What are two possible ways to achieve to prevent these e-mail problems and server problems from occurring?

You are the Exchange administrator for your company. All network computers are members of a single Active Directory domain.
The relevant portion of the network is configured as shown in the exhibit:
DC1 is a domain controller. Mail1 and Mail2 run Exchange Server 2003. Users at each office use the local Exchange server for e-mail.
Users at the branch office report that when they create e-mail messages, there are occasionally problems resolving a-mail addresses to names. When these problems occur, an administrator at the branch office restarts Mail2.
If the administrator tries to restart Mail2 immediately, the Exchange services fail to start. If the administrator waits 10 minutes before restarting Mail2, the Exchange services usually start correctly and the problems disappear.
When these problems occur, users can still log on to their client computers. You receive no response when you attempt to ping Mail1 from Mail2.
You need to prevent these e-mail problems and server problems from occurring.
What are two possible ways to achieve this goal? (Each correct answer presents a complete solution, Choose two)
Exhibit:

You are the Exchange administrator for your company. All network computers are members of a single Active Directory domain.

The relevant portion of the network is configured as shown in the exhibit:

DC1 is a domain controller. Mail1 and Mail2 run Exchange Server 2003. Users at each office use the local Exchange server for e-mail.

Users at the branch office report that when they create e-mail messages, there are occasionally problems resolving a-mail addresses to names. When these problems occur, an administrator at the branch office restarts Mail2.

If the administrator tries to restart Mail2 immediately, the Exchange services fail to start. If the administrator waits 10 minutes before restarting Mail2, the Exchange services usually start correctly and the problems disappear.

When these problems occur, users can still log on to their client computers. You receive no response when you attempt to ping Mail1 from Mail2.

You need to prevent these e-mail problems and server problems from occurring.

What are two possible ways to achieve this goal? (Each correct answer presents a complete solution, Choose two)

A.
Install a backup frame-relay line between the main office and the branch office.

B.
Configure the routers between the main office and the branch office to place a high priority on LDAP traffic.

C.
Create a VLAN that places both office networks in a single logical IP address range.

D.
Install a domain controller at the branch office. Configure the new domain controller to host the global catalog.

E.
Configure Mail2 as a front-end server only. Move all user mailboxes to Mail1.

Explanation:

A: Adding an additional frame relay line will help since the issue lies with the Global Catalog notresponding in a timely manner.
When the administrator reboots the server immediately, theprobable cause for it not coming back successfully is that the WAN link is saturated and Exchange can’t contact a Global Catalog.
Adding a line will lessen the load and allow the contactof the GC.
D: Adding a Global Catalog server to the branch office will allow the name attributes to belooked up quicker and locally in the GC.
Since the resolution would not be dependent upon theWAN connection, the name resolution would occur, and if the Exchange server had to berestarted, it could be using the local GC as its contact.



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