Which two statements correctly describe a router memory type and its contents? (Choose two.)

Which two statements correctly describe a router memory type and its contents? (Choose two.)
ROM is nonvolatile and contains basic diagnostic software.
FLASH is nonvolatile and contains a limited portion of the IOS​.
ROM is nonvolatile and stores the running IOS.
RAM is volatile and stores the IP routing table.
NVRAM is nonvolatile and stores other system files.