Monday, 6 August 2012

CCNA ( Network Basic Question 31 )

Which command is used to upgrade an IOS on a Cisco router?

A. copy tftp run

B. copy tftp start

C. config net

D. copy tftp flash

Answer & Explanation
Answer: Option D


The copy tftp flash command places a new file in flash memory, which is the default location for the Cisco IOS in Cisco routers.


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