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Exam AZ-104 topic 5 question 37 discussion

Actual exam question from Microsoft's AZ-104
Question #: 37
Topic #: 5
[All AZ-104 Questions]

You have the Azure virtual machines shown in the following table.

A DNS service is installed on VM1.
You configure the DNS servers settings for each virtual network as shown in the following exhibit.

You need to ensure that all the virtual machines can resolve DNS names by using the DNS service on VM1.
What should you do?

  • A. Configure a conditional forwarder on VM1
  • B. Add service endpoints on VNET1
  • C. Add service endpoints on VNET2 and VNET3
  • D. Configure peering between VNET1, VNET2, and VNET3
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
Virtual network peering enables you to seamlessly connect networks in Azure Virtual Network. The virtual networks appear as one for connectivity purposes. The traffic between virtual machines uses the Microsoft backbone infrastructure.
Incorrect Answers:
B, C: Virtual Network (VNet) service endpoint provides secure and direct connectivity to Azure services over an optimized route over the Azure backbone network.
Endpoints allow you to secure your critical Azure service resources to only your virtual networks. Service Endpoints enables private IP addresses in the VNet to reach the endpoint of an Azure service without needing a public IP address on the VNet.
Reference:
https://docs.microsoft.com/en-us/azure/virtual-network/virtual-network-service-endpoints-overview https://docs.microsoft.com/en-us/azure/virtual-network/virtual-network-peering-overview
by desmondfernando at Dec. 2, 2020, 2:15 a.m.

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mlantonis
Highly Voted 3 years, 4 months ago
Correct Answer: D Use Virtual network peering to connect virtual networks to be able to connect to other VMs in different VNETs. Virtual network peering enables you to seamlessly connect networks in Azure Virtual Network. The virtual networks appear as one for connectivity purposes. The traffic between virtual machines uses the Microsoft backbone infrastructure. B, C: Virtual Network (VNet) service endpoint provides secure and direct connectivity to Azure services over an optimized route over the Azure backbone network. Endpoints allow you to secure your critical Azure service resources to only your virtual networks. Service Endpoints enables private IP addresses in the VNet to reach the endpoint of an Azure service without needing a public IP address on the VNet.
upvoted 94 times
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fedztedz
Highly Voted 3 years, 8 months ago
Answer is correct. D. Use Virtual network peering to connect virtual networks to be able to connect to other VMs in different VNETs
upvoted 75 times
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tashakori
Most Recent 6 months, 1 week ago
D is right
upvoted 1 times
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devops_devops
8 months ago
This question was in exam 15/01/24
upvoted 2 times
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EmnCours
2 years ago
Selected Answer: D
Correct Answer: D
upvoted 2 times
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Lazylinux
2 years, 3 months ago
Selected Answer: D
D is correct and peering is required to reach the DNS
upvoted 1 times
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EleChie
2 years, 3 months ago
Answer is correct D But FYI ___ conditional forwarder is for external DNS not for internal (local) one " VM1 is Confiured as Internal DNS Server"
upvoted 6 times
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valkyrieShadow
2 years, 5 months ago
This article explains why connecting two networks using either S2S or Peering utilizes custom DNS configured on either the VNET or VNIC. And explains precedence and how forwarding and recursive queries work in Azure networks. Link: https://docs.microsoft.com/en-us/azure/virtual-network/virtual-networks-name-resolution-for-vms-and-role-instances#specify-dns-servers
upvoted 2 times
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ra_aly
2 years, 6 months ago
Selected Answer: D
[D]- it's saying local DNS on VM1, conditional forwarder is external DNS not local so answer is D.
upvoted 2 times
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ajayasa
2 years, 6 months ago
this question was there on 16/03/2022 with same question and passed with 900 percent
upvoted 2 times
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pappkarcsiii
2 years, 7 months ago
Selected Answer: D
Answer is correct. D. a: A conditional forwarder is a configuration option in a DNS server that lets you define a DNS domain, such as contoso.com, to forward queries to. b-c no
upvoted 3 times
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fabylande
2 years, 11 months ago
In exam today! October 16, 2021
upvoted 6 times
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AubinBakana
3 years ago
D does look like the best answer but there's a lot more to do after the peering. Answer is correct
upvoted 3 times
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bsdhjbfu3423asdfd
3 years, 2 months ago
Correct answer is A. Configure a conditional forwarder on VM1 Virtual Peering doesn't help to resolve DNS
upvoted 3 times
Mack279
3 years ago
It does help, in what sense that you set the DNS server if you cant reach that virtual server hosting the dns server role in the first place? So Peering is needed before everything else works for VM1 as the dns server.
upvoted 1 times
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CloudyTech
3 years, 3 months ago
Answer is A
upvoted 1 times
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ykmoh
3 years, 3 months ago
Correct answer is A. Configure a conditional forwarder on VM1 Virtual Peering doesn't help to resolve DNS A conditional forwarder is a configuration option in a DNS server that lets you define a DNS domain, such as contoso.com, to forward queries to. Instead of the local DNS server trying to resolve queries for records in that domain, DNS queries are forwarded to the configured DNS for that domain
upvoted 3 times
ScreamingHand
3 years, 3 months ago
You would use a conditional forwarder to forward requests from one DNS server to another DNS server in a another namespace.
upvoted 4 times
d0bermannn
3 years, 2 months ago
but the devices can't reach the DNS server, so peering between vnets must be first
upvoted 5 times
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armandolubaba
3 years, 4 months ago
Answer is correct. D.
upvoted 1 times
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