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  3. What will a new Ezonexam router do during startup if a configuration file is not located in NVRAM?

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

admin2009-05-19  55
问题 What will a new Ezonexam router do during startup if a configuration file is not located in NVRAM?
选项 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.
答案C
解析 Explanation:
When a router boots and is able to locate the IOS it begins to load the configuration file. The configuration file, saved in NVRAM, is loaded into main memory and executed one line at a time. These configuration commands start routing processes, supply addresses for interfaces, and set media characteristics.

If no configuration file exists in NVRAM, the router attempts a network boot and sends a broadcast request for the file on a TFTP server. If this is also not found, the operating system executes a question-driven initial configuration routine called the system configuration dialog.
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