When performing system updates and configurations in an environment with strict uptime requirements, which management method allows network administrators to maintain control even during network outages?
API
Telnet
Out-of-band management
SSH
Out-of-band management provides an alternative path for network administration that is not dependent on the regular network infrastructure. This management method typically involves a dedicated management channel like a serial console port that allows administrators to manage network devices directly, bypassing the primary network interfaces. This is particularly vital during network outages, ensuring administrators can still access and control devices. In-band management methods such as SSH, Telnet, and API all rely on network connectivity to the devices and therefore may not be available during network outages.
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