What will a router do during startup if a configuration file is not located in NVRAM?（）

• A、it will search for the configuration file in the locations specified by boot system commands.
• B、it will search for the configuration file in flash and if no configuration file is found there, it will enter the setup dialog.
• C、it will search for the configuration file on a TFTP server and if no configuration file is found there, it will enter the setup dialog.
• D、it will search for the configuration file in flash and if no configuration file is found there, it will load a limited configuration file from ROM.
• E、it will search for the configuration file on a TFTP server and if no configuration file is found there, it will load a limited configuration file from ROM.