During the boot sequence, a 2600 series router needs to locate and load an operating system.
What is the default order the router uses to find an operating system?

A.
Flash, TFTP server, ROM

B.
Flash, TFTP server, RAM

C.
Flash, NVRAM, TFTP server

D.
ROM, TFTP server, Flash

E.
Flash, ROM, TFTP server

Explanation: