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On switch R1 you

题目

On switch R1 you issue the "udld enable" global command.  What does this command accomplish？ （）

  • A、 Enables all fiber-optic LAN ports for Unidirectional LINK Detection （UDLD）
  • B、 Enables all copper media LAN ports Unidirectional Link Detection （UDLD）
  • C、 Overrides the default UDLS setting for all ports
  • D、 Globally enables all ports on the device for Unidirectional Link Detection （UDLS）
  • E、 None of the other alternatives apply
参考答案和解析
正确答案:A
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相似问题和答案

第1题：

You want your Catalyst switch to implement a switching method that holds a packet in its memory until the data portion of the respected packet reaches the switch.Which method should you employ on your Catalyst switch?（）

A. Fast Forward

B. Store and forward

C. Frag-free

D. None of the above


参考答案：C

第2题：

When you are logged into a switch, which prompt indicates that you are in privileged mode？（）

  • A、%
  • B、@
  • C、>
  • D、$
  • E、#

正确答案:E

第3题：

First you should switch the machine ____ before you stop your work.

a. on

b. off

c. up


参考答案：B

第4题：

You want your Catalyst switch to implement a switching method that holds a packet in its memory until the data portion of the respected packet reaches the switch.Which method should you employ on your Catalyst switch?（）

  • A、Fast Forward
  • B、Store and forward
  • C、Frag-free
  • D、None of the above

正确答案:C

第5题：

The VLANs in switch R1 are being modified. Which of the following are updated in R1 every time a VLAN is modified？（）

  • A、Configuration revision number
  • B、Configuration revision flag field
  • C、Configuration revision reset switch
  • D、Configuration revision database
  • E、None of the other alternatives apply

正确答案:A,D

第6题：

Assuming the default switch configuration,which approach should you use to configure the extended vlan range(1006 through 4094) on a cisco catalyst 3750 series switch?()

A. Configure the switch to be in VTP client mode.

B. Configure the switch to be in VTP domaint mode.

C. Configure the switch to be in VTP transparent mode.

D. Configure the switch to be in VTPv2.


参考答案：C

第7题：

Switch R1 is configured with VTP.  Which two VTP modes will make R1 capable of creating and  deleting VLANs on itself？ （）

  • A、 Client
  • B、 Server
  • C、 Transparent
  • D、 Pass-through
  • E、 No-negotiate

正确答案:B,C

第8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9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

正确答案:C,D

第10题：

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 mode
  • B、VTP password
  • C、VTP revision number
  • D、VTP pruning
  • E、VTP domain name
  • F、None of the other alternatives apply

正确答案:E

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