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You’re a network administer and you issue the command （show 

题目
单选题
You’re a network administer and you issue the command （show port 3/1） on an Ethernet port. Toyour surprise you notice a non-zero entry in the ’Giants’ column. What could be the cause of this？（）
A

IEEE 802.1Q

B

IEEE 802.10

C

Misconfigured NIC

D

User configuration

E

All of the above

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相似问题和答案

第1题：

You have just issued the command commit confirmed and your network continues to be operational with no further changes required. You issue a commit and-quit. A short time later, users start complaining about network problems. Which commands (in order) need to be entered to resolve this issue?（）

A.A

B.B

C.C

D.D


参考答案：B

第2题：

After implementing EIGRP on your network, you issue the show ip eigrp traffic command on router C. The following output is shown:What can you conclude about this network? ()

A. The network has been stable for at least the last 45 minutes

B. There is a flapping link or interf ace, and router C knows an alternate path to the network

C. There is a flapping link or interface, and router A does not know an alternate path to the network

D. EIGRP is not working correctly on router C

E. There is not enough information to make a determination


参考答案：A

第3题：

While troubleshooting a connectivity problem on the network, you issue the ping command from your PC command prompt, but the output shows "request times out."

At which OSI layer is this problem associated with?

A．The data link layer

B．The application layer

C．The access layer

D．The session layer

E．The network layer


正确答案：E
解析：Explanation:
TCP/IP includes ICMP, a protocol designed to help manage and control the operation of a TCP/IP network. The ICMP protocol provides a wide variety of information about a network's health and operational status. Control message is the most descriptive part of a name. ICMP helps control and manage IP's work and therefore is considered part of TCP/IP's network layer.

第4题：

You are a network technician at TestKing, Inc. You are currently troubleshooting a routing issue on the Testking1 router. You issue the show ip route command. The output from the command is displayed in the following exhibit:Which one of the following routes WILL NOT be entered into its neighboring routers routing table?（）

A. R 192.168.11.0/24 [120/7] via 192.168.9.1, 00:00:03, Serial1

B. C 192.168.1.0/24 is directly connected, Ethernet0

C. R 192.168.8.0/24 [120/1] via 192.168.2.2, 00:00:10, Serial0

D. R 192.168.5.0/24 [120/15] via 192.168.2.2, 00:00:10, Serial0

E. None of the above


参考答案：D

第5题：

While troubleshooting a network connectivity issue, you suspect that a router may be missing a route, or may be receiving bad routing information to a destination. What command should you issue to view the route that the router will use to reach a given destination?（）

A. ping

B. trace

C. show ip route

D. show interface

E. show cdp neighbors


参考答案：C

第6题：

After implementing EIGRP on your network, you issue the show ip eigrp traffic command on router C. The following output is shown:What information can you determine about this network?()

A. The network is stable

B. There is a flapping link or interface, and router C knows an alternate path to the network

C. There is a flapping link or interf ace, and router C does not know an alternate path to the network

D. EIGRP is not working correctly on router C

E. There is not enough information to make a determination


参考答案：B

第7题：

You are an administrator of a network that uses PPP for CHAP authentication over ever WAN link. What command would you enter to display the CHAP authentication as it occurs in real time?()

A. show ppp authentication

B. debug PAP authentication

C. debug PPP authentication

D. show interface serial0

E. show CHAP authentication


参考答案：C

第8题：

A user is successfully authenticating to the network but is unable to access protected resources behind a ScreenOS enforcer. You log in to the ScreenOS enforcer and issue the command get auth table infranet and you do not see the user listed.Which two event log settings on the Junos Pulse Access Control Service must you enable to troubleshootthis issue?（）

A. Connection Requests

B. System Errors

C. Enforcer Events

D. Enforcer Command Trace


参考答案：C, D

第9题：

While logged into a router, you wish to see the RIP routing updates in real time as they are sent and received. Which command would you issue to see these updates?()

A. Show ip protocols

B. Show ip route rip

C. Debug ip rip

D. Debug ip updates

E. Debug ip transactions


参考答案：C

第10题：

You are troubleshooting a frame relay connection and wish to view the LMI traffic stats. Which command should you issue?()

A. Show interface lmi

B. Show frame-relay lmi

C. Show interface frame-relay

D. Debug frame-relay interface.


参考答案：B

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