प्रश्न और उत्तर का अभ्यास करें
8प्र: You type Router#sh ru and receive a % ambiguous command error. why did you receive this message? 952 05b5cc7e6e4d2b419777519aa
5b5cc7e6e4d2b419777519aa- 1The command requires additional options or parametersfalse
- 2There is more than one show command that starts with the letters ru.true
- 3There is no show command that starts with rufalse
- 4The command is being executed from the wrong router modefalse
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उत्तर : 2. "There is more than one show command that starts with the letters ru."
व्याख्या :
Answer: B) There is more than one show command that starts with the letters ru. Explanation: The % ambiguous command error means that there is more than one possible show command that starts with ru. Use a question mark to find the correct command.
प्र: At which layer of the OSI model would you assume the problem is if you type show interface serial 1 and receive the following message? Serial 1 is down, line protocol is down 1563 05b5cc7e6e4d2b419777519a5
5b5cc7e6e4d2b419777519a5- 1Physical layertrue
- 2Data Link layerfalse
- 3Network layerfalse
- 4Nonefalse
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उत्तर : 1. "Physical layer"
व्याख्या :
Answer: A) Physical layer Explanation: If you see that a serial interface and the protocol are both down, then you have a physical layer problem. If you see serial 1 is up, line protocol is down, then you are not receiving (Data Link) Keepalives from the remote end.
प्र: Which commands loads a new version of the Cisco IOS into a router? 1552 05b5cc7e6e4d2b419777519a0
5b5cc7e6e4d2b419777519a0- 1copy flash ftpfalse
- 2copy ftp flashfalse
- 3copy flash tftpfalse
- 4copy tftp flashtrue
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उत्तर : 4. "copy tftp flash"
व्याख्या :
Answer: D) copy tftp flash Explanation: The command copy tftp flash will allow you to copy a new IOS into flash memory on your router.
प्र: You copy a configuration from a network host to a router's RAM. The configuration looks correct, yet it is not working at all. What could the problem be? 1228 05b5cc7e6e4d2b4197775199b
5b5cc7e6e4d2b4197775199b- 1You copied the wrong configuraion into RAMfalse
- 2You copied the configuration into flash memory insteadfalse
- 3The copy did not override the shutdown command in running-configtrue
- 4The IOS became corrupted after the copy command was initiatedfalse
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उत्तर : 3. "The copy did not override the shutdown command in running-config"
व्याख्या :
Answer: C) The copy did not override the shutdown command in running-config Explanation: Since the configuration looks correct, you probably didn't screw up the copy job. However , when you perform a copy from a network host to a router , the interfaces are automatically shut dow and need to be manually enabled with the no shutdown command.
प्र: What does the command confreg 0x2142 provide? 1935 05b5cc7e6e4d2b41977751996
5b5cc7e6e4d2b41977751996- 1It is used to restart the routerfalse
- 2It is used to bypass the configuration in NVRAMtrue
- 3It is used to enter ROM monitor modefalse
- 4It is used to view the lost passwordfalse
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उत्तर : 2. "It is used to bypass the configuration in NVRAM"
व्याख्या :
Answer: B) It is used to bypass the configuration in NVRAM Explanation: The default configuration setting is 0x2102, which tells the router to load the IOS from flash and the configuration from NVRAM. 0x2142 tells the router to bypass the configuration in NVRAM so that you can perform password recovery.
प्र: The corporate office sends you a new router to connect, but upon connecting the console cable, you see that there is already a configuration on the router. What should be done before a new configuration is entered in the router? 1534 05b5cc7e6e4d2b41977751991
5b5cc7e6e4d2b41977751991- 1RAM should be erased and the router restartedfalse
- 2Flash should be erased and the router restartedfalse
- 3NVRAM should be erased and the router restartedtrue
- 4The new configuration should be entered and savedfalse
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उत्तर : 3. "NVRAM should be erased and the router restarted"
व्याख्या :
Answer: C) NVRAM should be erased and the router restarted Explanation: Before you start to configure the router, you should erase the NVRAM with the erase startup-config command and then reload the router using the reload command.
प्र: You are troubleshooting a connectivity problem in your corporate network and want to isolate the problem. You suspect that a router on the route to an unreachable network is at fault. What IOS user exec command should you issue? 1441 05b5cc7e6e4d2b4197775198c
5b5cc7e6e4d2b4197775198c- 1Router>pingfalse
- 2Router>tracetrue
- 3Router>show ip routefalse
- 4Router>show interfacefalse
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उत्तर : 2. "Router>trace"
व्याख्या :
Answer: B) Router>trace Explanation: The command traceroute (trace for short), which can be issued from user mode or privileged mode, is used to find the path a packet takes through an internetwork and will also show you where the packet stops because of an error on a router.
प्र: You need to gather the IP address of a remote switch that is located in Hawaii. What can you do to find the address? 1570 05b5cc7e6e4d2b41977751987
5b5cc7e6e4d2b41977751987- 1Issue the show ip route command on the router connected to the switchfalse
- 2Issue the show cdp neighbor command on the router connected to the switchfalse
- 3Issue the show ip arp command on the router connected to the switchfalse
- 4Issue the show cdp neighbors detail command on the router connected to the switchtrue
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उत्तर : 4. "Issue the show cdp neighbors detail command on the router connected to the switch"
व्याख्या :
Answer: D) Issue the show cdp neighbors detail command on the router connected to the switch Explanation: Although option A is certainly the "best" answer, unfortunately option E will work just fine and your boss would probably prefer you to use the show cdp neighbors detail command.