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Exam MD-102 topic 1 question 214 discussion

Actual exam question from Microsoft's MD-102
Question #: 214
Topic #: 1
[All MD-102 Questions]

HOTSPOT
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Your network contains an on-premises Active Directory domain that contains the locations shown in the following table.



In Microsoft Intune, you enroll the Windows 10 devices shown in the following table.



You have a Delivery Optimization device configuration profile applied to all the devices. The profile is configured as shown in the following exhibit.



From which devices can Device1 and Device2 get updates? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

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Suggested Answer:
by Robin_Cegeka at Nov. 4, 2023, 11:56 a.m.

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Merrybob
Highly Voted 1 year, 3 months ago
Answer: Device 1 can get updates from any machines in the same subnet - Device 3 Only because Device 1 cannot receive updates from itself. Confirmed as per the note above - "between devices that belong to the same group". Device 2 can get updates from any machine in the same subnet, however, Device 2 is the only machine in that subnet and it cannot receive updates from itself. The choices in the question confirm the thesis.
upvoted 6 times
Merrybob
1 year, 3 months ago
Location 1 subnet includes IPs in the range of 10.10.0.1 to 10.10.255.254 Location 2 subnet includes IPs in the range of 10.20.0.1 to 10.20.255.254 Location 3 subnet includes IPs in the range of 172.16.0.1 to 172.16.255.254 Device 1 is part of Location 1 subnet Device 2 is part of Location 2 subnet Device 3 is part of Location 1 subnet Device 4 is part of Location 3 subnet HTTP blended with peering across a private group (2): "In group mode, peering occurs across internal subnets, between devices that belong to the same group, including devices in remote offices." Ref: https://learn.microsoft.com/en-us/windows/deployment/do/waas-delivery-optimization-reference#download-mode
upvoted 5 times
Merrybob
1 year, 3 months ago
The Site 1 and Site 2 don't play a part because the Restrict Peer Selection is set to Subnet mask which further restricts peering to computers within the same subnet.
upvoted 3 times
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brunolopes01
Highly Voted 1 year, 5 months ago
I've found the discussion in MD-101 exam : https://www.examtopics.com/discussions/microsoft/view/63339-exam-md-101-topic-2-question-88-discussion/
upvoted 5 times
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RomanV
Most Recent 7 months, 2 weeks ago
The ip address are /16 not /24 meaning that the netmask is 255.255.0.0. So Device1 will talk to Device3 because they are in the same subnet 10.10.x.x. And since the Download mode is set to HTTP blended with peering across private group, Device1 will also talk to Device2 via NAT because they are in the same Site1. Following the logic Device2 will talk to Devices 1 and 3 via Site 1 NAT. But if Group mode (Group ID source in Endpoint) is set, Delivery Optimization will connect to locally discovered peers that are ALSO part of the same Group (have the same Group ID). In this case AD Site. And the devices are in the same Site1. So, for me the answer provide is correct. https://docs.microsoft.com/en-us/windows/deployment/do/waas-delivery-optimization-reference#select-a-method-to-restrict-peer-selection
upvoted 1 times
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MR_Eliot
1 year, 2 months ago
evice1: Cannot get update from any devices. Device2: Cannot get update from any devices. HTTP blended with peering across a private group (2): Peering occurs on devices in the same Active Directory Site (if it exists) or the same domain. When this option is selected, peering crosses your NAT IP addresses. https://learn.microsoft.com/en-us/mem/intune/configuration/delivery-optimization-settings https://learn.microsoft.com/en-us/windows/client-management/mdm/policy-csp-deliveryoptimization#dorestrictpeerselectionby
upvoted 2 times
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abill
1 year, 5 months ago
What is the correct answer?
upvoted 1 times
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Kiookr
1 year, 5 months ago
I would say both Device1 and Device2 " Cannot get update from any device " reason they are out of IP range for the locations .. let me know what you guys think !!
upvoted 1 times
fiskaba
1 year, 4 months ago
Device 1 can get updates from Device 3, because Device 1 and 3 are on the same CIDR range of /16. (255.255.0.0) 10.10.0.50 and 10.10.1.155 both have the same subnet in this question.
upvoted 4 times
MR_Eliot
1 year, 2 months ago
But they are in diffrent ad sites
upvoted 2 times
HvD
7 months, 3 weeks ago
Device1 and 3 are in the same subnet, so they both have to be in Location 1, and therefore in same AD site.
upvoted 1 times
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NoursBear
1 year, 5 months ago
Don't overlook the restriction to "same subnet"
upvoted 1 times
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rhylos
1 year, 5 months ago
HTTP blended with peering across a private group (2): Peering occurs on devices in the same Active Directory Site (if it exists) or the same domain. When this option is selected, peering crosses your NAT IP addresses.
upvoted 2 times
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Robin_Cegeka
1 year, 6 months ago
Third option for device 1 should be "Can get Updates From Device2 and Device3 Only"
upvoted 2 times
brunolopes01
1 year, 6 months ago
Device2 and Device3 Only ??
upvoted 2 times
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cpaljchc4
1 year, 5 months ago
Device 1 & 3 are in Location 1 Device 2 in Location 2. Device 4 in Location 3.
upvoted 2 times
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