Answer :
Final answer:
To load a new version of the Cisco IOS into a router, the correct command is 'copy tftp flash'. It's used to copy an IOS image from a TFTP server into the flash memory of the router. Hence the correct option is (d).
Explanation:
In the context of managing a router in a networking environment, when you're looking to load a new version of the Cisco Internetwork Operating System (Cisco IOS) into a router, you'd use the command: copy tftp flash.
This command is utilized to copy the IOS image from a Trivial File Transfer Protocol (TFTP) server into the flash memory of the router. As part of the command, 'tftp' refers to the TFTP server from which the IOS image will be sourced, and 'flash' refers to the flash memory of the router where the image will be stored and from which it will run.
Note that the other commands listed in the question are used for different purposes: 'copy flash ftp' would copy an IOS image from the router's flash memory to an FTP server, and 'copy nvram flash' would copy from the router's NVRAM to its flash memory. Neither of these would load a new IOS version onto the router.
Learn more about Cisco IOS Loading here:
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