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Exam AZ-104 topic 5 question 3 discussion

Actual exam question from Microsoft's AZ-104
Question #: 3
Topic #: 5
[All AZ-104 Questions]

HOTSPOT -
You plan to deploy five virtual machines to a virtual network subnet.
Each virtual machine will have a public IP address and a private IP address.
Each virtual machine requires the same inbound and outbound security rules.
What is the minimum number of network interfaces and network security groups that you require? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:

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Suggested Answer:
Box 1: 5 -
A public and a private IP address can be assigned to a single network interface.

Box 2: 1 -
You can associate zero, or one, network security group to each virtual network subnet and network interface in a virtual machine. The same network security group can be associated to as many subnets and network interfaces as you choose.
Reference:
https://docs.microsoft.com/en-us/azure/virtual-network/virtual-network-network-interface-addresses
by fochistu at Dec. 1, 2020, 5:03 p.m.

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Chosen Answer:
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fedztedz
Highly Voted 4 years, 6 months ago
Answer should be : 5 Network interfaces and 1 Network security group
upvoted 133 times
Rain_walker_6ix
3 years, 1 month ago
Nice !
upvoted 4 times
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mlantonis
Highly Voted 4 years, 1 month ago
Box 1: 5 A public and a private IP address can be assigned to a single network interface. By default a NIC is associated to one IP address. Anyway nothing prevents a NIC to have MORE THAN ONE IP address. So to the VM's NIC, you can associate the public and the private IP at the same time. You are not forced to have one NIC for the public IP and one NIC for the private IP. Box 2: 1 You can associate zero, or one, network security group to each virtual network subnet and network interface in a virtual machine. The same network security group can be associated to as many subnets and network interfaces as you choose. Reference: https://docs.microsoft.com/en-us/azure/virtual-network/virtual-network-network-interface-addresses
upvoted 122 times
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Indy429
Most Recent 1 year, 6 months ago
Where would we be without fedztedz & mlantonis?🥹❤️
upvoted 14 times
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kamalpur
1 year, 12 months ago
This question is explained in below video and showed practically on azure portal as well. https://youtu.be/ldpefLkTy44
upvoted 3 times
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stonwall12
2 years ago
5 Network interfaces 1 Security Group
upvoted 3 times
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shadad
2 years, 4 months ago
I took Exam of Azure- 104 at 27/2/2023 I score 920 points out of 1000 points. This was on it and my answer was: Box 1: 5 Box 2: 1
upvoted 6 times
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SumanSaurabh
2 years, 7 months ago
I know Mlantonis is giving best answer with detail explanation but this guy fedztedz is also good and giving correct answers in most of the question. You both are amazing :)
upvoted 5 times
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fabras
2 years, 8 months ago
nic 5 nsg 1 correct answer
upvoted 4 times
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mercuryit
2 years, 9 months ago
Correct answer nic 5 nsg 1
upvoted 2 times
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EmnCours
2 years, 10 months ago
Given answer is correct. Both Private and Public IP addresses can be assigned to a virtual machine's network interface controller (NIC)
upvoted 1 times
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Lazylinux
3 years ago
Given answer is correct
upvoted 2 times
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[Removed]
3 years, 7 months ago
Was on exam dated 15/11/2021
upvoted 4 times
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ScoutP
3 years, 9 months ago
This question was asked on exam taken on Sept 30, 2021
upvoted 3 times
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joydeep1
4 years ago
Answers correct. Ques was in exam today.
upvoted 6 times
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KenDo
4 years, 2 months ago
This is more of an English test than a technical question!
upvoted 5 times
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aboelnaga
4 years, 2 months ago
the answer should be 10 Network interfaces and 1 network security group
upvoted 1 times
JimBobSquare101
3 years, 11 months ago
Lol...where do you get the amount of 10 NI's from?
upvoted 2 times
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ASIMIS
4 years ago
With all due respect, Please stop giving answers for the sake of posting on the chat, you are misleading people to fail. You clearly just guessed without even research or testing it yourself. Its better to keep quiet, and I dont mean this out of dis but please respect peoples time and stop posting just for fun.
upvoted 8 times
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3abmula
4 years, 2 months ago
You can test deploy a VM with both private and public IP address and you'll figure that out. It only requires 1 NIC to have private and public IP address.
upvoted 2 times
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ZetaZeti
4 years, 3 months ago
5-1 By default a NIC is associated to one IP address. Anyway nothing prevents a NIC to have MORE THAN ONE IP address. So to the VM's NIC, you can associate the public and the private IP at the same time. You are not forced to have one NIC for the public IP and one NIC for the private IP. So 5 NICs. https://www.loadtestingtool.com/help/how-setup-ip.shtml Since the five VMs require the same rules you can define just one NSG and apply that SAME NSG to the 5 NICs. So 1 NSG. https://docs.microsoft.com/en-us/azure/virtual-network/network-security-group-how-it-works
upvoted 4 times
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