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Exam 70-740 topic 1 question 61 discussion

Actual exam question from Microsoft's 70-740
Question #: 61
Topic #: 1
[All 70-740 Questions]

Your company has 10 offices. Each office has a local network that contains several Hyper-V hosts that run Windows Server 2016. All of the offices are connected by high speed, low latency WAN links.
You need to ensure that you can use QoS policies for Live Migration traffic between the offices. Which component should you install?

  • A. the Multipath I/O feature
  • B. the Routing role service
  • C. the Network Controller server role
  • D. the Canary Network Diagnostics feature
  • E. the Data Center Bridging feature
Show Suggested Answer Hide Answer
Suggested Answer: CE 🗳️

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arandomguy182
Highly Voted 5 years, 8 months ago
Only E is needed. Looks like a mess-up. Question not asking for more than one answer.
upvoted 6 times
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waseemsmr
Highly Voted 4 years, 7 months ago
I think C and E correct. When you configure QoS for a tenant VM network adapter, you have a choice between Data Center Bridging (DCB)or Software Defined Networking (SDN) QoS. DCB. You can configure DCB by using the Windows PowerShell NetQoS cmdlets. For an example, see the section "Enable Data Center Bridging" in the topic Remote Direct Memory Access (RDMA) and Switch Embedded Teaming (SET). SDN QoS. You can enable SDN QoS by using Network Controller, which can be set to limit bandwidth on a virtual interface to prevent a high-traffic VM from blocking other users. You can also configure SDN QoS to reserve a specific amount of bandwidth for a VM to ensure that the VM is accessible regardless of the amount of network traffic. https://docs.microsoft.com/en-us/windows-server/networking/sdn/manage/configure-qos-for-tenant-vm-network-adapter
upvoted 5 times
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Scryptic
Most Recent 3 years, 12 months ago
Perhaps, 'EITHER ONE' is the acceptable answer, as each one allows this to be configured.
upvoted 1 times
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RicardoRyuma
5 years, 2 months ago
In the exam, can you select 2 alternatives in this question?
upvoted 4 times
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Dutch2005
5 years, 2 months ago
QoS can help manage your network traffic by enabling you to configure rules that can detect congestion or reduced bandwidth, and then to prioritize, or throttle, traffic accordingly. For example, you can use QoS to prioritize voice and video traffic, which is sensitive to latency. DCB provides bandwidth allocation to specific network traffic and helps to improve Ethernet transport reliability by using flow control based on priority. Because DCB is a hardware-based network traffic management technology, when you use DCB So, correct answer is E
upvoted 3 times
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ShockwaveXYZ
5 years, 3 months ago
Took exam recently got this question on the 70-740
upvoted 4 times
mk81
4 years, 9 months ago
were u able to select 2 options or only 1?
upvoted 10 times
yvankarma
4 years, 1 month ago
Right, they always confuse the questions. If they had said which componentS as in plural, then i would've known that i must choose another, and probably go with Netw controller -_-
upvoted 1 times
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ITGEEK
5 years, 4 months ago
Yes right, it should be only E.
upvoted 3 times
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[Removed]
5 years, 6 months ago
Network Controller is used with network virtualization. DCB enables QoS. So correct answer is E.
upvoted 3 times
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Zel
5 years, 6 months ago
How is this a 70-740 question? It's definetely 70-741
upvoted 1 times
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Jaak
5 years, 8 months ago
https://docs.microsoft.com/en-us/windows-server/networking/sdn/technologies/network-controller/network-controller
upvoted 1 times
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dan
5 years, 8 months ago
I second this line of questioning????? why C and E. I know E is but why is C needed?
upvoted 2 times
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Dean
5 years, 8 months ago
Can anybody provide a brief explanation or a technet article reference as to why C & E are the correct options?
upvoted 3 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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