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Exam MS-100 topic 5 question 32 discussion

Actual exam question from Microsoft's MS-100
Question #: 32
Topic #: 5
[All MS-100 Questions]

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
Your company has a main office and three branch offices. All the branch offices connect to the main office by using a WAN link. The main office has a high-speed
Internet connection. All the branch offices connect to the Internet by using the main office connection.
Users use Microsoft Outlook 2016 to connect to a Microsoft Exchange Server mailbox hosted in the main office.
The users report that when the WAN link in their office becomes unavailable, they cannot access their mailbox.
You create a Microsoft 365 subscription, and then migrate all the user data to Microsoft 365.
You need to ensure that all the users can continue to use Outlook to receive email messages if a WAN link fails.
Solution: For each device, you configure an additional Outlook profile that uses IMAP.
Does this meet the goal?

  • A. Yes
  • B. No
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
The question states that the branch offices connect to the Internet by using the main office connections. Therefore, all Internet traffic goes over the WAN link between the branch office and main office.
After the migration, the users connect to their mailboxes hosted in Exchange Online over the Internet and therefore over the WAN link.
If the WAN link goes down, the branch office users will not be able to connect to the Internet and therefore will not be able to access their email using Outlook.
Using IMAP to access the mailboxes would still use the WAN link so this answer does achieve the goal.
The solution is to add a direct connection to the Internet from the branch offices, so their Internet traffic does not go over the WAN link.
by titan_91 at Sept. 28, 2020, 8:34 p.m.

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mkoprivnj
Highly Voted 4 years, 4 months ago
No for sure!
upvoted 7 times
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T10T
Most Recent 2 years, 8 months ago
Selected Answer: B
Solution: In each branch office, you add a direct connection to the Internet.
upvoted 2 times
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shaan6810
4 years, 3 months ago
Why is this wrong? If your data is already in M365 can you not setup an outlook IMAP profile for your users?
upvoted 1 times
McAlec
3 years, 11 months ago
Because all the branch offices connect to the Internet by using the main office connection. Which means if the WAN is down, the branches have no connection to the Internet and tehy can't connect to M365 Services. IMAP will not solve that problem.
upvoted 1 times
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chaoscreater
3 years, 10 months ago
what part of - "You need to ensure that all the users can continue to use Outlook to receive email messages if a WAN link fails." do you not understand? So you're saying that if any network link goes down, somehow using IMAP will address the issue? This is so basic.
upvoted 2 times
Durden871
3 years, 2 months ago
To be fair, the question is so stupid that I at first thought it was asking about your ability to read emails off-line with IMAP or something of the sort, but that didn't make sense either.
upvoted 1 times
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titan_91
4 years, 7 months ago
https://docs.microsoft.com/en-us/microsoft-365/enterprise/microsoft-365-network-connectivity-principles?view=o365-worldwide#microsoft-365-connectivity-principles "Enterprise WANs are often designed to backhaul network traffic to a central company head office for inspection before egress to the Internet, usually through one or more proxy servers. The diagram below illustrates such a network topology. Because Microsoft 365 runs on the Microsoft Global Network, which includes front-end servers around the world, there will often be a front-end server close to the user's location. By providing local Internet egress and by configuring internal DNS servers to provide local name resolution for Microsoft 365 endpoints, network traffic destined for Microsoft 365 can connect to Microsoft 365 front end servers as close as possible to the user."
upvoted 4 times
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