IBM Exam C2090-616 Topic 4 Question 42 Discussion

Actual exam question for IBM's C2090-616 exam

Question #: 42
Topic #: 4

[All C2090-616 Questions]

With HADR, which of the following configuration and topology choices provides the highest level of protection from potential loss of data in a pureScale environment?

APrincipal standby with SYNC synchronization mode

BAuxiliary standby with SYNC synchronization mode

CPrincipal standby with NEARSYNC synchronization mode

DAuxiliary standby with SUPERSYNC synchronization mode

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Suggested Answer: A

Standby databases are synchronized with the primary database through log data that is generated on the primary and shipped to the standbys. The standbys constantly roll forward through the logs. You can choose from four different synchronization modes. In order of most to least protection, these are SYNC, NEARSYNC, ASYNC, and SUPERASYNC.

by Delisa at Jun 26, 2022, 09:07 AM

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