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
Answer: C, E
Network Controller communicates with network devices, services, and components by using the Southbound API. With the Southbound API, Network Controller can discover network devices, detect service configurations, and gather all of the information you need about the network. In addition, the Southbound API gives Network Controller a pathway to send information to the network infrastructure, such as configuration changes that you have made.
DCB provides hardware-based bandwidth allocation to a specific type of traffic and enhances Ethernet transport reliability with the use of priority-based flow control.
Ref:
https://technet.microsoft.com/en-us/library/dn859239.aspx
https://technet.microsoft.com/en-us/library/hh849179(v=ws.11).aspx
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what bother me is the SINGULAR use of “component” in the question. For those that have run across this question in a live exam, can you pick more than one answer?
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I have found true answer from microsoft book:
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
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