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Exam AZ-700 topic 2 question 16 discussion

Actual exam question from Microsoft's AZ-700
Question #: 16
Topic #: 2
[All AZ-700 Questions]

HOTSPOT -
You have an Azure subscription that contains two virtual networks named Vnet1 and Vnet2.
You register a public DNS zone named fabrikam.com. The zone is configured as shown in the Public DNS Zone exhibit.

You have a private DNS zone named fabrikam.com. The zone is configured as shown in the Private DNS Zone exhibit.

You have a virtual network link configured as shown in the Virtual Network Link exhibit.

For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
Hot Area:

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Suggested Answer:
Box 1: Yes -
DNS queries from the internet use the public DNS zone. In the public DNS zone, www.fabrikam.com is a CNAME record that resolves to appservice1.fabrikam.com which resolves to 131.107.1.1.

Box 2: No -
DNS queries from the internet use the public DNS zone. There is no DNS record for server1.fabrikam.com in the public DNS zone.

Box 3: No -
The private DNS zone is linked to VNet1, not VNet2. Therefore, resources in VNet2 cannot query the private DNS zone.
by wsrudmen at May 21, 2022, 10:14 a.m.

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AdityaGupta
Highly Voted 1 year, 7 months ago
The given answers and explanations are correct, please pay attention to following details if you are confused. 1) Public DNS Zones are created for Internet Dns requests. 2) Private DNS Zones are created to cater internal DNS requests. 3) Private DNS Zones must be linked (private links) to VNETs to ensure that resources inside that VNET can make use of private dns zone. In this case it "VNET1_Link" created but no "VNET2_Link" is created.
upvoted 39 times
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wsrudmen
Highly Voted 1 year, 11 months ago
CORRECT!!
upvoted 12 times
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Techbiz
Most Recent 7 months, 2 weeks ago
Answer and explanation given are correct
upvoted 1 times
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_fvt
1 year, 1 month ago
They say : "You register a Public DNS zone" but not "and you delegate your domain from your registrar to the Public DNS zone" so this step is missing. The wording for the Private DNS is "You have" so this is different here they don"t mention any step. I think the difference is important and the fact that they choose this for the Public DNS is probably because the delegate step is missing. https://learn.microsoft.com/en-us/azure/dns/dns-delegate-domain-azure-dns Shoud be NNN (for the last one VNet2 is not linked to private DNS so cannot resolve names in the private DNS)
upvoted 1 times
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Rajan395
1 year, 3 months ago
absolutely correct.
upvoted 1 times
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DeepMoon
1 year, 4 months ago
Public dns zone doesn't have cname record for www. So how can internet queries for www resolve to 131.107.1.1? Box 1 should be NO. Box 2 should be NO - there is no server1 record on public dns. Box 3 No. vnet 2 is not linked to the private dns zone.
upvoted 3 times
Skankhunt
1 year, 3 months ago
Look carefully there's a host-A record for appservice1 in Public DNS Zone.
upvoted 6 times
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sshera
1 year, 4 months ago
In exam 04Jan23
upvoted 2 times
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Prutser2
1 year, 7 months ago
correct,
upvoted 1 times
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jeffangel28
1 year, 9 months ago
Given answer and explanation is correct
upvoted 2 times
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