Answer :
Final answer:
The 'login' command in the [line vty] configuration mode on a Cisco IOS switch prompts remote users to provide a password to access the system, ensuring only authorized individuals can remotely connect.
Explanation:
In the context of setting up remote access on a Cisco IOS switch, issuing the 'login' command in the [line vty] configuration mode has a specific purpose. This command's main function, among the options provided, is A. It prompts remote users to provide a password. This means that whenever a remote user attempts to connect to the switch, they will be asked to enter a password, enhancing the security of the device.
This command does not allow remote users to connect without a password, nor does it enable or disable remote login outright. It also does not directly pertain to granting login privilege levels. Rather, its primary function is to act as a security measure, ensuring only authorized individuals can remotely access the system by providing the correct password.
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