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?

A Router>ping
B Router>trace
C Router>show ip route
D Router>show interface

Correct Answer: Router>trace

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.

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#CCNA #CISCO Certification

Related Questions

A network administrator wants to upgrade the IOS of a router without removing the image currently installed. What command will display the amount of memory consumed by the current IOS image and indicate whether there is enough room available to hold both the current and new images?
A show version
B show flash
C show memory
D show buffers
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?
A RAM should be erased and the router restarted
B Flash should be erased and the router restarted
C NVRAM should be erased and the router restarted
D The new configuration should be entered and saved
You save the configuration on a router with the copy running-config startup-config command and reboot the router. The router, however, comes up with a blank configuration. What can the problem be?
A You didn
B NVRAM is corrupted.
C The configuration register setting is incorrect.
D The newly upgraded IOS is not compatible with the hardware of the router.
You need to find the broadcast address used on a LAN on your router. What command will you type into the router from user mode to find the broadcast address?
A show running-config
B show startup-config
C show interfaces
D show protocols
Which command will show you the IOS version running on your router?
A sh IOS
B sh flash
C sh version
D sh running-config
You need to configure a router for a Frame Relay connection to a non-Cisco router. Which of the following commands will prepare the WAN interface of the router for this connection?
A Router (config-if) #encapsulation frame-relay q933a
B Router (config - if) #encapsulation frame-relay ansi
C Router (config - if) #encapsulation frame-relay ietf
D Router (config - if) #encapsulation frame-relay cisco
Which command loads a new version of the Cisco IOS into a router?
A copy flash ftp
B copy ftp flash
C copy flash tftp
D copy tftp flash
Which command is used to upgrade an IOS on a Cisco router?
A copy tftp run
B copy tftp start
C config net
D copy tftp flash
Which of the following would be a good starting point for troubleshooting if your router is not translating?
A Reboot.
B Call Cisco.
C Check your interfaces for the correct configuration.
D Run the debug all command.
If your routing table has a static, a RIP, and an IGRP route to the same network, which route will be used to route packets by default?
A Any available route
B RIP route
C Static route
D IGRP route
E They will all load-balance.

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