- sh IOS
- sh flash
- sh version
- sh running-config
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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?
Answer: Option 3 If you save a configuration and reload the router and it comes up either in setup mode or as a blank configuration, chances are you have the...
1 Answers 1 views
Which command will show you all the translations active on your router?
Answer: Option 1 The command show ip nat translations will show you the translation table containing all the active NAT entries.
1 Answers 1 views
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?
Answer: Option 3 The command show ip protocols will actually show you the broadcast address for each interface - too bad it isn't a possible answer. Your best answer is...
1 Answers 1 views
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?
Answer: Option 2 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...
1 Answers 3 views
You telnet to a router and make your necessary changes; now you want to end the Telnet session. What command do you type in?
Answer: Option 4 Since the question never mentioned anything about a suspended session, you can assume that the Telnet session is still open, and you would just type exit to...
1 Answers 1 views
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?
Answer: Option 3 Before you start to configure the router, you should erase the NVRAM with the erase startup-config command and then reload the router using the reload command.
1 Answers 1 views
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?
Answer: Option 2 The show flash command will provide you with the current IOS name and size and the size of flash memory.
1 Answers 5 views
Which command is used to upgrade an IOS on a Cisco router?
Answer: Option 4 The copy tftp flash command places a new file in flash memory, which is the default location for the Cisco IOS in Cisco routers.
1 Answers 1 views
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?
Answer: Option 3 If you have a Cisco router on one side of a Frame Relay network and a non-Cisco router on the other side, you would need to use...
1 Answers 1 views
Which command loads a new version of the Cisco IOS into a router?
Answer: Option 4 The command copy tftp flash will allow you to copy a new IOS into flash memory on your router.
1 Answers 1 views