Which key completes abbreviated commands and parameters in the Cisco IOS CLI?

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Multiple Choice

Which key completes abbreviated commands and parameters in the Cisco IOS CLI?

Explanation:
The Tab key is used to complete abbreviated commands and parameters in the Cisco IOS CLI. When you type part of a command or a parameter and press Tab, the CLI fills in the rest if there’s a unique match, speeding up input and reducing typos. If more than one command could match what you typed, pressing Tab twice will show you the possible options so you can pick the right one. In contrast, the space bar just moves to the next token, the up arrow recalls previous commands, and the question mark lists available options rather than auto-completing. So the Tab key is the one that completes abbreviated commands and parameters.

The Tab key is used to complete abbreviated commands and parameters in the Cisco IOS CLI. When you type part of a command or a parameter and press Tab, the CLI fills in the rest if there’s a unique match, speeding up input and reducing typos. If more than one command could match what you typed, pressing Tab twice will show you the possible options so you can pick the right one. In contrast, the space bar just moves to the next token, the up arrow recalls previous commands, and the question mark lists available options rather than auto-completing. So the Tab key is the one that completes abbreviated commands and parameters.

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