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Exam 70-345 topic 1 question 109 discussion

Actual exam question from Microsoft's 70-345
Question #: 109
Topic #: 1
[All 70-345 Questions]

You manage an Exchange Server 2016 organization that spans two sites. The sites are located in Los Angeles and New York.
You have a database availability group (DAG) named DAG1 that contains four members, two in each site.
The names and location of each DAG1 member are as follows:
✑ EX01 and EX02 are in the New York site.
✑ EX03 and EX04 are in the Los Angeles site.
A user has a mailbox on a database that is currently active on EX03.
The Front End Transport service on EX01 receives a message from the Internet. The message is addressed only to the user.
Based on this information, how will the Front End Transport service always attempt to route the first delivery attempt of the message?

  • A. The Transport service on EX01
  • B. The Transport service on EX03
  • C. The Transport service on one of the servers in the New York site
  • D. The Transport service on one of the servers in the Los Angeles site
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Suggested Answer: B 🗳️
The Front End Transport service will always attempt to route the first delivery attempt of the message to the Transport service on one of the servers in the New
York site. For incoming messages with a single mailbox recipient, the Front End Transport (FET) service will select a mailbox server in the target delivery group, and give a higher priority to whichever mailbox server has the closest proximity based on the Active Directory site topology. In this scenario, the target delivery group is a routable DAG, and the Active Directory site with the closest proximity to the FET instance on EX01 is the Transport Service on EX01 or EX02 in New
York.
The Front End Transport service will not always attempt to route the first delivery attempt of the message to the Transport service on EX01. While the Transport service on EX01 is a possibility, there is no guarantee that it will be the target of the first delivery attempt from the FET service. All servers in the New York site are equal candidates for being targeted.
The Front End Transport service will not always attempt to route the first delivery attempt of the message to the Transport service on EX03. EX03, as well as any server in the Los Angeles site, would not be targets of the first delivery attempt from the FET service on EX01 because they are not within the closest proximity.
The Front End Transport service will not always attempt to route the first delivery attempt of the message to the Transport service on one of the servers in the Los
Angeles site because they are not within the closest proximity, based on the Active Directory topology.
by l1f3rl at March 10, 2020, 5:38 p.m.

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RakRocky
4 years, 5 months ago
B. The Transport service on EX03
upvoted 2 times
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potpal
4 years, 6 months ago
It is C
upvoted 3 times
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tkawa
4 years, 6 months ago
Does the commentary match the answer? Is the answer C?
upvoted 2 times
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l1f3rl
5 years, 2 months ago
Correct.
upvoted 2 times
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