COMPUTER NETWORKING

NETWORK LAYER

UNICAST ROUTING

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A Cisco router is booting and has just completed the POST process. It is now ready to find and load an IOS image. What function does the router perform next?

A	It checks the configuration register.
B	It attempts to boot from a TFTP server.
C	It loads the first image file in flash memory.
D	It inspects the configuration file in NVRAM for boot instructions.

Explanation:

Detailed explanation-1: -It checks the configuration register. It attempts to boot from a TFTP server. It loads the first image file in flash memory. It inspects the configuration file in NVRAM for boot instructions. 28-Jul-2020

Detailed explanation-2: -By default, the IOS software is loaded from flash memory in all Cisco routers. Other possible location of the IOS image is a TFTP (Trivial File Transfer Protocol) server, configured in a computer).

Detailed explanation-3: -When a router is booting up, it searches its configuration register to determine where to find the Cisco IOS® Software. After the Cisco IOS Software has been loaded, the router attempts to load the configuration file, if one exists. This file contains all the user-specified configuration information for the router.

Detailed explanation-4: -Starting POST Test and Bootstrap. Locating and Installing IOS. Finding and Running the Initial Configuration File. Router Initial Setup. 07-Mar-2020

There is 1 question to complete.