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Exam 70-743 topic 1 question 130 discussion

Actual exam question from Microsoft's 70-743
Question #: 130
Topic #: 1
[All 70-743 Questions]

You are deploying a small network that has 30 client computers. The network uses the 192.168.1.0/24 address space. All computers obtain IP configurations from a DHCP server named Server1.
You install a server named Server2 that runs Windows Server 2016. Server2 has two network adapters named internal and Internet. Internet connects to an
Internet service provider (ISP) and obtains the 131.107.0.10 IP address. Internal connects to the internal network and is configured to use the 192.168.1.250 IP address.
You need to provide Internet connectivity for the client computers.
What should you do?

  • A. On Server2, select the Internet and Internal network adapters and bridge the connections. From the DHCP console on Server1, authorize Server2.
  • B. On Server1, stop the DHCP server. On the Internal network adapter on Server 2, enable Internet Connection Sharing (ICS).
  • C. On Server2 run the New-NetNat -Name NAT1 -InternalIPInterfaceAddressPrefix 1 92.168.1.0/24 cmdlet. Configure Server1 to provide the 003 Router option of 1 31.107.0.10.
  • D. Install the Routing role service on Server2 and configure the NAT routing protocol. Configure Server1 to provide the 003 Router option of 192.168.1.250.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
References: https://en.wikipedia.org/wiki/Internet_Connection_Sharing
by Rene_Ha at June 24, 2019, 5:09 p.m.

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Rene_Ha
Highly Voted 6 years ago
What is this??? Shouldn't the answe be (D) Install the Routing role service on Server2 and configure the NAT routing protocol. Configure Server1 to provide the 003 Router option of 192.168.1.250
upvoted 9 times
jamiescyclops
5 years, 10 months ago
Yeah it's D. http://techgenix.com/using-windows-server-nat-router/ "The other approach I could take, and the one that I actually did choose to implement, was to configure the RRAS box as a Network Address Translation (NAT) router. NAT is an IETF standard that provides a way for translating the IPv4 addresses of computers on one network into IPv4 addresses of computers on a different network. Of course, the DLS router on my Workplace network is also configured as a NAT router, so the result of implementing this approach is what is known as cascaded NAT or double NAT. Internet connectivity works fine through 2 or even 3 cascaded NATs, although a few applications can have problems with this type of network topology. For example, Windows Home Server doesn't seem to like cascaded NATs."
upvoted 2 times
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plmmsg
Highly Voted 4 years, 11 months ago
Answer is D
upvoted 5 times
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bb202082
Most Recent 4 years, 5 months ago
ICS is not supported in 2016 answer is D have to use NAT
upvoted 1 times
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DudeHere
4 years, 5 months ago
Answer is D. Internet Connection Sharing shares ONE Network connection. You would need a router to get between 2 network cards.
upvoted 1 times
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MelvinJohn
4 years, 11 months ago
B -- A is wrong because if you Stop DHCP the internal Network won’t be able to receive a gateway. C is wrong because if you Stop DHCP the internal Network won’t be able to receive a gateway. D is wrong because if you were somehow able to setup DHCP for the 131.107.0.0/24 address space each device would be directly attached to the internet. Not exactly desirable conditions.
upvoted 2 times
augustogcn
4 years, 6 months ago
I agree with you as the computer that shares its Internet connection serves as a gateway device, meaning that all traffic between other computers and the Internet go through this computer. ICS provides Dynamic Host Configuration Protocol (DHCP) and network address translation (NAT) services for the LAN computers.
upvoted 1 times
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Kode
4 years, 11 months ago
First: B says stop DHCP not A... and A wants to bridge two different networks without any form of routing... so no, that is wrong. Second: D... how would you "somehow be able to setup DHCP for the" network that is hosted by the ISP? That is not even a plausible argument to to claim that D is wrong. In order for all of the internal private IPs to be mapped to a single external IP (which is necessary since server2 is hosting the connection to the internet) you will need NAT and Routing. So D is the obvious answer.
upvoted 4 times
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Nane
5 years, 6 months ago
D. Install the Routing role service on Server2 and configure the NAT routing protocol. Configure Server1 to provide the 003 Router option of 192.168.1.250.
upvoted 5 times
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slcc99
5 years, 6 months ago
In this URL(Q122), D is correct because of the same problem. https://www.examtopics.com/exams/microsoft/70-741/view/25/
upvoted 1 times
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montonearm
5 years, 7 months ago
D. Install the Routing role service on Server2 and configure the NAT routing protocol. Configure Server1 to provide the 003 Router option of 192.168.1.250. I think that this is the right answer
upvoted 3 times
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C (25%)
B (20%)
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