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Question 295 - SK0-005 discussion

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An administrator has been asked to disable CPU hyperthreading on a server to satisfy a licensing issue. Which of the following best describes how the administrator will likely perform this action?

A.
Use a RDP/VNC session.
Answers
A.
Use a RDP/VNC session.
B.
Modify the startup configuration.
Answers
B.
Modify the startup configuration.
C.
Use a PowerSheII/Bash script.
Answers
C.
Use a PowerSheII/Bash script.
D.
Use the BIOS/UEFI setup.
Answers
D.
Use the BIOS/UEFI setup.
Suggested answer: D

Explanation:

The BIOS (Basic Input/Output System) or UEFI (Unified Extensible Firmware Interface) setup is a program that allows users to configure the hardware settings of a computer, such as the CPU, memory, disk, and boot options. The BIOS/UEFI setup can be accessed by pressing a specific key (such as F2, F10, or Delete) during the boot process, before the operating system loads12.

One of the settings that can be changed in the BIOS/UEFI setup is the CPU hyperthreading option.

Hyperthreading is a technology that enables a single physical CPU core to execute two threads or tasks simultaneously, improving the performance and efficiency of multi-threaded applications. However, some software licenses may limit the number of CPU cores or threads that can be used, and therefore require disabling hyperthreading on the server34.

To disable hyperthreading on a server, the administrator will likely need to enter the BIOS/UEFI setup and navigate to the processor options menu. There, the administrator will find a setting for Intel о Hyperthreading Technology or Hyperthreading Function, which can be enabled or disabled. The administrator will need to disable this setting and save the changes. This will turn off hyperthreading on the server and reduce the number of logical CPUs to match the number of physical cores5.

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asked 02/10/2024
Piroon Dechates
24 questions
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