Cisco Introduction to Cisco Networking Technologies - 640-821 Exam Practice Test
What is the difference between the Cisco router IOS commands show cdp neighbor detail and show cdp entry?
Correct Answer: C
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A receiving host has failed to receive all of the segments that it should acknowledge. What can the host do to improve the reliability of this communication session?
Correct Answer: D
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If NVRAM lacks boot system commands, where does the router look for the Cisco IOS by default?
Correct Answer: B
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The following commands are entered on the router:
Burbank(config)# enable secret fortress
Burbank(config)# line con 0
Burbank(config-line)# login
Burbank(config-line)# password n0way1n
Burbank(config-line)# exit
Burbank(config)# service password-encryption
What is the purpose of the last command entered?
Burbank(config)# enable secret fortress
Burbank(config)# line con 0
Burbank(config-line)# login
Burbank(config-line)# password n0way1n
Burbank(config-line)# exit
Burbank(config)# service password-encryption
What is the purpose of the last command entered?
Correct Answer: B
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After the shutdown command has been issued on the serial 0/0 interface, what will be displayed when the show interface serial 0/0 command is issued by the administrator?
Correct Answer: C
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The internetwork shown in the diagram is experiencing network delays. On the basis of the information provided in the exhibit, what is the problem?
Correct Answer: B
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Refer to the graphic. Although the console password was set to "cisco", it displays in the router configuration as shown. What command caused the password to be stored like this?
Correct Answer: C
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What will cause a router to enter setup mode? (Choose two.)
Correct Answer: C,F
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