2V0-621 · Question #99
Which three parameters should be considered when calculating the bandwidth for vSphere Replication? (Choose three.)
The correct answer is A. Data change rate B. Traffic rates C. Link speed. Calculating the required bandwidth for vSphere Replication depends on how much data changes, what network traffic already exists, and the raw speed of the link available.
Question
Which three parameters should be considered when calculating the bandwidth for vSphere Replication? (Choose three.)
Options
- AData change rate
- BTraffic rates
- CLink speed
- DApplication type
- EHardware type
How the community answered
(57 responses)- A86% (49)
- D9% (5)
- E5% (3)
Why each option
Calculating the required bandwidth for vSphere Replication depends on how much data changes, what network traffic already exists, and the raw speed of the link available.
Data change rate (also called the write rate or churn rate) determines the volume of data that must be transferred per replication cycle, making it the primary driver of bandwidth demand.
Existing traffic rates on the network link must be considered because vSphere Replication shares bandwidth with other workloads, reducing the effective capacity available.
Link speed sets the absolute ceiling of available bandwidth; replication requirements must fit within this limit, often alongside throttling configurations.
Application type is not a direct input to bandwidth calculation; its relevance is indirect and already captured by the resulting data change rate.
Hardware type does not factor into network bandwidth calculations for replication; storage and CPU hardware characteristics do not determine WAN or LAN link capacity.
Concept tested: vSphere Replication bandwidth calculation parameters
Source: https://docs.vmware.com/en/vSphere-Replication/8.8/vsphere-replication-administration/GUID-B84B5C98-F71F-4DE5-A8A4-6D5B89A8A8D4.html
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