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单选题A new Catalyst switch is connected to an existing switch using a crossover cable. As a result of this, what would the switch port link lights display?（）A The switch port link lights will be off on both switches indicating the ports are not connected.B
题目
The switch port link lights will be off on both switches indicating the ports are not connected.
The switch port link light will be off on one switch indicating that STP has disabled the port.
The switch port link lights will flash amber indicating an error.
The switch port link lights will be green indicating normal operation.
相似问题和答案
第1题：
A. All defined VLANs are allowed on the trunk by default.
B. Each VLAN, or VLAN range, that is specified with the switchport mode command.
C. Each VLAN, or VLAN range, that is specified with the vtp domain command.
D. Each VLAN, or VLAN range, that is specified with the vlan database command.
第2题：
A.This switch has more than one interface connected to the root network segment in VLAN 2.
B.This switch is running RSTP while the elected designated switch is running 802.1d Spanning Tree.
C.This switch interface has a higher path cost to the root bridge than another in the topology.
D.This switch has a lower bridge ID for VLAN 2 than the elected designated switch.
第3题：
The network administrator has just finished installing a new 10/100/1000 switch, but receives reports from the server administrator that servers connected to the new switch seem to be experiencing slow LAN connections. The network administrator checks the port connecting the new switch to the core switch and sees the following information:Which of the following is the MOST likely cause of the slow connections?（）
A. The servers have not had VLAN tagging enabled on their NICs.
B. Speed and duplex have not been set.
C. VLAN tagging was not set on the trunk.
D. The servers have been connected with CAT5 cable.
第4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5题：
A new Catalyst switch is connected to an existing switch using a crossover cable. As a result of this, what would the switch port link lights display?（）
- A、The switch port link lights will be off on both switches indicating the ports are not connected.
- B、The switch port link light will be off on one switch indicating that STP has disabled the port.
- C、The switch port link lights will flash amber indicating an error.
- D、The switch port link lights will be green indicating normal operation.
正确答案:D
第6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
第7题：
Which three of these pre-requisite for resetting a Catalyst Express 500 switch when Cisco Network Assistant is unavailable？（）
- A、At Least one enabled switch port that is unconnected to any device
- B、A PC pre-configured with a specific IP Address and Mask
- C、A PC or laptop with Windows 2000 or Windows XP installed and a web browser that has Java Script enabled
- D、Physical Access to Switch
- E、A Switch with no connected devices
正确答案:A,C,D
第8题：
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
第9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
第10题：
You work as a network Technician. A new workstation has consistently been unable to obtain anIP address from the DHCP server when the workstation boots. Older workstations function normally， and the new workstation obtains an address when manually forced to renew its address. What should be configured on the switch to allow the workstation to obtain an IP address at boot？（）
- A、UplinkFast on the switch port connected to the server
- B、BackboneFast on the switch port connected to the server
- C、PortFast on the switch port connected to the workstation
- D、trunking on the switch
正确答案:C