nerdexam
Citrix

1Y0-401 · Question #41

An architect is recommending an antivirus policy for Provisioning Services servers that are being used to provision pooled desktops. Which two options should the architect recommend for optimal…

The correct answer is B. Prohibit write cache scanning D. Exclude scanning of the target device drivers. For optimal performance of antivirus on Provisioning Services (PVS) servers provisioning pooled desktops, it is recommended to disable scanning of the write cache and exclude scanning of PVS target device drivers.

Design Operational Management and Security

Question

An architect is recommending an antivirus policy for Provisioning Services servers that are being used to provision pooled desktops. Which two options should the architect recommend for optimal performance? (Choose two.)

Options

  • AEnable scan on read
  • BProhibit write cache scanning
  • CIncrease scheduled scanning frequency
  • DExclude scanning of the target device drivers

How the community answered

(48 responses)
  • A
    13% (6)
  • B
    79% (38)
  • C
    8% (4)

Why each option

For optimal performance of antivirus on Provisioning Services (PVS) servers provisioning pooled desktops, it is recommended to disable scanning of the write cache and exclude scanning of PVS target device drivers.

AEnable scan on read

Enabling "scan on read" would significantly increase I/O operations and resource consumption on PVS servers, which are already I/O intensive, leading to poor performance for streamed desktops.

BProhibit write cache scanningCorrect

Prohibiting write cache scanning is crucial for PVS performance because the write cache is highly active and constantly changing, and scanning it would introduce significant I/O overhead and performance degradation.

CIncrease scheduled scanning frequency

Increasing scheduled scanning frequency would place more stress on the PVS servers and the underlying storage, negatively impacting performance, especially in a streaming environment where resources are shared.

DExclude scanning of the target device driversCorrect

Excluding scanning of the target device drivers (such as the PVS stream driver) prevents unnecessary scanning of core system components, reducing resource consumption and avoiding potential conflicts or performance issues on the PVS server and target devices.

Concept tested: Citrix Provisioning Services antivirus optimization exclusions

Source: https://docs.citrix.com/en-us/provisioning/current-release/install-configure/antivirus-considerations.html

Topics

#Provisioning Services#Antivirus policy#Performance optimization#Pooled desktops

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