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Dell EMC Exam DEA-1TT5 Topic 1 Question 28 Discussion
Topic #: 1
A customer uses FCIP to connect local and remote FC SANs. The remote SAN is continuously replicated to, and used to store
daily backup dat
a. Latency over the IP WAN increases to unacceptable levels during peak replication periods. No other data
transfer services using the WAN experience the same latency problem.
What is the likely cause of the data replication performance issue?
When an Ethernet frame is larger than the maximum transmission unit (MTU) of a link, it must be fragmented into smaller pieces, which are sent separately and reassembled at the receiver. This is known as IP packet segmentation. Fragmentation and reassembly of the IP packets can add significant latency and can cause performance issues for FCIP. In this scenario, the issue is specific to data replication, indicating that the issue is with the FCIP configuration or the replication application. The other options, B, C, and D, are unrelated to the issue.
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