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单选题A network administrator is using a LAN analyzer to troubleshoot OSPF router exchange messages sent to ALLOSPF ROUTERS. To what MAC address are these messages sent？（）A00-00-1C-EF-00-00B01-00-5E-00-00-05C01-00-5E-EF-00-00DEF-FF-FF-00-00-05EEF-00-00-FF-FF

题目
单选题
A network administrator is using a LAN analyzer to troubleshoot OSPF router exchange messages sent to ALLOSPF ROUTERS. To what MAC address are these messages sent？（）
A

 00-00-1C-EF-00-00

B

 01-00-5E-00-00-05

C

 01-00-5E-EF-00-00

D

 EF-FF-FF-00-00-05

E

 EF-00-00-FF-FF-FF

F

 FF-FF-FF-FF-FF-FF

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相似问题和答案

第1题：

An administrator is using a protocol analyzer to monitor traffic between two servers. However, theonly traffic that appears is broadcast and traffic originating from the administrator‘s PC.Which of the following devices is the administrator plugged into? （）

A.Hub

B. Bridge

C. Switch

D. Router


参考答案：C

第2题：

Using network monitoring tools would allow an administrator to do which of the following?()

A. Configure offline devices

B. Examine performance issues

C. Install additional software and updates

D. View syslog events


参考答案：B

第3题：

The Ezonexam network administrator wants to use a router named VE1 to segment the local network. What are some of the advantages of using VE1 to segment the network? (Choose two)

A. Routers generally cost less than switches

B. Filtering can occur based on Layer 3 information

C. Broadcasts are not forwarded across the router

D. Broadcasts are eliminated

E. Adding a router to the network decreases latency

F. Routers can generally support more LAN ports than switches


正确答案：BC
B,C

第4题：

A network administrator is verifying the configuration of a newly installed host by establishing an FTP connection to a remote server. What is the highest layer of the protocol stack that the nework administrator is using for this operation?（）

  • A、application
  • B、presentation
  • C、session
  • D、transport
  • E、internet
  • F、data link

正确答案:A

第5题：

A network administrator is verifying the configuration of a newly installed host by establishing an FTP connection to a remote server. What is the highest layer of the protocol stack that the nework administrator is using for this operation?（）

A. application

B. presentation

C. session

D. transport

E. internet

F. data link


参考答案：A

第6题：

Which of the following configuration management documentation types would an administrator useto know how and when to property install new network devices on the LAN?()

A. Baseline configuration

B. Logical network diagram

C. Network policy

D. Wiring schematic


参考答案：C

第7题：

As a network administrator, you issue the interface auto qos voip cisco-phone command on a port in an edge network. It is possible for a Cisco Catalyst switch to check if a Cisco IP Phone is directly attached to that port by:（）

A. using DHCP snooping

B. snooping the incoming 802.1Q VLAN tag

C. using CDP

D. snooping the CoS marking on the incoming frames


参考答案：C

第8题：

Which of the following devices should an administrator connect to a protocol analyzer in order tocollect all of the traffic on a LAN segment?()

A.Hub

B.VLAN

C.Router

D.Server


参考答案：A

第9题：

The network administrator needs to address seven LANs. RIP version 1 is the only routing protocol in use on the network and subnet 0 is not being used. What is the maximum number of usable IP addresses that can be supported on each LAN if the organization is using one class C address block?（）

A.8

B.6

C.30

D.32

E.14

F.16


参考答案：C

第10题：

While using a packet analyzer， you notice four additional bytes being added to the packets in the  Company network.  Which protocol inserts a four byte tag into the Ethernet frame and recalculates  CRC value？  （）

  • A、 DTP
  • B、 VTP
  • C、 802.1Q
  • D、 ISL
  • E、 None of the other alternatives apply

正确答案:C

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