XK0-005 Question #1326: Real Exam Question with Answer & Explanation

The correct answer is A: PXE. Preboot eXecution Environment (PXE) allows a computer to boot from a network server without an operating system installed on its local storage. It specifically supports booting from network-hosted images, including ISOs.

System Management

Question

Which of the following will boot from a network-hosted ISO image at power on?

Options

APXE
BFTP
CiSCSI
DNFS

Explanation

Preboot eXecution Environment (PXE) allows a computer to boot from a network server without an operating system installed on its local storage. It specifically supports booting from network-hosted images, including ISOs.

Common mistakes.

B. FTP (File Transfer Protocol) is used for transferring files between computers but does not provide a boot environment or protocols necessary to initiate a system boot from a network.
C. iSCSI (Internet Small Computer System Interface) allows client machines to access storage devices over a network, making a remote disk appear local, but it's not a direct network boot protocol for ISO images at power-on.
D. NFS (Network File System) allows remote file systems to be mounted and accessed locally, which can be part of a network boot process, but NFS itself is not the protocol that initiates the network boot at power-on from an ISO.

Concept tested. Network boot protocols

Reference. https://learn.microsoft.com/en-us/windows/deployment/deploy-windows-pxe/understand-pxe

Topics

#Network booting#PXE#Boot process#Network services

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