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What is the function of the no switchport catalyst switch in

题目
单选题
What is the function of the no switchport catalyst switch interface configuration command?（）
A

Disables the interfaces to prevent traffic flow

B

Clears all the configurations on the interface

C

Switches the port from access mode to trunk mode

D

Converts the port from physical Layer 2 port to physical Layer 3 port

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相似问题和答案

第1题：

在一台cisco catalyst 2950交换机上,要将端口F0／1设置为永久中继模式,需要使用( )配置命令。

A、Switch(config-if)#switchport mode access

B、Switch(config-if)#switchport dynamic auto

C、Switch(config-if)#switchport mode trunk

D、Switch(config-if)#switchport mode dynamic


正确答案：C


第2题：

Which interface commands would you enter on a Catalyst 2900 switch, if your goal was to bring all VLAN traffic to another directly connected switch?()

A. Switch(config-if)# vlan all

B. Switch(config-if)# switchport trunk encapsulation dot1q

C. Switch(config-if)# switchport access vlan all

D. Switch(config-if)# switchport mode trunk

E. Switch(config-if)# switchport access vlan 303


参考答案：C, D

第3题：

如下图所示，3com和Cisco公司的交换机相互连接，在两台交换机之间需传输ULANID为1、10、20和30的4个VLAN信息，Catalyst 3548交换机VLAN Trunk的正确配置是

A．Switch-3548 (config-if) #switchport trunk encapsulation dot 1 q Switch-3548 (config-if) #switchport trunk allowed vlan 1,10,20,30

B．Switch-3548 (config-if) #switchport mode trunk Switch-3548 (config-if) #switchport trunk encapsulation isl Switch-3548 (config-if) #switchport trunk allowed vlan 1-30

C．Switch-3548 (config-if) #switchport mode trunk Switch-3548 (config-if) #switchport trunk encapsulation negotiate Switch-3548 (config-if) #switchport trunk allowed vlan 1-30

D．Switch-3548 (config-if) #switchport mode trunk Switch-3548 (config-if) #switchport trunk encapsulation dot 1q Switch-3548 (config-if) #switchport trunk allowed vlan 1,10,20,30


正确答案：D

第4题：

You are at a client site. It is a medium-sized business and needs a Cisco Catalyst switch that offers high availability and security. What type of Catalyst switches would you recommend？（）

  • A、 Catalyst 2960 Series
  • B、 Catalyst 3750 Series
  • C、 Catalyst 4900 Series
  • D、 Catalyst 6500 Series

正确答案:A

第5题：

Which set of commands is recommended to prevent the use of a hub in the access layer?()

A.switch(config-if)#switchport mode trunk switch(config-if)#switchport port-security maximum 1

B.switch(config-if)#switchport mode trunk switch(config-if)#switchport port-security mac-address 1

C.switch(config-if)#switchport mode access switch(config-if)#switchport port-security maximum 1

D.switch(config-if)#switchport mode access switch(config-if)#switchport port-security mac-address 1


参考答案：C

第6题：

You are bringing up a new Ezonexam switch, and wish to connect it via a trunk to another switch from a different vendor, which uses the IEEE standard for the trunking method. When setting the encapsulation type on the trunk, what should you configure on the Cisco switch?

A．Switch(config)# switchport trunk encapsulation isl

B．Switch(config)# switchport trunk encapsulation ietf

C．Switch(config-if)# switchport trunk encapsulation isl

D．Switch(config-if)# switchport trunk encapsulation ietf

E．Switch(config-if)# switchport trunk encapsulation dot1q


正确答案：E
解析：Explanation:
The only real choices for setting up switching trunks are ISL and 802.1Q. ISL is Cisco proprietary, while 802.1Q uses the IEEE defined standard for trunking between switches.

To configure the 802.1Q standard, the keyword "dot1q" is used in Cisco switches.

Incorrect Answers:
A, B, D. These are not valid options in a Cisco switch.

C. ISL is a Cisco proprietary method for setting up trunks, and will only work between Cisco switches.

第7题：

You are bringing up a new Cisco Catalyst switch, and wish to connect it via a trunk to another switch from a different vendor, which uses the IEEE standard for the trunking method.When setting the encapsulation type on the trunk, what should you configure on the Cisco switch?（）

A. Switch(config)# switchport trunk encapsulation isl

B. Switch(config)# switchport trunk encapsulation ietf

C. Switch(config-if)# switchport trunk encapsulation isl

D. Switch(config-if)# switchport trunk encapsulation ietf

E. Switch(config-if)# switchport trunk encapsulation dot1q


参考答案：E

第8题：

在一台Cisco Catalyst 2950交换机上作如下配置：

Switch # config terminal

Switch (config) # interface fastethernet 0/1

Switch (config-if) # switchport mode access

Switch (config-if) # switchport access vlan2

若要将fastethernet 0/1端口还原到默认配置状态，可以使用( )命令。

A、Switch (config) # default fastethernet 0/1

B、Switch (config) # default interface fastethernet 0/1

C、Switch (config) # no fastethernet 0/1

D、Switch (config) # erase interface fastethernet 0/1


正确答案：B


第9题：

Which set of commands is recommended to prevent the use of a hub in the access layer?（）

  • A、switch(config-if)#switchport mode trunk switch(config-if)#switchport port-security maximum 1
  • B、switch(config-if)#switchport mode trunk switch(config-if)#switchport port-security mac-address 1
  • C、switch(config-if)#switchport mode access switch(config-if)#switchport port-security maximum 1
  • D、switch(config-if)#switchport mode access switch(config-if)#switchport port-security mac-address 1

正确答案:C

第10题：

A switch that is to be added to the production network has been preconfigured （trunks， VLANs， VTP， and STP） and was tested in your lab. After installing the switch into the network， the entire network went down.  What might explain what happened？ （）

  • A、The new switch happened to be running Cisco Catalyst operating system， while the other network switches were running Cisco IOS Software.
  • B、The configuration revision of the new switch was higher than the configuration revision of the production VTP domain.
  • C、The link costs on the new switch are set to a high value， causing all ports on the new switch to go into a forwarding mode and none into blocking mode， thereby causing a spanning-tree loop.
  • D、The ports connecting to the two switches have been configured incorrectly. One side has the command switchport mode access and the other switchport mode trunk.

正确答案:B

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