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Question 65 - VMCE_V12 discussion

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Why is it recommended to have at least one backup proxy server in each site when defining a replica job?

A.
The proxies allow replication automatic restart after failure.
Answers
A.
The proxies allow replication automatic restart after failure.
B.
The proxies allow for no VM snapshots during transit.
Answers
B.
The proxies allow for no VM snapshots during transit.
C.
lt allows deduplication during data transit across the WAN
Answers
C.
lt allows deduplication during data transit across the WAN
D.
The proxies allow automatic WAN acceleration.
Answers
D.
The proxies allow automatic WAN acceleration.
E.
The proxies enable a stable connection for VM data transfer across sites.
Answers
E.
The proxies enable a stable connection for VM data transfer across sites.
F.
It allows for no VM snapshots
Answers
F.
It allows for no VM snapshots
Suggested answer: E

Explanation:

Having at least one backup proxy server in each site when defining a replica job is recommended because the backup proxy servers are responsible for data processing and transfer. Having proxies in both sites enables a stable connection for VM data transfer across sites, as they handle the data compression, deduplication, and transfer processes. This setup ensures that data is efficiently moved from one site to another, thereby making replication more resilient and reliable. Proxies do not automatically restart replication after failure (A), remove the need for VM snapshots during transit (B and F), or enable automatic WAN acceleration (D), although they can work in conjunction with WAN accelerators if configured to do so. They also don't directly deduplicate data during transit across the WAN (C), although they do compress and optimize it for transfer.

asked 23/09/2024
William Takashi Chan
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