Which two statements correctly describe the components of a router?1. RAM permanently stores the configuration file used during the boot sequence.2. ROM contains diagnostics executed on hardware modules.3. NVRAM stores a backup copy of the IOS used during the boot sequence.4. Flash memory does not lose its contents during a reboot.5. ROM contains the most current and most complete version of the IOS.6. Flash contains boot system commands to identify the location of the IOS