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Exam 70-741 topic 1 question 32 discussion

Actual exam question from Microsoft's 70-741
Question #: 32
Topic #: 1
[All 70-741 Questions]

HOTSPOT -
You have a network address translation (NAT) server named NAT1 that has an external IP address of 131.107.50.1 and an internal IP address of 10.0.0.1.
You deploy a new server named Web1 that has an IP address of 10.0.0.211.
A remote server named app.fabrikam.com has an IP address of 131.107.1.232.
You need to make Web1 accessible to app.fabrikam.com through NAT1.
What command should you run from NAT1? To answer, select the appropriate options in the answer area.
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Suggested Answer:
https://technet.microsoft.com/en-us/itpro/powershell/windows/nat/add-netnatstaticmapping
by dritter at Feb. 19, 2019, 9:47 a.m.

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dritter
Highly Voted 5 years, 9 months ago
Add-NetNatStaticMapping -ExternalIPAddress 131.107.50.1 -InternalIPAddress 10.0.0.211 The external IP address needs to be reachable from the outside so it has to be the public address of the NAT server. The internal IP address needs to be the IP of the service on the internal network. The current documentation can be found here: https://docs.microsoft.com/en-us/powershell/module/netnat/add-netnatstaticmapping?view=win10-ps
upvoted 41 times
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Kamikazekiller
Highly Voted 4 years, 5 months ago
Add-NetNatStaticMapping - 131.107.50.1 - 10.0.0.211
upvoted 6 times
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panda
Most Recent 3 years, 11 months ago
I think Add-NetNatStaticMapping is correct. Add-NetNatExternalAddress has only parameter for external IP address.
upvoted 1 times
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Scryptic
3 years, 11 months ago
Do people actually use Windows Servers to handle their NAT routing instead of a dedicated firewall and a router?
upvoted 1 times
Kyanka
3 years, 10 months ago
No. That's what I hate about these exams and this subject specifically. Nobody uses Windows Servers as firewalls. It's a terrible idea.
upvoted 1 times
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ykarma
4 years ago
Got this on exam November 27th 2020
upvoted 5 times
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pekalyok
4 years, 9 months ago
explain please why you guys picked external 131.107.50.1 instead of the end destination?
upvoted 1 times
pekalyok
4 years, 9 months ago
131.107.1.232 is the internet facing IP for webapp
upvoted 1 times
bigdraws
4 years, 7 months ago
i believe it's because it's discussing Natting, and not port forwarding, on a router you would use .232 to forward to 10.0.0.211, but since it's a nat question, the nat is 50.1
upvoted 1 times
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Davar39
4 years, 4 months ago
Think of it as doing port forwarding, when someone tries to connect to the 131.107.501.1(external-public) you configure your server to forward that request to a server in your internal network 10.0.0.211 (private-internal ip).
upvoted 3 times
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[Removed]
4 years, 7 months ago
As in the MS documentation: https://docs.microsoft.com/en-us/powershell/module/netnat/add-netnatstaticmapping?view=win10-ps -ExternalIPAddress Specifies the external IP address to which an incoming connection is addressed. This parameter specifies the destination IP address in the incoming packet.
upvoted 1 times
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Ben22
4 years, 11 months ago
Add-NetNatStaticMapping - 131.107.50.1 - 10.0.0.211
upvoted 4 times
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TMW
5 years, 6 months ago
This is a NAT port forwarding question, and very relevant to the real world. Example for DNS fort 53: Add-NetNatStaticMapping -NatName ournat -Protocol UDP -ExternalIPAddress 0.0.0.0 -InternalIPAddress 10.78.3.100 -InternalPort 53 -ExternalPort 53
upvoted 2 times
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