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Exam AZ-103 topic 4 question 9 discussion

Actual exam question from Microsoft's AZ-103
Question #: 9
Topic #: 4
[All AZ-103 Questions]

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

To which virtual networks can you establish a peering connection from VNet1?

  • A. VNet2 and VNet3 only
  • B. VNet2 only
  • C. VNet3 and VNet4 only
  • D. VNet2, VNet3, and VNet4
Show Suggested Answer Hide Answer
Suggested Answer: D ūüó≥ÔłŹ
References:
https://docs.microsoft.com/en-us/azure/virtual-network/tutorial-connect-virtual-networks-portal

Comments

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cdj
Highly Voted 4 years, 2 months ago
Doesn't the address spaces between VNet 1 and VNet 2 overlap; thus making peering unavailable?
upvoted 17 times
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ayishah
Highly Voted 4 years, 2 months ago
Answer should be C
upvoted 13 times
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Ganchev
Most Recent 2 months, 3 weeks ago
Just testet on my Enterprise Subscription. VNET2, VNET3 and VNET4 have been peered successfully. Tried to peer VNET1 with VNET4 afterwards, because they do not overlap, but got an error that it overlaps with already peered VNET2. Answer is correct.
upvoted 1 times
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Mv123567
1 year, 3 months ago
Yes VNET1 and VNET2 overlap but it's not overlap with another subnet 3 & 4. So we can configure Peering between 1,3&4 or 2,3&4 if thats the case, answer D is correct .
upvoted 1 times
adeyhtech87
10 months, 2 weeks ago
Peering is done at VNET level, not across subnet level. Hence, the correct answer is C, VENT1 can be peered with VENT3 and VNET 4 only.
upvoted 2 times
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Mv123567
1 year, 3 months ago
pls ignore my previous post , the correct answer is vNET3 & VNET4 , the question is To which virtual networks can you establish a peering connection from VNet1?
upvoted 2 times
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Kharal
3 years ago
D is wrong. Correct Ans is C(Vnet3 and 4) Tested on Azure portal and received error>Address space '10.11.0.0/17 (10.11.0.0 - 10.11.127.255)' overlaps with address space '10.11.0.0/16 (10.11.0.0 - 10.11.255.255)' of virtual network 'VNet1'. Virtual networks with overlapping address space cannot be peered. If you intend to peer these virtual networks, change address space '10.11.0.0/17 (10.11.0.0 - 10.11.127.255)'. Learn more>>https://docs.microsoft.com/en-us/azure/virtual-network/manage-virtual-network
upvoted 3 times
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PrinceVarghese
3 years, 4 months ago
Answer is C as the Vnet1 and Vnet2 are having overlapping IPs.
upvoted 1 times
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procurve
3 years, 9 months ago
it is C. vnet1 and vnet 2 are overlap !
upvoted 1 times
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soshriva
3 years, 9 months ago
It should be C. VNET1 and VNET2 overlap.
upvoted 1 times
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Ksyed
3 years, 9 months ago
The virtual networks you peer must have non-overlapping IP address spaces. The VNet1 and VNhet2 address spaces overlap. The range of VNet2 is contained inside the range of VNet1.
upvoted 1 times
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nitin74
3 years, 9 months ago
C will be correct as peering is doen in different subnets
upvoted 1 times
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Novix
3 years, 10 months ago
My vote is C
upvoted 2 times
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KuN
3 years, 10 months ago
vNet peering is not restricted to it's own region?
upvoted 1 times
hart232
3 years, 10 months ago
No: MS Docs says "These virtual networks can be in the same region or different regions (also known as Global VNet peering)"
upvoted 1 times
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Matt123
3 years, 11 months ago
VNet1 = 10.11.0.1 to 10.11.255.254 VNet2 = 10.11.0.1 to 10.11.127.254 Thus they overlap and the answer must be C.
upvoted 3 times
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Fred_Freedom
4 years ago
I agree that the answer will be C, but not D.
upvoted 3 times
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pbadilla
4 years, 2 months ago
Confirmed. They DO overlap. "cannot be peered because their address spaces overlap. Overlapping address prefixes: 10.11.0.0/17"
upvoted 8 times
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JohnCrawford
4 years, 2 months ago
Agreed. I got an error trying to peer vnet1 to vnet2 when I did it in Azure
upvoted 9 times
yicim24216
3 years, 11 months ago
100% gets an error
upvoted 3 times
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A (35%)
C (25%)
B (20%)
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