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Q3. You want to see the IP address assigned to interface s0. Which command will display the IP address assigned to serial interface s0?
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A. show controllers s0 B. sh running-config C. disp controllers s0 D. disp running-config
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Correct answer: B
Explanation:
SHOW command is extensively used for seeing the status and configuration information of the router.
Some of the frequently used commands are:
SHOW RUNNING-CONFIGURATION -This command displays the router's active configuration file, passwords, system name, and interface settings, interfaces IP addresses etc.
SHOW INTERFACE - Shows status and configuration information of the local interfaces. The first line says something like “TokenRing1 is up, line protocol is up”. The first part “TokenRing1 is up” describes the physical layer components such as electrical cabling and signaling are OK. The second part “line protocol is up” means that the router is detecting keep-alive messages. The router may be put into administratively down status, at which point the line would read, “TokenRing1 is administratively down, line protocol is down.”
SHOW INTERFACE SERIAL 0 - Shows the serial 0 configuration.
SHOW INTERFACES - Displays statistics for all interfaces configured on the switch.
SHOW PROCESS - Displays a router’s CPU utilization.
SHOW CONFIG - Displays information on the startup configuration.
SHOW VERSION - Displays information about the system hardware (RAM/ROM), software version, names of configuration files, and boot-images. This command will also show the current configuration register value.
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