Which of the following technologies allows a PC to boot an operating system from a separate network location?
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Answer Description
Preboot Execution Environment (PXE) is an industry standard protocol that allows a computer to boot an operating system from a network server. It is typically used to configure new PC's, often in bulk.
Wikipedia
In computing, the Preboot eXecution Environment, PXE (most often pronounced as pixie, often called PXE Boot/pixie boot.) specification describes a standardized client–server environment that boots a software assembly, retrieved from a network, on PXE-enabled clients. On the client side it requires only a PXE-capable network interface controller (NIC), and uses a small set of industry-standard network protocols such as DHCP and TFTP.
The concept behind the PXE originated in the early days of protocols like BOOTP/DHCP/TFTP, and as of 2015 it forms part of the Unified Extensible Firmware Interface (UEFI) standard. In modern data centers, PXE is the most frequent choice for operating system booting, installation and deployment.
Preboot_Execution_Environment - Wikipedia, the free encyclopedia 