NETWORK LAYER
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Flash
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ROM
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NVRAM
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PC RAM
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Detailed explanation-1: -The running configuration is stored in RAM; the startup configuration is stored in NVRAM. To display the current running configuration, enter the show running-config command. Enter the copy running-config startup-config command to save the current running configuration to the startup configuration file in NVRAM.
Detailed explanation-2: -To copy the running-config to NVRAM so that it will be used if the router is restarted, use the copy running-config startup-config command ( copy run start for short).
Detailed explanation-3: -To display the contents of NVRAM (if present and valid) or to show the configuration file pointed to by the CONFIG FILE environment variable, use the show startup-config EXEC command. This command replaces the show configuration command.
Detailed explanation-4: -In either case, you interact with the Cisco IOS command-line interface (CLI) to enter configuration commands. If there is a configuration file stored in NVRAM, it is called the startup configuration.