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31 Days Before Your CCENT Certification by Scott Bennett

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CCNA Discovery 2, Chapter 5

5.3.1: As discussed on Day 23 for the switch, the Cisco IOS CLI provides the following command modes:

User EXEC mode is the default mode, where you can view information about the operation of a switch and test connectivity.

Privileged EXEC mode allows you to adjust the router’s operation and view configuration files.

Global configuration mode allows you to configure the router and enter submodes for specific configurations.

5.3.2: If you enter the help command at the command prompt, the Cisco CLI describes the help system. You can also use the question mark for additional help in the following ways:

• If you enter the first few letters of a command with a question mark at the end (no space), the output lists ...

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