Recertification for MCSE: Communication
Question No: 141 – (Topic 10)
You need to identify the minimum number of voice routes that must be created to meet the technical requirements.
How many voice routes should you identify?
Question No: 142 – (Topic 10)
You need to configure DHCP to support the technical requirement for the Lync Phone Edition devices.
Which DHCP options should you include in the solution? (Each correct answer presents part of the solution. Choose all that apply.)
80 D. 120 E. 144
Answer: B,D Explanation:
B: DHCP Option 43
Option 43 is not really a single option but a number of sub-options which tell the phone
where to locate the Certificate Provisioning service on the Lync server.
D: DHCP Option 120
Once the certificate is downloaded to the phone then a valid Lync registrar server needs to be located. The value of Option 120 will be the FQDN of the Lync server which will handle authentication requests from the phones.
Microsoft Lync Phone Edition devices must be supported. Reference: Configuring Lync Server for Phone Edition Devices
Question No: 143 HOTSPOT – (Topic 10)
You plan to implement the response group for the support staff and to create the agent groups shown in the following table.
You need to configure the agent groups to meet the response group requirements.
How should you configure each agent group? (To answer, select the appropriate options for each group in the answer area.)
Question No: 144 – (Topic 10)
You need to resolve the federation issue with contoso.com.
Which two Windows PowerShell cmdlets should you run? (Each correct answer presents part of the solution. Choose two.)
Answer: A,E Explanation:
We cannot modify the proxyFQDN for the Hosting Provider so we need to remove it then add it again.
Creates a new hosting provider for use in your organization. A hosting provider is a private third-party organization that provides instant messaging, presence, and related services for a domain that you would like to federate with. Hosting providers, such as Microsoft Lync Online 2010, differ from public providers (such as Yahoo!, MSN, and AOL) in that their services are not offered to the general public.
/ The Lync Server 2013 infrastructure is configured to use federation with users at a partner
company, which is named Contoso, Ltd. Contoso has a SIP domain named contoso.com. The users at Contoso use Microsoft Lync Online.
/ A change to the Lync services provider proxy URL recently caused the federation with contoso.com to become unavailable.
Question No: 145 – (Topic 10)
You are implementing the Enterprise Voice solution.
You create the objects described as shown in the following table.
You need to recommend which action must be performed to meet the technical requirements for Enterprise Voice routing.
What should you add?
PSTN1 to VP2
PSTN1 to VP1
PSTN2 to VP2
PSTN2 to VP1
Question No: 146 – (Topic 10)
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.)
TCP 443 and UDP 3478 on the internal firewall
TCP 443 and UDP 3478 on the external firewall
TCP 5062 and 8057 on the internal firewall
UDP 50,000 to 59,999 on the external firewall
TCP 5062 and 8057 on the external firewall
UDP 50,000 to 59,999 on the internal firewall
Question No: 147 HOTSPOT – (Topic 10)
You need to identify the minimum number of UM dial plans and access numbers required to support the technical requirement for subscriber access.
What should you identify? (To answer, select the appropriate number of UM dial plans and access numbers in the answer area.)
Number of UM dial Plans: 3 Number of access numbers: 3
Question No: 148 – (Topic 10)
You need to create a rule to meet the technical requirements for international dialing from the SIP trunk in the New York office.
Which type of rule should you create?
Called number translation
Calling number translation
Question No: 149 HOTSPOT – (Topic 10)
You need to identify the minimum amount of bandwidth required for each network connection to support the technical requirement for application sharing.
How much bandwidth should you identify? (To answer, select the appropriate amount of bandwidth for each network connection in the answer area.)
Question No: 150 HOTSPOT – (Topic 10)
You plan to modify the firewall in the Montreal office that connects to the Internet.
You need to implement the inbound firewall rules to meet the security requirements for inbound A/V connections.
Which rules should you implement? (To answer, configure the appropriate firewall rules in the answer area.)
From scenario: IP address of the edge server is 220.127.116.11
The A/V Edge requirements for ports and protocol have changed in Microsoft Lync Server
. Depending upon your requirements for federation with partner infrastructures and the configuration of your Edge Servers, the following ports should be considered:
Topic 11, Contoso Ltd Overview
Contoso, Ltd. is an international manufacturing company that has 2,500 users.
Contoso has a sales department, a marketing department, a research department, and a human resources department.
Contoso has a main office in Denver. All users work in the main office.
The Denver office consists of three buildings. Each building is configured as a separate network segment.
The Denver office connects directly to the Internet.
Active Directory Infrastructure
The network contains an Active Directory forest named contoso.com. The forest contains a single domain. All domain controllers run Windows Server 2008 R2.
Contoso has a standalone root certificate authority (CA) named CA1.
Lync Server Infrastructure
The network contains a Lync Server 2013 infrastructure. The infrastructure contains five servers in the Denver office. The servers are configured as shown in the following table.
FE1 and FE2 are part of a pool named Pool1 that uses DNS load balancing and a hardware load balancer.
Edge1 and Edge2 are configured to use DNS load balancing.
The sequence of phone numbers at the Denver office is 720-555-5000 to 720-555-8000. You have a response group named RG1.
Exchange Server Organization
Contoso has a Microsoft Exchange Server 2010 organization that contains three servers in the Denver office. The servers are configured as shown in the following table.