Enterprise Voice & Online Services with Microsoft Lync Server 2013 (70-337) Free Practice Test

Question 1

Your company has a Microsoft Office 365 subscription and uses Microsoft Lync Online. After a long network outage, some users reports that they cannot sign in to the Microsoft Lync client and they receive the following error message:
"Cannot sign in to Lync. You may have entered your sign-in address, user name, or password incorrectly, or the authentication service may be incompatible with this version of the program. If your sign-in information is correct and the problem persists, please contact your system administrator."
You confirm that other users can sign in successfully. You need to ensure that all of the users can sign in to Lync Online. Which file should you delete on the users' client computer? To answer, select the appropriate file in the answer area.
Hot Area:

Correct Answer:

Explanation:
Note: EndPointConfiguration.Cache
When Lync 2010 connects to a specific front-end server, it caches that endpoint to make the sign in
process faster in the future. However, sometimes the endpoint can be changed. This can cause sign- in to
fail. To delete the endpoint cache, follow these steps:
Locate the local application data folder:Windows Vista and Windows 7:
%LOCALAPPDATA%\Microsoft\Communicator\<\">[email protected]>\ Windows XP: %
USERPROFILE%\Local Settings\Application Data\Microsoft\Communicator\<\">sip_address@contoso.
com>\ Delete the file that is named EndpointConfiguration.CACHE. Restart Lync 2010, and then try to sign
in to Lync Online.

Question 2

You have a Lync Server 2013 infrastructure and a Microsoft Exchange Server 2010 organization.
You have a SIP domain and an SMTP domain named contoso.com.
You recently migrated the on-premise Exchange Server 2010 organization to Microsoft Office 365.
You need to ensure that you can use Unified Messaging (UM) features between the Lync Server 2013
infrastructure and the Office 365 subscription.
Which three actions should you perform? (Each correct answer presents part of the solution. Choose three.)

A. From the Lync Server 2013 Control Panel, click the Enable Communications with Federated Users check box.

B. From the Exchange Management Console, create an accepted domain.

C. In the public DNS zone, create a service location (SRV) record named _sip._tls.contoso.com.

D. From the Lync Server 2013 Control Panel, add a hosting provider named exap.um.outlook.com.

E. In the public DNS zone, create a service location (SRV) record named _sipfederationtls._tcp.contoso. com.

F. From the Lync Server 2013 Control Panel, add a hosting provider named exap.um.lync.com.

Correct Answer: B,C,E

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Question 3

You need to identify which tasks can be performed by users who have the Response Group Administrator role and the Response Group Manager role. Which tasks should you identify? To answer, select the appropriate tasks for each role in the answer area.
Hot Area:

Correct Answer:

Explanation:
Lync Server 2013 introduces a new Response Group Manager role. Now there are two management roles for response groups: Response Group Manager and Response Group Administrator. While Response Group Administrators can still configure any element for any response group, Managers can configure only certain elements, only for response groups they own. This improvement in the administration model benefits Response Group scalability, especially for large deployment scenarios.

Question 4

You need to design the dial plans for the Montreal and New York offices. The plans must meet the technical requirements.
What should you include in the design? (To answer, select the appropriate pattern match and translation rule in the answer area.)
Hot Area:

Correct Answer:

Explanation/Reference:

Question 5

You need to recommend a client configuration strategy to meet the requirements for the planned migration to Lync Online. What should you recommend?

A. Create a hosting provider for the msn.com domain,

B. Enable federation for each user.

C. Enable public IM connectivity for each user.

D. Deploy a Group Policy object (GPO) that adds the msn.com domain to the Internet Explorer settings.

Correct Answer: C

Question 6

You are evaluating whether the PSTN gateways must be upgraded to support the planned migration to Lync Server 2013. You need to identify the minimum number of ports required for each PSTN gateway in the New York office. How many ports should you identify?

A. 100

B. 20

C. 200

D. 10

Correct Answer: C

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Question 7

You need to plan the subnets for Call Admission Control (CAC) and media bypass. Which subnet or subnets should you identify for each office? To answer, drag the appropriate subnet or subnets to the correct office in the answer area. Each subnet may be used once, more than once, or not at all. Additionally, you may need to drag the split bar between panes or scroll to view content.
Select and Place:

Correct Answer:

Explanation:
http://lync70337.freeforums.org/contoso-plan-the-subnets-for-call-admission-control-cac-t42.html
TechNet CLEARLY tells, with black letters on white background:
1) A/V EDGE to get involved in CAC-related Subnet definition and 2) YES we DO use 32-bit mask...
so for New York this is 131.107.100.3/32 ...
NO .../24: why include WHOLE subnet where we only need public IP of A/V Edge?
First all, the question is 'for CAC and media bypass'.
Now, from link: http://technet.microsoft.com/en-us/library/gg398585.aspx, we know
####
Media bypass and bandwidth reservation are mutually exclusive. If a media bypass is employed for a call,
call admission control is not performed for that call. The assumption here is that there are no links with
constrained bandwidth involved in the call. If call admission control is used for a particular call that involves
the Mediation Server, that call cannot employ media bypass.
#####
For CAC itself, link: http://technet.microsoft.com/en-us/library/gg398334.aspx. Read bottom of the page, "it
is important that subnets entered during network configuration on the server are actual subnets instead of
virtual subnets". It explained why 192.168.8.0/21, 30.0/23, ..
Now considering A/V edge server, link: http://technet.microsoft.com/en-us/library/gg425827.aspx. It says: If you deploy Audio/Video Edge Servers, the public IP addresses of each Edge Server must be associated with the network site where the Edge Server is deployed. Each public IP address of the A/V Edge Server must be added to your network configuration settings as a subnet with a subnet mask of 32
NY: 131.107.100.0/24 192.168.8.0/21
LA: 192.168.30.0/23
Miami: 192.168.20.0/24
Houston: 192.168.40.0/24
The 192.168.x.x configurations as per defined in scenario.
Then we need a public network address for New York. We must not use the /32 network mask.

Question 8

You need to design the Call Park solution. Which Call Park design should you choose? To answer, select the appropriate range and application server in the dialog box in the answer area.
Hot Area:

Correct Answer:

Explanation:
http://technet.microsoft.com/en-us/library/gg398361.aspx
Each orbit range typically encompasses 100 or fewer orbits, but it can be much larger as long as it includes fewer than 10,000 orbits. For example, instead of specifying a starting number of "7000000" and an ending number of "8000000," consider specifying a starting number of "7000000" and an ending number of "7000100." 0-99 is too dew. 100-199 makes better sense
200-9999 and Pool1.contoso.com, which I agree with.
From the Scenario - at any given time, a maximum of 25% of users in NY are on the phone. A max of 20%
of calls are to the PSTN.
4000 users in NY office so 4000 * .25 * 0.20 = 200 max number of users that can be put on hold. The range
needs to be at least 200.
I think the answer should be:
Range: 200-9999
Application Server: Pool1.contoso.com

Question 9

An administrator makes several security changes to the firewalls.
After you deploy Enterprise Voice, remote users report that they fail to access their voice mail by using the
Call Voice Mail option in the Lync client.
You verify that the users can access their voice mail by dialing the subscriber access number.
You need to ensure that the users can access their voice mail by clicking Call Voice Mail.
Which two sets of ports should you open? (Each correct answer presents part of the solution. Choose two.)

A. TCP 5062 and 8057 on the internal firewall

B. TCP 5062 and 8057 on the external firewall

C. TCP 443 and UDP 3478 on the external firewall

D. UDP 50,000 to 59,999 on the internal firewall

E. TCP 443 and UDP 3478 on the internal firewall

F. UDP 50,000 to 59,999 on the external firewall

Correct Answer: C,F

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Question 10

You need to recommend which ports must be configured on the hardware load balancer to meet the technical requirements.
Which TCP ports should you include in the recommendation?

A. 80, 5060, and 5061

B. 80 and 8080

C. 135, 443, and 8080

D. 443 and 443

Correct Answer: D

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Microsoft Enterprise Voice & Online Services with Microsoft Lync Server 2013 (70-337) Free Practice Test