5.3.1: The Cisco IOS command-line interface (CLI) provides the following configuration modes:
• User access or user EXEC: When you power up a switch, you receive user access by default. In this mode you can only execute commands that show basic information about the operation of the device or test connectivity. The CLI prompt for this mode looks like this:
• Privileged EXEC: If you enter enable at the prompt for user access, you enter privileged EXEC mode. This mode allows you to adjust the operation of a switch and view additional information about a switch, including configuration files. The CLI prompt for this mode looks like this:
• Global configuration: If you enter configure terminal at the privileged ...