SK0-004 · Question #840
While performing critical maintenance on a remote server, the administrator loses connectivity to the server but is still able to connect to other servers in a central management LAN on the network…
The correct answer is C. iLO. iLO (Integrated Lights-Out) provides out-of-band server management that operates independently of the server OS and primary network stack. It is the only listed option that remains accessible when the server is unresponsive or its primary network connection is lost.
Question
While performing critical maintenance on a remote server, the administrator loses connectivity to the server but is still able to connect to other servers in a central management LAN on the network. If already set up, which of the following methods will allow remote troubleshooting of this unreachable server?
Options
- ARDP
- BSSH
- CiLO
- DVNC
How the community answered
(22 responses)- A5% (1)
- C95% (21)
Why each option
iLO (Integrated Lights-Out) provides out-of-band server management that operates independently of the server OS and primary network stack. It is the only listed option that remains accessible when the server is unresponsive or its primary network connection is lost.
RDP requires a functioning Windows OS and active network connectivity to the server's primary IP address, both of which are unavailable when the server is unreachable.
SSH requires the server OS to be running and responding on its network interface, making it unusable when the server has lost in-band connectivity.
iLO is HPE's out-of-band management technology that operates via a dedicated management NIC and independent processor, completely separate from the server's main OS and primary network interfaces. Because it uses its own network path on the management LAN, it remains accessible even when the server OS has crashed or the primary NIC is unreachable, enabling remote console access, power control, and hardware diagnostics.
VNC requires a running OS and an active network connection on the target server, so it cannot be used when the server is unreachable via its primary network path.
Concept tested: Out-of-band server management using iLO
Source: https://www.hpe.com/us/en/servers/integrated-lights-out-ilo.html
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