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70-243 · Question #90

You have a System Center 2012 Configuration Manager environment. You deploy a site server named Lab1 to use for Pre-boot Execution Environment (PXE) installations on client computers in your…

The correct answer is C. Modify the Boot Server Host Name scope option on the DHCP server. DHCP scope option 66 (Boot Server Host Name) controls which PXE server clients are directed to, and scoping it to only the training room subnet prevents other departments from receiving PXE prompts from Lab1.

Managing Operating System Deployment (OSD)

Question

You have a System Center 2012 Configuration Manager environment. You deploy a site server named Lab1 to use for Pre-boot Execution Environment (PXE) installations on client computers in your training room. Administrators from other departments report that they are being prompted for PXE installations that should be available to only the client computers in your training room. You need to ensure that only the client computers in your training room receive the PXE installations from Lab1. What should you do?

Options

  • AModify the Broadcast Address scope option on the DHCP server.
  • BModify the Static Route option on the DHCP server.
  • CModify the Boot Server Host Name scope option on the DHCP server.
  • DPublish the PXE server by using a fully qualified domain name (FQDN).

How the community answered

(31 responses)
  • A
    23% (7)
  • B
    3% (1)
  • C
    65% (20)
  • D
    10% (3)

Why each option

DHCP scope option 66 (Boot Server Host Name) controls which PXE server clients are directed to, and scoping it to only the training room subnet prevents other departments from receiving PXE prompts from Lab1.

AModify the Broadcast Address scope option on the DHCP server.

The Broadcast Address DHCP scope option defines the subnet broadcast address and has no effect on which PXE server clients are directed to.

BModify the Static Route option on the DHCP server.

The Static Route DHCP option configures IP routing information for clients and does not control PXE server assignment.

CModify the Boot Server Host Name scope option on the DHCP server.Correct

DHCP option 66 (Boot Server Host Name) specifies which boot server clients should contact for PXE. By modifying this scope option only on the DHCP scope covering the training room subnet, only those clients will be directed to Lab1. Other department clients, served by different DHCP scopes without this option pointing to Lab1, will not receive PXE prompts from it.

DPublish the PXE server by using a fully qualified domain name (FQDN).

Publishing the PXE server by FQDN makes it more discoverable but does not restrict which clients receive PXE prompts from it.

Concept tested: DHCP scope option 66 for targeted PXE deployment

Source: https://learn.microsoft.com/en-us/mem/configmgr/osd/deploy-use/use-pxe-to-deploy-windows-over-the-network

Topics

#PXE installation#DHCP scope options#Boot Server Host Name#OSD restriction

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