST1 has a lower VTP configuration revision than the current VTP revision.ETEST1 has a higher VTP configuration revision than the current VTP revision.FTEST1 is configured with only VLAN1.
多选题Which of the following steps are necessary in order to add a new VLAN to a switched network?（）ACreate the VLAN.BName the VLAN.CConfigure an IP address for the VLAN.DAdd the desired ports to the new VLAN.EAdd the VLAN to the VTP domain.
多选题To configure the VLAN trunking protocol to communicate VLAN information between two switches, what two requirements must be met?（）AEach end of the trunk line must be set to IEEE 802.1E encapsulation.BThe VTP management domain name of both switches must be set the same.CAll ports on both the switches must be set as access ports.DOne of the two switches must be configured as a VTP server.EA rollover cable is required to connect the two switches together.FA router must be used to forward VTP traffic between VLANs.
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.
多选题In the network， VLAN Trunking Protocol （VTP） is running with a domain name of R1. VLANs 1， 2，3， 4， 5， 10， 20 are active on the network. Suddenly the whole network goes down. No traffic isbeing passed on VLANs 2， 3， 4， 5， 10， 20. However， traffic passes on VLAN 1 and indicates allswitches are operational. Right before the network problem occurred； a switch named SW13 wastaken out of the lab and added to the network. What three configuration issues on SW13 could becausing the network outage？（）ASW13 has a higher VTP configuration revision than the current VTP revisionBSW13 is configured as a VTP server with a different domain nameCSW13 is configured as a VTP server with the domain name R1DSW13 has a lower VTP configuration revision than the current VTP revisionESW13 is not configured to participate in VTPFSW13 is configured with only VLAN1
多选题Which statements describe two of the benefits of VLAN Trunking Protocol？（）AVTP allows routing between VLANs.BVTP allows a single switch port to carry information to more than one VLAN.CVTP allows physically redundant links while preventing switching loops.DVTP simplifies switch administration by allowing switches to automatically share VLAN configuration information.EVTP helps to limit configuration errors by keeping VLAN naming consistent across the VTP domain.FVTP enhances security by preventing unauthorized hosts from connecting to the VTP domain.
多选题The Company switches are configured to use VTP. What’s true about the VLAN trunking protocol （VTP）？（）AVTP messages will not be forwarded over nontrunk links.BVTP domain names need to be identical. However，case doesn’t matter.CA VTP enabled device which receives multiple advertisements will ignore advertisements with higher configuration revision numbers.DA device in transparent VTP v.1 mode will not forward VTP messages.EVTP pruning allows switches to prune VLANs that do not have any active ports associated with them.
单选题A switch port on TK1 is being configured to support 802.1Q trunking. Which of the following are true about 802.1Q trunking？（）ABoth switches must be in the same VTP domain.BThe encapsulation type of both ends of the trunk does not have to match.CThe native VLAN on both ends of the trunk must be VLAN 1.D802.1Q trunking can only be configured on a Layer 2 port.EIn 802.1Q trunking， all VLAN packets are tagged on the trunk link， except the native VLAN.