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Exam AZ-305 topic 4 question 58 discussion

Actual exam question from Microsoft's AZ-305
Question #: 58
Topic #: 4
[All AZ-305 Questions]

You plan to move a web app named App1 from an on-premises datacenter to Azure.
App1 depends on a custom COM component that is installed on the host server.
You need to recommend a solution to host App1 in Azure. The solution must meet the following requirements:
✑ App1 must be available to users if an Azure datacenter becomes unavailable.
✑ Costs must be minimized.
What should you include in the recommendation?

  • A. In two Azure regions, deploy a load balancer and a web app.
  • B. In two Azure regions, deploy a load balancer and a virtual machine scale set.
  • C. Deploy a load balancer and a virtual machine scale set across two availability zones.
  • D. In two Azure regions, deploy an Azure Traffic Manager profile and a web app.
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️

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Eltooth
Highly Voted 2 years, 11 months ago
Selected Answer: C
Question states “data centre unavailable” not region and minimise cost. This only leaves option C.
upvoted 43 times
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bkrich
Highly Voted 2 years, 11 months ago
Selected Answer: C
I think C is correct, once it said "App1 depends on a custom COM component that is installed on the host server" that sounds like you will need an actual VM.
upvoted 21 times
_Noe_
2 years, 10 months ago
Yes, I agree
upvoted 4 times
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SeMo0o0o0o
Most Recent 3 weeks, 1 day ago
Selected Answer: C
C is correct
upvoted 1 times
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Lazylinux
7 months, 2 weeks ago
Selected Answer: C
Given answer is correct Data Center = Zone and Cost => Zone cheaper than region
upvoted 1 times
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cris_exam
8 months, 1 week ago
I can see that C appears to be the closest to the correct answer, but what if by sheer bad luck, the 2 availability sets I create within the region end up to be sitting within the same Data Center, perhaps the same Server rack?? Availability set granular location cannot be controlled - hence, this solution is not optimal imo. But yeah, closest good answer and based on hopeful luck is C. :)
upvoted 1 times
cris_exam
8 months, 1 week ago
Need to correct what I said - it was late studying these questions when I wrote the above and I missed that it said Availability ZONES but my brain was thinking about Availability SETS. C is indeed the correct answer. :)
upvoted 1 times
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Fidel_104
9 months ago
Selected Answer: C
Got this on today's exam (March of 2024), answer is correct.
upvoted 1 times
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mtc9
9 months, 1 week ago
Load balancer does not work across regions, that leaves traffic manager+web app in multiple regions OR load balancer + vm in 2 availability zone. Requirement says it needs to be zone redundant, not region redundant, so that suggests LB+vms in 2 availability zones Additionally COM component can be installed only on VM not web app
upvoted 2 times
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JimmyYop
10 months, 2 weeks ago
appeared in Exam 01/2024
upvoted 3 times
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AKA1987
1 year, 7 months ago
Sorry, update: Option C, which is to deploy a load balancer and a virtual machine scale set across two availability zones, is a valid solution to ensure high availability and meet the requirement of App1 being available to users if an Azure datacenter becomes unavailable. Using Availability Zones ensures that the web app and its components are spread across multiple datacenters within the same region, which provides a high level of resiliency and fault tolerance. In the event of a localized infrastructure failure within a region, the web app would continue to be available from the other availability zone. Therefore, in this scenario, Option C is a better answer as it meets the requirement of ensuring high availability of the web app in case of a datacenter failure, while also being more cost-effective than deploying across multiple regions.
upvoted 2 times
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AKA1987
1 year, 7 months ago
ChatGPT says: The correct answer for this scenario would be D. In two Azure regions, deploy an Azure Traffic Manager profile and a web app. Using Azure Traffic Manager, you can route incoming traffic to different Azure regions hosting the web app, ensuring that the app remains available even if one region becomes unavailable. You can choose from a range of traffic-routing methods, including priority, performance, and geographic, based on your requirements. Deploying a load balancer and a virtual machine scale set (Options A and B) is not recommended for hosting web apps that rely on COM components. Also, a virtual machine scale set may require additional maintenance and management overhead. Deploying a load balancer and a virtual machine scale set across two availability zones (Option C) may provide high availability, but it may not meet the requirement to minimize costs. Therefore, the correct answer is D. In two Azure regions, deploy an Azure Traffic Manager profile and a web app.
upvoted 2 times
betterthanlife
1 year, 7 months ago
Therefore your brain is jello.
upvoted 4 times
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Trillionairejeffe
1 year, 5 months ago
don't trust chatgpt dude
upvoted 4 times
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AdventureChick
1 year, 2 months ago
No ChatGPT is just proving that human brains are still better. All you need is Availability Zones. Using 2 Regions costs more. Why use ChatGPT when a lot of people gave the explanations of why it's C.
upvoted 2 times
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malcubierre
1 year, 8 months ago
Selected Answer: C
A -> webapp -> No COM B -> LB cannot be in two regions C -> OK D -> webapp -> No COM
upvoted 4 times
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zellck
1 year, 9 months ago
Selected Answer: C
C is the answer. https://learn.microsoft.com/en-us/azure/virtual-machines/availability#virtual-machines-scale-sets Azure virtual machine scale sets let you create and manage a group of load balanced VMs. The number of VM instances can automatically increase or decrease in response to demand or a defined schedule. Scale sets provide high availability to your applications, and allow you to centrally manage, configure, and update many VMs. There is no cost for the scale set itself, you only pay for each VM instance that you create. https://learn.microsoft.com/en-us/azure/virtual-machines/availability#load-balancer Combine the Azure Load Balancer with availability zones and scale sets to get the most application resiliency. The Azure Load Balancer distributes traffic between multiple virtual machines.
upvoted 4 times
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OPT_001122
1 year, 10 months ago
Selected Answer: C
C. Deploy a load balancer and a virtual machine scale set across two availability zones.
upvoted 1 times
OPT_001122
1 year, 10 months ago
data centre unavailable + Com component leads to C
upvoted 1 times
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Malik007
1 year, 10 months ago
Appear in exam.
upvoted 4 times
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AzureJobsTillRetire
1 year, 11 months ago
Selected Answer: C
To help me to remember, availability zone = data center
upvoted 1 times
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Dudulle
2 years ago
Selected Answer: C
Quite obvious: custom COM + reduced costs + zone (or more) redundancy = C
upvoted 2 times
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Darkx
2 years, 1 month ago
appeared on 11th Oct 2022
upvoted 4 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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