Your company has a main office and three branch offices.
You have an Exchange Server 2013 organization. The main office contains five Exchange servers.
Each branch office contains two Exchange servers. All of the servers have all of the Exchange server
roles installed. Each branch office contains one database availability group (DAG).
You need to recommend a load balancing solution for the branch offices. The solution must ensure
that both servers in each office are the targets of all client connections.
What are two possible recommendations? Each correct answer presents a complete solution.
A.
DNS round robin
B.
Layer 4 hardware load balancers
C.
CAS arrays
D.
Network Load Balancing (NLB) clusters
CAS arrays are no longer an option with 2013, right?
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It’s true, right answer is: A and B.
“In current builds of Exchange 2013, no configuration of a Client Access array is required, because the deployment of a load balanced and highly available service is much simpler.”
Source: https://technet.microsoft.com/en-us/library/jj898588(v=exchg.150).aspx
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Agree with Juan.
The question is: You need to recommend a load balancing solution for the branch offices. The solution must ensure that both servers in each office are the targets of all client connections.
So no remarks about HA of load balancing, just connections.
A – DNS Round Robin provides that solution.
B – Hardware NLB, those the trick.
C – Doesn’t exists anymore in Exchange 2013.
D – Not possible. It cannot be installed on a server with Windows failover cluster active, which is required by a DAG.
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A&B
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