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Exam AZ-120 topic 2 question 9 discussion

Actual exam question from Microsoft's AZ-120

Question #: 9
Topic #: 2

HOTSPOT -
You have SAP ERP on Azure.
For SAP high availability, you plan to deploy ASCS/ERS instances across Azure Availability Zones and to use failover clusters.
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:

Show Suggested Answer

Suggested Answer:

Box 1: No -
You can't use an Azure Basic Load Balancer to create failover cluster solutions based on Windows Server Failover Clustering or Linux Pacemaker. Instead, you need to use the Azure Standard Load Balancer SKU.

Box 2: Yes -
Azure Availability Zones is one of the high-availability features that Azure provides. Using Availability Zones improves the overall availability of SAP workloads on
Azure.
The SAP application layer is deployed across one Azure availability set. For high availability of SAP Central Services, you can deploy two VMs in a separate availability set.

Box 3: Yes -
You must use Azure Managed Disks when you deploy to Azure Availability Zones.
Reference:
https://docs.microsoft.com/en-us/azure/virtual-machines/workloads/sap/sap-ha-availability-zones

by deepu_agrawal at June 23, 2020, 4:20 p.m.

Comments

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GiuseppeF

Highly Voted 4 years ago

The right answer should be: No, No, Yes. From: https://docs.microsoft.com/en-us/azure/virtual-machines/workloads/sap/sap-ha-availability-zones 1) For the load balancers of the failover clusters of SAP Central Services and the DBMS layer, you need to use the Standard SKU Azure Load Balancer. The Basic Load Balancer won't work across zones. 2) No. Is not possible to deploy availability set in availability zone. The use of proximity placement group must be considered for the application server and not for cluster nodes. 3) Yes. Unmanaged disks aren't supported for zonal deployments. Is not possible to use Availability set in Availability zone

upvoted 23 times

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McDee

Highly Voted 4 years ago

No Yes - with PPG this is possible Yes

upvoted 13 times

Nav3

3 years, 11 months ago

Go with McDee . Combine availability sets and Availability Zones with proximity placement groups https://docs.microsoft.com/en-us/azure/virtual-machines/workloads/sap/sap-proximity-placement-scenarios

upvoted 5 times

Avanade2023

3 years, 10 months ago

Yes, you are right. but you just can combine availability sets and Availability Zones, you cannot deploy a availability set into any Availability Zone. So, the second statement is No.

upvoted 4 times

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ITDog99

Most Recent 1 year, 1 month ago

https://learn.microsoft.com/en-https://learn.microsoft.com/en-us/azure/architecture/guide/sap/sap-netweaver there is a sentence of below: "For example, don't place an ASCS node in the same availability set as the application servers."

upvoted 1 times

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petercorn

1 year, 7 months ago

NNY. https://learn.microsoft.com/en-us/training/modules/implement-high-availability-for-sap-workloads-azure/20-knowledge-check

upvoted 2 times

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twtm

1 year, 10 months ago

No - Has to be Standard Load Balancer No - It's either AV Sets or AV Zones, can't have both, also question says nothing about proximity groups. Yes - Managed Disks are required

upvoted 2 times

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AJ_SAP

3 years, 1 month ago

Availability Zones and Availability Sets cannot be used together: when creating a Virtual Machine (VM), you will have to specify an AS, or AZ assignment, you cannot do both. So the correct ans is No No Yes

upvoted 2 times

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Sjn9

3 years, 2 months ago

No, Yes, Yes

upvoted 4 times

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Kaiju

3 years, 4 months ago

NO, YES, YES Second is YES - as per "You can deploy Azure availability sets within Azure Availability Zones when you use a proximity placement group." in https://docs.microsoft.com/en-us/azure/architecture/reference-architectures/sap/sap-netweaver under "Availability Sets".

upvoted 4 times

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Shub94

3 years, 5 months ago

Ans: No, Yes, Yes

upvoted 3 times

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Bhagirathi

3 years, 7 months ago

No Yes Yes - this is given as solution and it holds good.

upvoted 2 times

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r05han

3 years, 7 months ago

This doc should help with the answer for second statement : https://docs.microsoft.com/en-us/azure/virtual-machines/workloads/sap/sap-proximity-placement-scenarios#combine-availability-sets-and-availability-zones-with-proximity-placement-groups

upvoted 2 times

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lovingsmart2000

3 years, 9 months ago

Second is YES. You can deploy Azure availability sets within Azure Availability Zones when you use a proximity placement group. Exact reference: https://docs.microsoft.com/en-us/azure/architecture/reference-architectures/sap/sap-netweaver

upvoted 4 times

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AmoghU

4 years ago

No Yes Yes

upvoted 5 times

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v1n2

4 years, 1 month ago

B should be Yes: Source: https://docs.microsoft.com/en-us/azure/architecture/reference-architectures/sap/sap-netweaver

upvoted 4 times

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schalke04

4 years, 1 month ago

Second ans is Yes : You can't deploy Azure availability sets within an Azure Availability Zone unless you use Azure Proximity Placement Group.

upvoted 5 times

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deepu_agrawal

4 years, 1 month ago

No , No , Yes

upvoted 7 times

Sourabh1703

4 years, 1 month ago

second question is YES, Av Set within Av Zones can be used for redundancy

upvoted 13 times

syswiz85

2 years, 9 months ago

It's No, No, Yes. You guys are not reading the question clearly, you can't deploy an AS within an AZ. It's ONE OR THE OTHER. Let's not confuse people.

upvoted 2 times

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