User's Manual

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Explanation: If you want to prevent unauthorized people from logging into your router then you should use the
line console command. After this you will need to enter a password.
Incorrect Answers:
A is incorrect; line console 0 command is for configuring the console password not its type.
B is incorrect; this command is used for console and not a serial line.
D is incorrect; this command is not used to establish connection to a remote host.
E is incorrect; to change from configuration mode to console privilege mode you would use CNTL+Z.
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 102-103.
Q. 185
Which information must a router have in order to perform proper and efficient routing?
A. Destination application of an incoming packet
B. Number of other packets in a single flow of data
C. Destination network address of an incoming packet
D. Number of routers that know a path to the destination
Answer: C
Explanation: A router needs the following information to route packets: destination address, information
sources, possible routes, best routes and routing information maintenance and verification.
Incorrect Answers:
A is incorrect; a router does not route based on application.
B is incorrect; the number of packet has no relevance to routing decisions.
D is incorrect; the number of routers has no relevance to routing decisions.
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 250-251.
Q. 186
Which symbol in the router prompt indicates you are in the privileged mode?
A. >
B. !
C. #
D. :
Answer: C
Explanation: On a router the privileged mode is indicated by a # prompt.