3.1.8 CISCO Device Connection
The configuration register runs during the POST. What does it control?
How the router boots up.
Which of the following measures can you implement to help secure access to a router? (Select two.)
Set a password and use the login command. Keep the router in a locked room.
Match the memory types with the information they store.
Stores the running-configuration file, routing tables, and ARP tables. RAM Stores the startup-configuration file. NVRAM Stores the Cisco IOS software. FLASH Stores POST and the boot loader software. ROM
Put the boot sequence process items in order.
1 Power-on self-test checks hardware. 2 Boot loader software is loaded. 3 IOS is loaded. 4 Startup-config is loaded.
You want to make a console connection to a router using the serial port on a PC. Select the necessary components to make the console connection. Select only the necessary components.
Components: Rollover cable Console port Terminal emulation program
You are a field technician for a large company. You have been sent to a remote site to troubleshoot a downed router. When you arrive at the remote site, how will you connect your laptop to the router?
Connect the laptop's COM/USB port to the router's console port using a rollover cable.
You have issued the following command and received the response as shown. Router#sh start %%Non-volatile configuration memory has not been set up or has bad checksum Which of the following is a reason for this response?
No configuration file has been saved to NVRAM.
The Cisco IOS image file names contain several parts. It's important to understand this naming convention when you are choosing the correct IOS software. Consider the filename c2900-universalk9-mz.SPA.157-3.M5.bin. Match the parts of the file name on the left with the description on the right.
Specifies that the file has been digitally signed by Cisco. SPA Major Release 15, minor release 7. 157 Identifies the platform on which the image runs. C2900 Is the file extension. Bin Runs in RAM as opposed to running directly from flash. -m Indicates that all of the features, turned on and off by a software license is included. Universal Includes export controlled cryptography software. k9 Indicates the file as a compressed image. z This is the 3rd maintenance release. -3 Specifies the version of the IOS M5
You are the senior network administrator for a large company. A junior administrator from one of your field offices sent you a router that he thinks is faulty. He says the router always uses default settings and boots to setup mode even though he has verified that startup-config contains the correct values. What is the most likely source of the problem?
The router configuration register is set to bypass startup configuration.
You have made configuration changes to your Cisco device. Now you want to save the changes to use the next time the device is booted up. Which command could you use?
copy run start
