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An 802.1Q trunk is not coming up between two switches. The ports on both switches are configured as "switchport mode desirable." Assuming that there is no physical issue， choose two possible causes.（）
- A、Incorrect VTP domain
- B、Incorrect VTP password
- C、Incorrect VTP mode
- D、Incorrect VTP configuration revision
参考答案
更多 “An 802.1Q trunk is not coming up between two switches. The ports on both switches are configured as "switchport mode desirable." Assuming that there is no physical issue， choose two possible causes.（）A、Incorrect VTP domainB、Incorrect VTP passwordC、Incorrect VTP modeD、Incorrect VTP configuration revision” 相关考题
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Cisco Catalyst 6500交换机的3/1端口与一台其他厂商的交换机相连，并要求该端口工作在VLANTrunk模式。这两台交换机的Trunk端口都应封装的协议和Cisco Catalyst 6500设置Traank模式的正确配置语句分别是______。A．ISL和set 3/1 trunk on islB．ISL和set trunk 3/1 on islC．IEEE 802.1Q和set tramk 3/1 on dotlqD．IEEE 802.1Q和set 3/1 trunk on dotlq
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一台Cisco交换机和一台3COM交换机相连，相连端口都工作在Ⅵ,AN trunk模式，这两个端口应使用的VLAN协议是——。A．ISL和IEEE 802．10B．ISL和ISLC．ISL和IEEE 802．1QD．IEEE 802．1Q和IEEE 802．1Q
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You need to configure an 802.1Q link on a Ezonexam switch. Which commands, when used together, would do this? (Select two answer choices)A. Switch(vlan) mode trunkB. Switch(config) switchport access mode trunkC. Switch(config-if) switchport mode trunkD. Switch(config-if) switchport trunk encapsulation dot1qE. Switch(config) switchport access mode 1F. Switch(vlan) trunk encapsulation dot1q
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What must the Ezonexam network administrator do in order to successfully configure a VLAN trunk between two switches named VE1 and VE2? (Select two answer choices)A. Set each end of the trunk line to IEEE 802.1Q encapsulation.B. Set the same VTP management domain name on both switches.C. Set all ports on the two switched as access ports.D. Configure one of the two switches as a VTP server.E. Connect the two switches using a rollover cable.F. Use a router to forward VTP traffic between the VLANs.
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一台Cise0交换机和一台3COM交换机相连，相连端口都工作在VLAN trunk模式，这两个端口应使用的VLAN协议是（ ）。A.ISL和IEEE 802．10B.ISL和ISLC.ISL和IEEE 802．1QD.IEEE 802．1Q和IEEE 802．1Q
考题
What must an administrator do in order to successfully configure a VLAN trunk between two switches?()
A. Set each end of the trunk line to IEEE 802.1Q encapsulation.B. Set the same VTP management domain name on both switches.C. Set all ports on the two switched as access ports.D. Configure one of the two switches as a VTP server.E. Connect the two switches using a rollover cable.F. Use a router to forward VTP traffic between the VLANs.
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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当VLAN数据帧通过trunk链路转发时，将会在以太网帧中加入802.1Q标记，以区分不同VLAN的数据帧。该标记插入到了原始以太网帧的（）A、目的MAC地址后B、源MAC地址后C、Type后D、FCS前
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当VLAN数据帧通过trunk链路转发时，将会在以太网帧中加入802.1Q标记，以区分不同VLAN的数据帧。在802.1Q标记中，VLAN字段的最大可能值是（）A、8192B、4096C、4092D、4094
考题
Cisco Catalyst switches CAT1 and CAT2 have a connection between them using ports FA0/13. An 802.1Q trunk is configured between the two switches. On CAT1, VLAN 10 is chosen as native, but on CAT2 the native VLAN is not specified.What will happen in this scenario?（）A、802.1Q giants frames could saturate the link.B、VLAN 10 on CAT1 and VLAN 1 on CAT2 will send untagged frames.C、A native VLAN mismatch error message will appear.D、VLAN 10 on CAT1 and VLAN 1 on CAT2 will send tagged frames.
考题
Which of the following conditions guarantees that a broadcast storm cannot occur？（）A、a native VLAN mismatch on either side of an 802.1Q linkB、BPDU filter configured on a link to another switchC、Spanning Tree Protocol enabled on both Layer 2 and multilayer switchesD、PortFast enabled on all access and trunk ports
考题
You are configuring an 802.1Q trunk between a Layer 2 switch and a firewall. You read in the documentation that the best way to set up a trunk is to set the port as dynamic desirable. The trunk is not coming up. Which one of these options would be a valid explanation？ （）A、The firewall does not support Cisco Discovery Protocol. You should set the switchport trunk mode ONB、The firewall does not support Cisco Discovery Protocol. You should set the switchport trunk mode to OFFC、The firewall does not support Cisco Discovery Protocol. You should set the switchport trunk mode asauto.D、The firewall does not support DTP. You should set the switchport trunk mode to ON
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
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.
考题
You are the network administrator at Company and switch R1 is configured as shown below： Interface gigethernet 0/1 Switchport mode trunk Switchport trunk encapsulation dot1q Switchport trunk native vlan 5 If untagged frames are arriving on interface gigethernet 0/1 of R1， which of the following statement are correct？（）A、 Untagged frames are automatically assumed to be in VLAN 5.B、 Untagged frames are defaulted to VLAN 1 traffic.C、 Untagged frames are dropped because all packets are tagged when dot1q trunked.D、 Untagged frames are determined on the other switchE、 Untagged frames are not supported on 802.1Q trunks.
考题
多选题Which commands, when used together, would create an 802.1Q link?（）ASwitch(vlan)# mode trunkBSwitch(config)# switchport access mode trunkCSwitch(config-if)# switchport mode trunkDSwitch(config-if)# switchport trunk encapsulation dot1qESwitch(config)# switchport access mode 1FSwitch(vlan)# trunk encapsulation dot1q
考题
单选题Cisco Catalyst 6500交换机的3/1端口与一台其他厂商的交换机相连，并要求该端口工作在VLAN Trunk模式，这两台交换机的trunk端口都应封装的协议和Cisco Catalyst6500设置trunk模式的正确配置语句是（ ）。A
ISL和set 3/1 trunk on is1B
ISL和settnmk 3/1 on is1C
IEEE 802.1Q和set trunk 3/1 on dotlqD
IEEE 802.1Q和set 3/1 trunk on dotlq
考题
多选题he 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？（）AThe trunking configuration mode on Switch1 is set to Off.BThe trunking configuration mode on the other end is set to On.CThe trunking configuration mode on the other end is set to Desirable.DCisco Discovery Protocol is not running on the other end.EThere is a VTP domain name mismatch.FSwitch1 does not support 802.1Q
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
多选题Which three of these statements about Dynamic Trunking Protocol are correct？（）AIt supports autonegotiation for both ISL and IEEE 802.1Q trunks.BIt 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.CIt is a point-to-multipoint protocol.DIt is a point-to-point protocol.EIt is not supported on private VLAN ports or tunneling ports.
考题
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？（）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.
考题
单选题以下关于虚拟局域网中继（VLAN Trunk）的描述中，错误的是（ ）。A
VLAN Trunk是在交换机与交换机之间、交换机与路由器之间存在的物理链路上传输多个VLAN信息的一种技术B
VLAN Trunk的标准机制是帧标签C
在交换设备之间实现Trunk功能，VLAN协议可以不同D
目前常用的VLAN协议有ISL。、IEEE 802.10和国际标准IEEE 802.1Q
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