Examkin

Soru

Zorluk: OrtaRemote Access and Out-of-Band Management

A system administrator needs to implement remote management for a cluster of physical servers located in a remote datacenter. During host operating system crashes or pre-boot system checks, standard network management protocols like SSH or RDP are unavailable because the OS network stack is inactive. Which of the following out-of-band management solutions provides administrators with remote graphical display output, keyboard/mouse interaction, and full access to motherboard BIOS settings?

  1. An IP-KVM switch connected directly to the display output and USB ports of the physical serversCevap
  2. B
    An in-band SSH connection configured on port 23 across a dedicated management VLAN
  3. C
    A serial terminal server communicating over UDP sessions connected to host network adapters
  4. D
    SNMPv1 polling agents installed on the host operating system's primary network interfaces

Cevap

An IP-KVM switch connected directly to the display output and USB ports of the physical servers
An IP-KVM device provides true out-of-band management by capturing hardware display signals and translating remote keyboard/mouse inputs over an IP connection. Because it operates independently of the host operating system, administrators can access BIOS setup, perform cold reboots, and diagnose kernel crashes remotely.

Adım Adım Çözüm

1
Identify the key remote management requirements in the scenario.
The scenario requires out-of-band access that works during OS panics/pre-boot states and provides graphical video output alongside keyboard/mouse input.
Software-based in-band tools (like RDP or SSH) depend on the host operating system's kernel and network stack, which are non-functional when the OS freezes or has not booted.
2
Evaluate candidate remote access hardware solutions.
An IP-KVM device connects to physical video outputs (HDMI/VGA/DisplayPort) and USB controller ports, encoding video frames into network packets.
Because it interfaces at the hardware layer outside the host operating system, it grants remote BIOS and pre-boot console access.

Anahtar Kavram

Out-of-Band Remote Access via IP-KVM
Bu soruyu puanla

Konular

Remote Access and Out-of-Band Management

Bu konudan daha fazla soru