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Exam AZ-120 topic 7 question 2 discussion

Actual exam question from Microsoft's AZ-120
Question #: 2
Topic #: 7
[All AZ-120 Questions]

HOTSPOT -
You are planning replication of the SAP HANA database for the disaster recovery environment in Azure.
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
Hot Area:

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Suggested Answer:
Box 1: No -
SAP HANA Replication consists of one primary node and at least one secondary node. Changes to the data on the primary node are replicated to the secondary node synchronously or asynchronously.

Box 2: No -
Since SPS11 SAP HANA system replication can be run in two different operation modes:
✑ delta_datashipping
✑ logreplay

Box 3: Yes -
Reference:
https://docs.microsoft.com/en-us/azure/virtual-machines/workloads/sap/sap-hana-high-availability-rhel https://blogs.sap.com/2018/01/08/your-sap-on-azure-part-4-high-availability-for-sap-hana-using-system-replication/
by Sourabh1703 at June 26, 2020, 4:56 a.m.

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Kapsy
Highly Voted 4 years, 3 months ago
Option A - No. Sync mode is mostly used for High Availability, also recommended when the nodes are within 100Kms distance. Option B - Must be No. Operation modes must be identical between nodes in a Multi node replication and there is nothing mentioned in the question about the modes. Option C - ? Azure AD application for failover, not sure about this.
upvoted 6 times
SteveChai
3 years, 8 months ago
Option C, should be Yes,
upvoted 6 times
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maybelline_ny
4 years, 3 months ago
Azure AD application is required for the STONITH using azure fencing agent, to shut down VMs and prevent splitbrain. Using the fencing agent instead of using a VM as iSCSI STONITH device is to meet the business requirements to - minimize costs whenever possible.
upvoted 6 times
Avanade2023
3 years, 5 months ago
Is STONITH used for disaster recovery?
upvoted 1 times
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stevethai
Most Recent 4 months, 3 weeks ago
Answers should be all No. 3rd question should be No (as AD has nothing to do with failover, it is for network authentication)
upvoted 2 times
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Moria
2 years, 1 month ago
i think N/Y/Y
upvoted 1 times
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hardlallu
3 years, 7 months ago
Option B, NO is correct. Minimize the bandwidth used for database synchronization. https://help.sap.com/viewer/6b94445c94ae495c83a19646e7c3fd56/2.0.03/en-US/627bd11e86c84ec2b9fcdf585d24011c.html
upvoted 1 times
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Sourabh1703
4 years, 4 months ago
first box is indeed No, although case study indicates that they need minimal downtime, across regions, from on-prem to Azure scenarios only support asyc replication ( more than 100 kms)
upvoted 3 times
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C (25%)
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