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Exam AZ-700 topic 1 question 39 discussion

Actual exam question from Microsoft's AZ-700
Question #: 39
Topic #: 1
[All AZ-700 Questions]

You have an Azure subscription that contains the resources shown in the following table.



You plan to deploy an Azure Virtual Network NAT gateway named Gateway1. The solution must meet the following requirements:

• VM1 will access the internet by using its public IP address.
• VM2 will access the internet by using its public IP address.
• Administrative effort must be minimized.

You need to ensure that you can deploy Gateway1 to Vnet1.

What is the minimum number of subnets that Vnet1 must have?

  • A. 2
  • B. 3
  • C. 4
  • D. 5
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
by Jor466077 at Nov. 30, 2024, 11:43 a.m.

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Jor466077
Highly Voted 5 months, 1 week ago
Selected Answer: C
Cannot deploy in GatewaySugnet, and if deployed in Subnet1 or Subnet2 VM1 or VM2 will start accessing the Internet by using the NAT GW IP address. Thus, a new subnet (4th) is needed.
upvoted 8 times
e6d6bf4
4 months, 3 weeks ago
But NAT gateway cannot be used with Basic SKU public IP addresses. "Basic resources, such as basic load balancer or basic public IPs aren't compatible with NAT gateway. NAT gateway can't be used with subnets where basic resources exist. Basic load balancer and basic public IP can be upgraded to standard to work with a NAT gateway." https://learn.microsoft.com/en-us/azure/nat-gateway/nat-overview Does it change the answer to 3 ?
upvoted 2 times
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NK203
5 months ago
https://learn.microsoft.com/en-us/azure/nat-gateway/nat-overview A NAT gateway can’t be deployed in a gateway subnet.
upvoted 3 times
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beskar
Most Recent 6 days, 2 hours ago
Selected Answer: B
NAT Gateways are not configured in a way where they are placed into a subnet. So an additional subnet is not needed for the NAT Gateway.
upvoted 1 times
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windowsmodulesinstallerworker
1 week, 5 days ago
Selected Answer: B
NAT gateway is only associated with a subnet it does not need to be deployed to one like a VNG for example. This means that no additional subnets are required.
upvoted 2 times
beskar
6 days, 2 hours ago
I agree. Watching any youtube video of someone creating a NAT Gateway will show that it is not placed into a subnet. It is only associated with subnets that it will perform outbound NAT for.
upvoted 1 times
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Diounaidou
1 month, 3 weeks ago
Selected Answer: C
Cannont deploy Nat gatway in GatewaySubnet and in subnet where basic resource exists. therefore we need another subnet
upvoted 1 times
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Gaz_
3 months ago
Selected Answer: C
NAT gateway can't be used with subnets where basic resources exist. A NAT gateway can’t be deployed in a gateway subnet. https://learn.microsoft.com/en-us/azure/nat-gateway/nat-overview
upvoted 1 times
xRiot007
1 month ago
You can still deploy it to Subnet2, which has a VM with a Standard IP and not set it up to manage the IP of the VM. No need to create a new subnet in this scenario
upvoted 1 times
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bobothewiseman
3 months, 1 week ago
Selected Answer: B
• Since VM1 and VM2 will retain their public IPs, NAT Gateway will not manage their outbound traffic. • No additional subnets are required to deploy the NAT Gateway. • Therefore, VNet1 only needs 3 subnets: Subnet1, Subnet2, and the existing GatewaySubnet.
upvoted 2 times
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mohsim
3 months, 3 weeks ago
Selected Answer: C
Actually since we can't associate the NAT Gateway to any of the other three subnets, then a fourth subnet is required.
upvoted 3 times
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mohsim
3 months, 3 weeks ago
Selected Answer: B
NAT gateway doesn't require a subnet itself, only require a subne to be associated with. So the answer is 3
upvoted 4 times
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GabiBT
4 months ago
Selected Answer: B
Yo solo veo que necesitemos 3 subredes no entiendo porque necesitaríamos una 4a Subnet1 y Subnet2 son necesarias para hospedar VM1 y VM2, respectivamente, cada una con su propia dirección IP pública. GatewaySubnet es necesaria para implementar la puerta de enlace NAT. Cual seria la 4 ???
upvoted 2 times
manhattan
3 months, 4 weeks ago
I'm not so good with Spanish I'll try with English :-) You need a 4th subnet because if you connect NAT gateway with the subnet 1-2 the VMs will use the public IP of the NAT gateway. you can't attach a NAT gateway to a Gatewaysubnet too, so you need a fourth subnet. read this ""The NAT gateway takes precedence over a load balancer, regardless of the outbound rules. The gateway also takes precedence over public IP addresses that are assigned directly to VMs."" https://learn.microsoft.com/en-us/azure/architecture/networking/guide/well-architected-network-address-translation-gateway#operational-excellence
upvoted 1 times
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