CCENT Troubleshooting Flashcards

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46 cards   |   Total Attempts: 182
  

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What command is used to display the routing table?
Show ip route
What is the default subnet notation for the network listed in the show ip route command?
Prefix notation
What is the command to change the subnet notation to subnet masks in the output of show ip route?
Terminal ip netmask-format decimal
What command provides a summary of all interfaces and their IP addresses?
Show ip interface brief
What command provides a detailed view of the IP parameter settings per interface.
Show ip interface [interface type & number]
What command lists the interface IP address along with the interface statistics?
Show interfaces [interface type & number]
Which command displays the encapsulation being used?
Show interfaces [interface type & number]
What are 3 reasons why the status for serial interface 0 would state "Serial0 is up, line protocol is down"?
Clock rate is not set, mismatching encapsulation types, no keepalives
How do you set the bandwidth of serial0 to 64000bps?
Router(config-if)# bandwidth 64 The value for bandwidth is entered in kbps.
Which is a sure way of testing that TCP is working on your router?
Telnet to the router.
Name 2 important things to remember when using debug commands.
1. Debug output takes priority over other network traffic 2. Debug commands can severely affect performance.
Which command indicates who has telnet session to your router?
Router# show user
What 2 commands indicates how many telnet sessions are running from your router?
Router# show sessions or Router# where
How can you turn CDP off for a specific interface?
Router(config-if)# no cdp enable
How can you turn CDP off for the entire router?
Router# no cdp run