Exam AZ-301 topic 17 question 58 discussion

Actual exam question from Microsoft's AZ-301

Question #: 58
Topic #: 17

Your company purchases an app named App1.
You plan to run App1 on seven Azure virtual machines in an Availability Set. The number of fault domains is set to 3. The number of update domains is set to 20.
You need to identify how many App1 instances will remain available during a period of planned maintenance.
How many App1 instances should you identify?

A. 1
B. 2
C. 6
D. 7

Show Suggested Answer

Suggested Answer: C 🗳️
Only one update domain is rebooted at a time. Here there are 7 update domain with one VM each (and 13 update domain with no VM).
Reference:
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/manage-availability

by jivom at Aug. 11, 2020, 5:02 p.m.

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Highly Voted 4 years, 10 months ago

When a planned maintenance is taking place only one update domain is rebooted at a time. This means (at least) 6 instances are available during the maintenance. Answer C) is therefor correct. More information here: https://docs.microsoft.com/en-us/azure/virtual-machines/windows/manage-availability#configure-multiple-virtual-machines-in-an-availability-set-for-redundancy

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