Which Cisco Internetwork Operating System (IOS) command is used to make the running configuration in Random Access Memory (RAM) to the configuration the router will use at startup?

A.	copy running-config startup-config
B.	copy flash running-config
C.	copy tftp flash
D.	copy running-config flash memory
E.	copy startup-config tftp
F.	copy tftp running-config
G.	copy running-config tftp