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Exam 70-741 topic 1 question 27 discussion

Actual exam question from Microsoft's 70-741
Question #: 27
Topic #: 1
[All 70-741 Questions]

You have an application named App1. App1 is distributed to multiple Hyper-V virtual machines in a multitenant environment.
You need to ensure that the traffic is distributed evenly among the virtual machines that host App1.
What should you include in the environment?

  • A. Network Controller and Windows Server Network Load Balancing (NLB) nodes
  • B. an RAS Gateway and Windows Server Software Load Balancing (SLB) nodes
  • C. an RAS Gateway and Windows Server Network Load Balancing (NLB) nodes
  • D. Network Controller and Windows Server Software Load Balancing (SLB) nodes
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
https://technet.microsoft.com/en-us/library/mt403307(v=ws.11).aspx#bkmk_slb
by dritter at Feb. 18, 2019, 8:01 a.m.

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dritter
Highly Voted 5 years, 9 months ago
Network Controller is a prerequisite for the Software Load Balancer service so because of that I suppose the answer must be changed to D. https://davidfleming.org/2017/04/27/deploy-and-configure-sdn-software-load-balancer-service/
upvoted 9 times
Sham
4 years, 2 months ago
SLB provides a multitenant unified edge by seamlessly integrating with Microsoft appliances such as the RAS Multitenant Gateway, Datacenter Firewall, and Route Reflector.
upvoted 1 times
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Aimismyname
3 years, 11 months ago
The following contains an example of SLB and RAS used together: https://docs.microsoft.com/en-us/windows-server/networking/sdn/technologies/network-function-virtualization/ras-gateway-high-availability
upvoted 1 times
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ta
Highly Voted 4 years, 11 months ago
B this question was on 740
upvoted 8 times
lofzee
3 years, 11 months ago
no it wasnt.. nothing to do with 70-740
upvoted 1 times
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panda
Most Recent 3 years, 11 months ago
I think the given answer (B) is correct. The question dosn't say that router needs to update its configuration dynamically.
upvoted 1 times
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Vortex_SA
4 years ago
RAS Gateway is multitenant aware, and is essentially a virtual router and gateway. Configured as a VPN gateway that is aware of the virtual networks deployed on the Hyper-V hosts.
upvoted 2 times
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jam7272
4 years, 2 months ago
Network Controller is correct. The temptation is to go for RAS Gateway because it mentions 'multitenant'. But the question focuses on load balancing. You need Network Controller to set the policies for load balancing (SLB).
upvoted 1 times
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TA77
4 years, 2 months ago
I'm going with D. SLB and network controller. Since we want to distribute the load evenly, we need to use SLB. SLB manager sets inside the Network Controller. Also, the network controller process the commands coming from SCVMM or Powershell, and calculate the load balancing policy and distribute the load to the Hyper-V host and SLB MUXes. Reference: https://docs.microsoft.com/en-us/previous-versions/orphan-topics/ws.11/mt632286(v=ws.11)
upvoted 3 times
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Danuda
4 years, 8 months ago
B. Remote Access Server (RAS) gateways are used for bridging traffc between virtual and non-virtual networks. Organizations can use Software Load Balancing (SLB) to evenly dis- tribute network traffc between the virtual network resources.
upvoted 6 times
ve22
4 years, 8 months ago
Thanks!
upvoted 1 times
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rjc
4 years, 10 months ago
70-740 Q 57 Answer is B
upvoted 4 times
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rjc
4 years, 10 months ago
This question is also on the 70-740 test. I pass 740 with a high score... answer is B
upvoted 4 times
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SmackedWookiee
4 years, 11 months ago
https://docs.microsoft.com/en-us/windows-server/networking/sdn/technologies/network-controller/network-controller#bkmk_gateway According to this, Network Controller doesn't provide native support for multi-tenant environments. RAS Gateway does. So even though Network Controller is a pre-req for RAS Gateway, you still need to install RAS Gateway in order to distribute traffic evenly. I believe B is the correct answer.
upvoted 4 times
FNavarro
3 years, 12 months ago
Nowhere in that link does it say anything remotely close to "Network Controller doesn't provide native support for multi-tenant environments"
upvoted 1 times
FNavarro
3 years, 12 months ago
https://docs.microsoft.com/en-us/windows-server/networking/sdn/technologies/hyper-v-network-virtualization/hyperv-network-virtualization-technical-details-windows-server#multi-tenant-deployment-example
upvoted 1 times
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PatS
5 years ago
so maybe B? https://social.technet.microsoft.com/Forums/en-US/7f89c00e-92c5-4397-ae0b-89a16c85ae66/slb-ras-gw-and-multitenancy?forum=ws2016
upvoted 1 times
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PatS
5 years ago
So B or D? I found explanation like this for B. By using a RAS Gateway and Windows Server Software Load Balancing (SLB), you can scale out your load balancing capabilities using SLB VMs on the same Hyper-V compute servers that you use for your other virtual machine workloads. Multitenancy for VLANs is not supported by Network Controller; however, you can use VLANs with SLB for service provider managed workloads, such as the datacenter infrastructure and high-density web servers.
upvoted 1 times
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coleman
5 years, 1 month ago
the answer should be : D. Network Controller and Windows Server Software Load Balancing (SLB) nodes
upvoted 3 times
coleman
5 years, 1 month ago
Explanation/Reference: https://docs.microsoft.com/en-us/previous-versions/orphan-topics/ws.11/mt632286(v=ws.11) Software Load Balancing Infrastructure To deploy Windows Server SLB, you must first deploy Network Controller in Windows Server 2016 Technical Preview and one or more SLB MUX VMs. In addition, you must configure Hyper-V hosts with the SDN-enabled Hyper-V Virtual Switch and ensure that the SLB Host Agent is running. The routers that serve the hosts must support equal cost multipath (ECMP) routing and Border Gateway Protocol (BGP) and must be configured to accept BGP peering requests from the SLB MUXes. . . .
upvoted 5 times
PatS
5 years ago
What about multitenant environment?
upvoted 1 times
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ve22
4 years, 10 months ago
B or D?
upvoted 1 times
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MrRiver
5 years, 2 months ago
well, doN't we need a RAS Gateway if we have multi Tenant setup? So ist musst be b or c ... NLB does not help in this scenario ... wich leads me to B
upvoted 5 times
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dan
5 years, 3 months ago
Paz, you link does not support your theory - if we were talking BGP then maybe but I know from other sites and materials that dritter and DD are correct in the in order to get SLB then you must have Network controller as well. D is the answer
upvoted 3 times
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Paz
5 years, 4 months ago
https://docs.microsoft.com/en-us/previous-versions/orphan-topics/ws.11/mt632286%28v%3dws.11%29 Multitenancy for VLANs is not supported by Network Controller, however you can use VLANs with SLB for service provider managed workloads, such as the datacenter infrastructure and high density Web servers https://docs.microsoft.com/en-us/previous-versions/orphan-topics/ws.11/mt679502%28v%3dws.11%29 This proves the answer is correct. B
upvoted 4 times
TA77
4 years, 4 months ago
There's no VLANs in the question
upvoted 3 times
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DD
5 years, 7 months ago
agreed https://docs.microsoft.com/en-us/windows-server/networking/sdn/technologies/network-function-virtualization/software-load-balancing-for-sdn
upvoted 3 times
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C (25%)
B (20%)
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