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Question 35

Scenario: A Citrix Architect is developing a Citrix Provisioning (PVS) design for a healthcare organization. The initial design places all PVS farm components in the primary data center of the organization. The customer asks if the vDisk can be streamed from PVS servers in the primary data center to target devices located in a secondary data center in another region, while still maintaining good performance. The data centers are connected with a 10 GB link with approximately 20 ms of latency.

The architect recommends against the organization pursuing this approach.

Which statement is a relevant reason for this recommendation?

    Correct Answer: A

    Streaming vDisks across data centers introduces excessive latency, especially given the 20 ms latency described. High latency can significantly degrade the performance of vDisk streaming, which is sensitive to latency. Therefore, in this scenario, latency is the primary concern preventing optimal performance.

Discussion
cloudaccountOption: A

Correct answer is A. In the current configuration, all Citrix Provisioning components are placed in the primary datacenter except for the target devices, hence latency between PVS servers and the PVS database is not an issue. The blocking issue is that latency between the two datacenters is higher than 15 ms and this would affect streaming traffic.

certhunterfembotOption: A

B is not correct because PVS and SQL are in the same place. C doesn't matter because all PVS servers are back at the main datacenter. D is not right because 10gbps is the recommended minimum for PVS. A must be the answer. See below. "If having a global PVS Farm across data centers is required, Citrix recommends additional testing to confirm network performance and reliability, this is especially relevant for networks with higher latency (>15ms). If reliability and performance cannot be guaranteed then it is best to implement multiple PVS farms with local SQL databases for optimal performance and reliability." https://support.citrix.com/article/CTX220651

d0bermannnOption: A

A. This configuration would introduce excessive latency in streaming traffic.

bonepinOption: B

I would say B if I look at the link provided, If having a global PVS Farm across data centers is required, Citrix recommends additional testing to confirm network performance and reliability, this is especially relevant for networks with higher latency (>15ms). If reliability and performance cannot be guaranteed then it is best to implement multiple PVS farms with local SQL databases for optimal performance and reliability.