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A network administrator issues the ping 192.168.2.5 command

题目
多选题
A network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test? （）
A

ARP

B

CDP

C

DHCP

D

DNS

E

ICMP

参考答案和解析
正确答案： A,C
解析： 暂无解析
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相似问题和答案

第1题：

The Ezonexam network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test? (Choose two)

A．ARP

B．CDP

C．DHCP

D．DNS

E．ICMP


正确答案：AE
解析：Explanation:ARPfindsthehardwareaddressofahostfromaknownIPaddress.Here'showitworks:whenIPhasadatagramtosend,itmustinform.aNetworkAccessprotocol,suchasEthernetorTokenRing,ofthedestination'shardwareaddressonthelocalnetwork.(Ithasalreadybeeninformedbyupper-layerprotocolsofthedestination'sIPaddress.)IfIPdoesn'tfindthedestinationhost'shardwareaddressintheARPcache,itusesARPtofindthisinformation.ICMPworksattheNetworklayerandisusedbyIPformanydifferentservices.ICMPisamanagementprotocolandmessagingserviceproviderforIP.ItsmessagesarecarriedasIPdatagrams.RFC1256isanannextoICMP,whichaffordshosts'extendedcapabilityindiscoveringroutestogateways.Periodically,routeradvertisementsareannouncedoverthenetwork,reportingIPaddressesfortherouter'snetworkinterfaces.Hostslistenforthesenetworkinfomercialstoacquirerouteinformation.Aroutersolicitationisarequestforimmediateadvertisementsandmaybesentbyahostwhenitstartsup.

第2题：

A network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test?()

A.ARP

B.CDP

C.DHCP

D.DNS

E.ICMP


参考答案：A, E

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：

A network administrator has configured access list 172 to prevent Telnet and ICMP traffic from reaching a server with the address if 192.168.13.26. Which command can the administrator issue to verify that the access list is working properly?（）

  • A、Router# ping 192.168.13.26
  • B、Router# debug access-list 172
  • C、Router# show open ports 192.168.13.26
  • D、Router# show access-list
  • E、Router# show ip interface

正确答案:A,D,E

第5题：

The network administrator of the Oregon router adds the follwing command to the router configuration: ip route 192.168.12.0 255.255.255.0 172.16.12.1. What are the results of adding this command?（）

  • A、The command establishes a static route
  • B、The command invokes a dynamic routing protocol for 192.168.12.0
  • C、Traffic for network 192.168.12.0 is forwarded to 172.16.12.1
  • D、Traffic for all networks is forwarded to 172.16.12.1
  • E、This route is automatically propagated throughout the entire network
  • F、Traffic for network 172.16.12.0 is forwarded to the 192.168.12.0 network

正确答案:A,C

第6题：

The network administrator of the Oregon router adds the follwing command to the router configuration: ip route 192.168.12.0 255.255.255.0 172.16.12.1. What are the results of adding this command?()

A. The command establishes a static route

B. The command invokes a dynamic routing protocol for 192.168.12.0

C. Traffic for network 192.168.12.0 is forwarded to 172.16.12.1

D. Traffic for all networks is forwarded to 172.16.12.1

E. This route is automatically propagated throughout the entire network

F. Traffic for network 172.16.12.0 is forwarded to the 192.168.12.0 network


参考答案：A, C

第7题：

Users on the 172.17.22.0 network cannot reach the server located on the 172.31.5.0 network.The network administrator connected to console port,issued the show ip route command,and was able to ping the server.Based on the output of the show ip route command topology shown in the graphic,what is the cause of the failure?（）

A.IP routing is not enabled

B.A static route is configured incorrectly

C.The network has not fully converged

D.The FastEthernet interface on Coffee is disabled

E.The routing table on Coffee has not updated

F.The neighbor relationship table is not correctly updated


参考答案：D

第8题：

An administrator wants to test the network MTU. Which of the following commands allows differentsize packets to be sent?()

A.netstat

B.traceroute

C.nbtstat

D.ping


参考答案：D

第9题：

A technician is troubleshooting a network connectivity issue on a MFD and would like to eliminate the possibility of another device on the network having the same IP address. The technician should：（）

  • A、disconnect the MFD and ping the IP address.
  • B、disconnect the MFD and ping the subnet mask.
  • C、disconnect the MFD and ping the loopback address.
  • D、run the ipconfig command from the command prompt.

正确答案:A

第10题：

A network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test? （）

  • A、ARP
  • B、CDP
  • C、DHCP
  • D、DNS
  • E、ICMP

正确答案:A,E

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