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10 Cards in this Set
- Front
- Back
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How to set up SSH on a router with hostmane CorpR1 in domain example.com?
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Router>enable
Router#config t Router(config)#hostmane CorpR1 CorpR1(config)#ip domain-name example.com CorpR1(config)#crypto key generate rsa general-keys modulus 1024 CorpR1(config)#line vty 0 4 CorpR1(config-line)#transport input ssh |
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What command would you use to troubleshoot a serial link problem?
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show interface serial 0
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If you type "show interface serial 0" and you see "up, line protocol is down" what layer is having a problem?
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Data Link layer problem
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If you type "show interface serial 0" and you see "down, line protocol is down" what layer is having a problem?
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Physical layer problem
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What do you see when you type "show interfaces"?
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statistics for the interfaces on the router
whether they are shut down the IP address of each interface |
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What is the sequence of powering on a router?
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POST
IOS loaded from flash startup-config loaded from NVRAM |
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What does "show version" provide?
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basic configuration of the system's hardware and software version
names and sources of configuration files "config-register" setting boot images |
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How do you set the hostname of a router to CorpR2?
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enable
config t hostmane CorpR2 |
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What does config-register 0x2102 mean?
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default boot setting tells the router to look for boot sequence in NVRAM
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This command will erase the configuration of a router.
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erase startup-config
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