350-601 Storage Network Practice Question
Which TWO statements correctly describe the difference between synchronous and asynchronous replication?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Asynchronous replication has lower impact on application performance
Synchronous replication has zero RPO but can impact performance due to latency, while asynchronous replication has a lower performance impact but may have some data loss (nonzero RPO).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Asynchronous replication requires dedicated links
Why it's wrong here
Both can use shared links, but synchronous may require lower latency.
- ✓
Asynchronous replication has lower impact on application performance
Why this is correct
Asynchronous replication does not wait for remote acknowledgment, reducing latency impact.
- ✓
Synchronous replication provides zero recovery point objective (RPO)
Why this is correct
Synchronous replication ensures no data loss.
- ✗
Synchronous replication is more tolerant of high latency links
Why it's wrong here
Synchronous replication is sensitive to latency.
- ✗
Asynchronous replication guarantees zero data loss
Why it's wrong here
Asynchronous replication may have data loss depending on the replication lag.
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