Final answer:
The configuration command used to log successful logins is 'login logging'. This command is used on network devices such as routers and switches to enable the logging feature and capture successful login events.
Step-by-step explanation:
The configuration command used to log successful logins is login logging. This command is used on network devices such as routers and switches to enable the logging feature and capture successful login events.
For example, in Cisco IOS devices, the command is login logging synchronous, which enables synchronous logging of successful logins.
By configuring this command, administrators can track and monitor successful login events, which can be helpful for auditing purposes and detecting any unauthorized access attempts.
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