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Exam AZ-300 topic 5 question 3 discussion

Actual exam question from Microsoft's AZ-300

Question #: 3
Topic #: 5

SIMULATION -
Click to expand each objective. To connect to the Azure portal, type https://portal.azure.com in the browser address bar.

When you are finished performing all the tasks, click the "˜Next' button.
Note that you cannot return to the lab once you click the "˜Next' button. Scoring occur in the background while you complete the rest of the exam.

Overview -
The following section of the exam is a lab. In this section, you will perform a set of tasks in a live environment. While most functionality will be available to you as it would be in a live environment, some functionality (e.g., copy and paste, ability to navigate to external websites) will not be possible by design.
Scoring is based on the outcome of performing the tasks stated in the lab. In other words, it doesn't matter how you accomplish the task, if you successfully perform it, you will earn credit for that task.
Labs are not timed separately, and this exam may have more than one lab that you must complete. You can use as much time as you would like to complete each lab. But, you should manage your time appropriately to ensure that you are able to complete the lab(s) and all other sections of the exam in the time provided.
Please note that once you submit your work by clicking the Next button within a lab, you will NOT be able to return to the lab.

To start the lab -
You may start the lab by clicking the Next button.
You need to deploy an application gateway named appgw1015 to meet the following requirements:
✑ Load balance internal IP traffic to the Azure virtual machines connected to subnet0.
✑ Provide a Service Level Agreement (SLA) of 99,99 percent availability for the Azure virtual machines.
What should you do from the Azure portal?

Show Suggested Answer

Suggested Answer: See explanation below.
Step 1:
Click New found on the upper left-hand corner of the Azure portal.
Step 2:
Select Networking and then select Application Gateway in the Featured list.
Step 3:
Enter these values for the application gateway:
appgw1015 - for the name of the application gateway.

SKU Size: Standard_V2 -
The new SKU [Standard_V2] offers autoscaling and other critical performance enhancements.

Step 4:
Accept the default values for the other settings and then click OK.
Step 5:
Click Choose a virtual network, and select subnet0.
References:
https://docs.microsoft.com/en-us/azure/application-gateway/application-gateway-create-gateway-portal

by mm2 at Oct. 22, 2019, 11:40 a.m.

Comments

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hilmit

Highly Voted 5 years, 1 month ago

In Application Gateway create Tier: Standart v2 (It supports AZ) Enable Auto-Scaling: False Scale Units: 2 Availability Zone: select 1-2 or 2-3 or 1-3.. Required for %99.99 SLA Fill up the rest Next Page - FrontEnds Frontend Ip adress type: Both, because we are required to load internal ip traffic.. so we need private ip address also. you will not be able choose Private only, because Standart v2 requires public also. Fill the rest, done!

upvoted 24 times

TYT

5 years, 1 month ago

This looks correct. We need both public and private ips. Not sure if we have to create those?

upvoted 1 times

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PatMan

5 years ago

Are you joking ? AG only supports 99.5% SLA regardless how many AZ's you want to put it in. Just read the MS SLA documentation on it.

upvoted 1 times

Test_Taker

4 years, 11 months ago

I think people are confusing AG redundancy and redundancy provided to the VMs via a availability set. I interpret the question as wanting the VMs to be 99.99. Though the "are you joking" was uncalled for.

upvoted 3 times

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SomeITGuy

Highly Voted 5 years, 6 months ago

99.99% SLA - sounds like Availablity Zone required so Standard V2 with 2 availability zones connected?

upvoted 8 times

[Removed]

5 years, 4 months ago

Yes, you will need to pick 2 availability zone to get the 99.99% SLA, if I could paste screenshot I would from my lab environment

upvoted 3 times

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nxm

Most Recent 4 years, 9 months ago

Create Zone(1,2) VMSS and use that with AG. There is option to select AZ in AGv2. First Create VMSS Create backend pool in AG, assign newly created VMSS.

upvoted 1 times

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magpi

4 years, 9 months ago

SLA 99.99% for VM => at least two VM distributed through two or more availability zones =/=> (does not apply) Application Gateway v2.

upvoted 1 times

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cttay71

4 years, 9 months ago

There are 2 SLA here. 99.99% for VM and 99.99% for AG. The questions is asking for SLA for VM. Therefore, Standard SKU for AG is sufficient.

upvoted 1 times

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NikP

4 years, 9 months ago

This is confusing. Can please someone provide steps? Create Application Gateway Region - Same as Vnet Tier - Standard V2 Enable Auto Scaling - No Scale Unites - 2 Availability Zone - Zone 1 and Zone2 or Zone 3 Virtual Network - Provided Vnet where subnet0 is exists. Subnet - Provided Subnet0 In FrontEnd tab, Frontend IP address type - Both Public IP Address - Add new. Use a specific private IP address - Yes, Private IP address - What it should be? Not sure. In backends Tab, Do we have to add backend pool? So far, I received error as below. "Application gateway needs at least one valid Backend pool. Click 'Add a backend pool' to create a new backend pool." Can someone help here with steps?

upvoted 2 times

cttay71

4 years, 9 months ago

https://docs.microsoft.com/en-us/azure/application-gateway/configure-application-gateway-with-private-frontend-ip

upvoted 1 times

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ercank

4 years, 10 months ago

" Provide a Service Level Agreement (SLA) of 99,99 percent availability for the Azure virtual machines." This is for VMs not for AGW. In order to fulfill 99.99 availibility for the VMs we have to deploy at least 2 VM instance in different Availibility Zones. So, according to this VM architecture we need to determine which AGW that we need to select, it should be Standard V2. Then we have to tick Availibility Zone at which this AGW will work. Since it is only 2 VM instance with 2 zones, I think it is enough to select Zone1 and Zone2.

upvoted 1 times

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sinslam

4 years, 11 months ago

1. Find the VNet that has subnet0. 2. Take the region the VNet was created in. 3. Create an application gateway with SKU Standard V2; this supports availability zones. AGW must also be created in the same region as the VNet hosting Subnet0; this way you can select the subnet.

upvoted 4 times

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Barry123456

4 years, 11 months ago

" Load balance internal IP traffic to the Azure virtual machines connected to subnet0." I think the key here is don't connect the app gateway to subnet0. It should be on it's own subnet so that vm's on subnet0 could be placed into the back-end pool??? thoughts?

upvoted 2 times

macco455

4 years, 10 months ago

App Gateway HAS to be placed on its own subnet so yes we don't put AGW on subnet 0

upvoted 1 times

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kumar123

5 years, 1 month ago

question is to create app gateway, and availability sla 99.99%. No mention about cost. My recommendation is to create with standard V2 and availability zone.

upvoted 2 times

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milind8451

5 years, 1 month ago

Max SLA for Application GW is 99.95% as per MS Docs. Internal IP can be load balanced by V1 App GW too, tested in LAB. https://azure.microsoft.com/en-us/support/legal/sla/application-gateway/v1_2/

upvoted 1 times

AnshMan

5 years ago

Yes SLA for Application GW is 99.95%, that is where they're asking VM SLA should 99.99. Which can be allowed using Availability Zones, In order to get AZ enabled you have to choose Standard V2. That's it.

upvoted 3 times

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bhendi

5 years, 1 month ago

This should be the standard Load Balancer with Internal type which supports 99.99% availability . no need got AG. https://azure.microsoft.com/en-us/support/legal/sla/load-balancer/v1_0/

upvoted 1 times

BeCalmAndSmile

5 years, 1 month ago

You need to deploy an application gateway named appgw1015

upvoted 4 times

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bhendi

5 years, 1 month ago

This sheit should be the standard Load Balancer with Internal type which supports 99.99% availability . no need got AG.

upvoted 1 times

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Avanade2023

5 years, 3 months ago

Can anyone give me any MS Official articles to confirm that AG_V2 will be guaranteed SLA 99.99%? https://azure.microsoft.com/en-us/support/legal/sla/application-gateway/v1_2/ We can get the SLA of Backend Pool of VMs to 99.99% https://azure.microsoft.com/en-us/support/legal/sla/virtual-machines/v1_9/

upvoted 1 times

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ChinaBandit

5 years, 6 months ago

Couple of questions: Since Vm are connected to Subnet0, how do you connect a AG to Subnet0? AG requires empty subnet. How to achieve 99.99 SLA? AG only give 99.95.

upvoted 3 times