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NEW QUESTION NO: 8
Tailspin Toys deploys Skype for Business Enterprise Voice.
Tailspin Toys executives must be able to call each other directly at any time irrespective of their presence status.
You need to configure the Enterprise Voice solution.
What should you do?
A. Create a private telephone line for all executives and share the associated phone number of all the members with each other.
B. Set the value of the privacy relationship setting for each executive team contact to the value Workgroup.
C. Set the value of the simultaneous ring setting for all executives to Ring my delegates after 10 seconds.
D. Create a second SIP address for each executive, assign a TelUri, and ask the members to manually add the second SIP address of other members in the contact list.
Answer: B
Explanation/Reference:
Explanation:
References:
https://support.office.com/en-gb/article/Control-access-to-your-presence-information-in-Skype-for- Business-fea86e34-60cf-4dd0-bfb2-169a42afd92c?ui=en-US&rs=en-GB&ad=GB

NEW QUESTION NO: 9
Case Study
This is a case study. Case studies are not timed separately. You can use as much exam time as you would like to complete each case. However, there may be additional case studies and sections on this exam. You must manage your time to ensure that you are able to complete all questions included on this exam in the time provided.
To answer the questions included in a case study, you will need to reference information that is provided in the case study. Case studies might contain exhibits and other resources that provide more information about the scenario that is described in the case study. Each question is independent of the other question on this case study.
At the end of this case study, a review screen will appear. This screen allows you to review your answers and to make changes before you move to the next sections of the exam. After you begin a new section, you cannot return to this section.
To start the case study
To display the first question on this case study, click the Next button. Use the buttons in the left pane to explore the content of the case study before you answer the questions. Clicking these buttons displays information such as business requirements, existing environment, and problem statements. If the case study has an All Information tab, note that the information displayed is identical to the information displayed on the subsequent tabs. When you are ready to answer a question, click the Question button to return to the question.
Background
Contoso, Ltd. is a Canadian business law firm that currently employs 300 people. The company operates a main office in Vancouver that houses 250 employees and a branch office in Seattle that houses 50 employees. All Contoso users are Skype for Business-enabled. Contoso is launching a hybrid configuration of Office 365 to validate the cloud-based Exchange Online service.
Contoso plans to introduce a remote disaster recovery data center to host remote replicas of key services, including Active Directory Domain Services (AD DS), Skype for Business, Exchange, and files and legal software. The company also plans to acquire a small law firm in Vancouver called Litware, Inc., which has
80 employees. Litware currently uses a 10-megabit per second (Mbps) Internet connection.
Half of Litware employees will use Skype for Business services. All Skype for Business-enabled users in Litware will use Instant Messaging only. Currently, Instant Messaging concurrent usage at Litware is 50 percent during peak hours.
There is a possibility that Contoso will make two more acquisitions during the next three years. Vancouver and Seattle employees have submitted support tickets to report poor quality of outbound Skype for Business calls to external users. A user activity report collected by the help desk department is shown in the User Activity Report section.
There is a concern that in the future, the volume of Skype for Business traffic may reach up to 50 percent of the current bandwidth available in the Vancouver office.
User Activity Report

Existing Environment
The core portion of the infrastructure is located in the Vancouver data center, although the Seattle data center also has two servers (listed below) to provide redundancy of Active Directory and data services.
The following services and applications comprise Contoso's infrastructure in Vancouver and Seattle:
Vancouver Data Center:

Seattle Data Center:

An overview of the network infrastructure of Vancouver and Seattle data centers is shown in the exhibit.
(Click the Exhibit button.)

All users in the Vancouver and Seattle offices use the Microsoft Windows 8 Enterprise operating system and phones that are enabled for Enterprise voice.
Contoso expects to see a growing number of remote users. They anticipate that up to 20 percent of users in Vancouver might work remotely.
Contoso has defined a team of 35 users who will participate in a pilot deployment of the Office 365 hybrid configuration.
The offices in Vancouver and Seattle are using 5-Mbps Internet connections.
Contoso has a site-to-site VPN between the Vancouver office and the Seattle office.
All external outbound calls from the Vancouver and Seattle offices are routed outside through the office in Vancouver.
Business Requirements
Contoso needs to review the existing network topology as well as the Skype for Business Server 2015 infrastructure to ensure that network capacity is sufficient to accommodate the Litware, Inc. Skype for Business users in the future.
Contoso expects to see up to 85 percent of simultaneous instance messaging, 1% of peer-to-peer traffic and 25 percent of public switched telephone network (PSTN) calls over the WAN during business hours.
All existing issues that relate to poor quality of outbound Skype for Business calls need to be addresses as well.
Contoso wants to ensure the following:
Current network bandwidth allocated to the Vancouver office is sufficient to sustain the future volume of

Skype for Business traffic and guarantee high quality of Skype for Business calls.
Volume of Skype for Business Traffic does not exceed 25 percent of the WAN bandwidth.

Contoso plans to redesign the existing site-to-site VPN solution between the Vancouver and Seattle offices to implement a robust and reliable WAN solution with end-to-end support of Quality of Service (QoS).
The recommended design solution needs to eliminate the possibility of WAN oversubscription by Skype for Business traffic.
The proposed Skype for Business Server 2015 solution needs to be:
Scalable to accommodate the company's future acquisitions.

Readily available for Vancouver and Seattle users.

In case of a disaster, a manual switchover of Skype for Business services to the disaster recovery datacenter should be available.
Technical Requirements
All Session Initiation Protocol (SIP) traffic must be encrypted.
All external Skype for Business Server 2015 services must be protected by a firewall.
A commercial third-party certificate must be used on the external interface of Skype for Business Server
2015 Edge servers.
The Role-Based Access Control (RBAC) model will be implemented to delegate basic administrative tasks to the Skype for Business help desk team.
All maintenance of Skype for Business servers must be performed outside of business hours.
The proposed architecture solution must support interoperability between Skype for Business Server 2015 and Exchange 2013.
The Skype for Business Bandwidth Calculator must be used to analyze Skype for Business traffic. The QoS end-to-end support needs to be implemented.
You need to estimate the future volume of Skype for Business traffic in the Vancouver office.
Which two employee totals should you use for the estimate? Each correct answer presents part of the solution.
A. 300 employees at Contoso, Ltd.
B. 80 employees at Litware, Inc.
C. 40 employees at Litware, Inc.
D. 35 hybrid uses at Contoso, Ltd.
Answer: A,C
Explanation/Reference:
Explanation:

NEW QUESTION NO: 10
DRAG DROP
Case Study
This is a case study. Case studies are not timed separately. You can use as much exam time as you would like to complete each case. However, there may be additional case studies and sections on this exam. You must manage your time to ensure that you are able to complete all questions included on this exam in the time provided.
To answer the questions included in a case study, you will need to reference information that is provided in the case study. Case studies might contain exhibits and other resources that provide more information about the scenario that is described in the case study. Each question is independent of the other question on this case study.
At the end of this case study, a review screen will appear. This screen allows you to review your answers and to make changes before you move to the next section of the exam. After you begin a new section, you cannot return to this section.
To start the case study
To display the first question on this case study, click the Next button. Use the buttons in the left pane to explore the content of the case study before you answer the questions. Clicking these buttons displays information such as business requirements, existing environment, and problem statements. If the case study has an All Information tab, note that the information displayed is identical to the information displayed on the subsequent tabs. When you are ready to answer a question, click the Question button to return to the question.
Overview
General Overview
Contoso, Ltd., is a manufacturing company that has 4,000 employees. The company has a sales department, a marketing department, a research department, and a human resources department.
Physical Locations
The company has four offices. The offices are configured as shown in the following table:

The New York office contains the main data center. Communications for all of the offices is routed through the New York office.
All telephone calls from the Los Angeles office and the Miami office are routed through a public switched telephone network (PSTN) gateway in the New York office.
All offices connect to each other by using a wide area network (WAN) link. Each office connects directly to the Internet.
Existing Environment
Active Directory Environment
The company has an Active Directory Domain Services (AD DS) forest named contoso.com. The forest contains a single domain. All domain controllers run Windows Server 2008 R2.
Each office contains two domain controllers. Each office is configured as an AD DS site.
Each office contains DHCP servers that run on 32-bit servers.
Skype for Business Server Environment
The company has nine servers. The servers are configured as shown in the following table:

The company uses a SIP domain of contoso.com. The voice infrastructure is configured as shown in the following table:

All users are enabled for Enterprise Voice. The company also contains the Edge environment configured as shown in the following table:

The Miami office has a dial plan. The dial plan is configured as shown in the following table:

The Skype for Business server configuration has five routes. Location-based routing is not configured. The routes are configured as shown in the following table:

The PSTN usage for the users in the Los Angeles Office is configured as shown in the following table:

Problem Statements
The company identifies the following issues with the current infrastructure:
Los Angeles users report that the audio quality during calls to the New York office is poor and that the

calls often disconnect.
Users in the Miami office report that when their WAN link fails, they cannot establish calls to the PSTN.

The Miami users report that they cannot call the Los Angeles users by using a five-digit internal phone

number.
Requirements
Planned Changes
The company plans to implement the following changes:
Provide voice resiliency in all of the offices if a WAN link fails.

Implement Call Park.

Implement an unassigned number range that has a voice announcement.

Add an additional auto attendant.

Implement a gateway in the Los Angeles Office that uses the local PSTN.

Migrate several users to Skype for Business Online. The users will use instant messaging (IM) with

Skype for Business users only. Client computers will use automatic configuration and open federation.
The migrated users will use a SIP domain of cloud.contoso.com.
Provide a backup route for each office if a gateway fails.

Provide each office with access to the local PSTN.

Technical Requirements
The company identifies the following technical requirements:
Enable five-digit internal dialing that uses the site code and the last four digits of the phone number

range.
Configure the New York gateway as the backup route for the local gateway in each office.

Business Requirements
Changes to the infrastructure must minimize the number of new servers deployed.
You need to plan the subnets for Call Admission Control (CAC) and media bypass.
Which subnet or subnets should you use 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:

Answer: 


NEW QUESTION NO: 11
DRAG DROP
You have a Skype for Business Server 2015 infrastructure. You have a Virtual Desktop Infrastructure (VDI) that uses Hyper-V.
You use the VDI templates based on Windows 8.1. All thin clients run Windows 8.1. Each thin client has a Skype for Business-qualified headset.
You need to prepare all of the thin clients and all of the VDI templates so that users can place calls by using the headset.
Which components should you install on the thin clients and the VDI templates? To answer, drag the appropriate components to the correct location in the answer area. Each component 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. Each correct answer is worth one point.
Select and Place:

Answer: 


NEW QUESTION NO: 12
Case Study
This is a case study. Case studies are not timed separately. You can use as much exam time as you would like to complete each case. However, there may be additional case studies and sections on this exam. You must manage your time to ensure that you are able to complete all questions included on this exam in the time provided.
To answer the questions included in a case study, you will need to reference information that is provided in the case study. Case studies might contain exhibits and other resources that provide more information about the scenario that is described in the case study. Each question is independent of the other question on this case study.
At the end of this case study, a review screen will appear. This screen allows you to review your answers and to make changes before you move to the next sections of the exam. After you begin a new section, you cannot return to this section.
To start the case study
To display the first question on this case study, click the Next button. Use the buttons in the left pane to explore the content of the case study before you answer the questions. Clicking these buttons displays information such as business requirements, existing environment, and problem statements. If the case study has an All Information tab, note that the information displayed is identical to the information displayed on the subsequent tabs. When you are ready to answer a question, click the Question button to return to the question.
Overview
Tailspin Toys is a toy manufacturer. The company headquarters is located in Melbourne. The company has a design and development office located in Singapore. The company also has branch offices in Hong Kong, Jakarta, Tokyo, Sydney, and Auckland. Tailspin Toys has implemented Skype for Business Server
2015 and is actively using instant messaging (IM), presence, peer-to-peer audio and video, conferencing, remote access, and federation. The company uses Exchange Online. The number of users in each office is shown in the following table:

Existing Environment
Networks

The network latency between each branch site and the central site is more than 25ms. Based on the network latency, you use the RTAudio codec for all public switched telephone network (PSTN) calls from the branch sites.
All Windows desktop client computers run Windows 7, Windows 8.1 or Windows 10 and the domain joined.
Skype for Business
Singapore and Melbourne each have the following Skype for Business Server 2015 components:
A front-end pool with three front-end servers

A back-end pool that is configured as a two server SQL AlwaysOn availability group

A single Edge server

A single Reverse Proxy server

A single Office Web App server

Tailspin Toys currently uses a third-party dial-in conferencing provider. Moving dial-in conferencing from the third-party dial-in conferencing provider to the new Skype for Business solution will add a maximum concurrency of 50 PSTN calls to the Melbourne and Singapore sites, respectively.

PBX and Dial plans
The following table shows the call load for the existing IP PBX solution:

The following table details the Dial Plan for the Sydney office:

User issues
Users report the following issued:
Users in Hong Kong report issues with a media quality when using Skype for Business conferencing

features.
Users who need to use Call Via Work report that this option is not visible in their desktop client.

Users in the Auckland office report issues regarding call quality. You identify that the issue relates to

use of non-qualified devices. You purchase new qualified devices and have delivered the devices to the Auckland office.
After the migration from the existing IP-PBX, users in Sydney report that they cannot make calls to

mobile numbers.
User1 is located in the Auckland office. User1 reports persistent call quality issues.
You generate the following diagnostic report for User1:
Caller Device and Signal Metrics:


Audio Stream (Caller -> Callee)


Audio Stream (Callee -> Caller)

Requirements
Business requirements
You have the following business requirements:
You must centralize voice services and reduce the costs associated with long distance and

international calls.
You must implement a single voice solution across the enterprise.

Any planned changes to the solution must minimize administrative and financial costs.

Executives must be allowed to use third party tablets and mobile devices.

Executives must be able to receive inbound calls even under bandwidth constrained situations.

Technical requirements
You have the following technical requirements. The new Skype for Business solution needs to replace the existing third-party dial-in conferencing provider.
Network requirements:
Prioritize Skype for Business traffic on the network where possible.

Avoid over-subscription on bandwidth-constrained network sites.

Unified Messaging requirements:
Tailspin Toys prefers to use voice mail as part of Exchange Online.
Enterprise Voice requirements:
Provide enterprise voice to all users in all location.

Ensure that the solution is highly available.

PSTN connections must be centralized to Melbourne and Singapore.

You must implement Call Via Work functionality for specific users.

Tailspin Toys has completed the configuration for Enterprise Voice.
You need to resolve the issue users are having with the Call Via Work functionality.
What should you do?
A. Create and apply a Call Via Work policy. Enable the policy.
B. Create and apply a client policy that enables the CallViaWork option.
C. Create and apply a voice policy. Enable the CallViaWork option.
D. Configure Call Via Work on the public switched telephone network (PSTN) trunk that connects to the PBX.
E. Create and apply a Call Via Work policy that specifies a value for the AdminCallBackNumber option.
Answer: A
Explanation/Reference:
Explanation:
References:
https://technet.microsoft.com/en-gb/library/dn933908.aspx

NEW QUESTION NO: 13
DRAG DROP
A company has several offices that are located in the office building in Seattle. The company also has employees visiting from other countries. You implement Skype for Business Server Enterprise Voice.
The company has a phone at a security desk. You need to implement call routing for emergency calls. The solution must meet the following requirements:
If a user dials 112, the call must be routed to a phone extension of 0911.

If a user dials 0911, the call must be routed to the phone at the security desk.

The phone at the security desk must be used to forward calls to the emergency number in the Seattle

offices only.
What technologies should you implement? To answer, drag the appropriate technology to the correct requirement in the answer area. Each technology 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:

Answer: 


NEW QUESTION NO: 14
You have a Skype for Business Server 2015 environment. All users are enabled for Enterprise Voice. You have a Microsoft Exchange Server 2013 organization that contains one server named EX01.
You plan to implement Unified Messaging (UM). From Skype for Business Management Shell, you run the following commands:
New-UMDialPlan-Name UMDialPlan-UriType "SipName" -VoipSecurity Secured - NumberOfDigitsInExtension 4 ExchUCUtil.ps1
From Event Viewer, you discover the following error message when Skype for Business Server 2015 attempts to transfer a call to UM: "Attempts to route servers in an Exchange UM Dialplan failed. No server in the dialplan UMDialPlan accepted the call with id [03b5ba2bf7ec4663bc43e8e49c246634].
Cause: Dialplan is not configured properly."
You need to ensure that the Enterprise Voice users can receive voice mail.
Which two actions should you perform? Each correct answer presents part of the solution.
A. From the Exchange Management Shell, run the following command:New-UmAutoAttendant -name LyncAa -UmDialPlan LyncUMDialPlan -Status Enabled
B. From the Exchange Management Shell, run the following command:Set-UmCallRouterSettings EX01 - UmStartupMode Tls -DialPlans "UMDialPlan"
C. Change the value of the VoipSecurity of the UMDialPlan from Secured to SipSecured.
D. From the Exchange Management Shell, run the following command:Set-UmService EX01 - UmStartupMode Tls -DialPlans "UMDialPlan"
E. Change the value of the UriType property of the UMDialPlan from SipName to E.164.
Answer: A,D
Explanation/Reference:
Explanation:

NEW QUESTION NO: 15
HOTSPOT
Case Study
Trey Research is a global marketing research organization that has a main office in Moscow and branch offices in Los Angeles, London, Berlin, Copenhagen, and Jakarta.
The number of users per office is shown below:

Existing systems and telephones
The company has existing IP-PBX systems that are reaching end of life. They use an automatic call distribution (ACD) system for their help desk. This system provides interactive voice response options to users so that they can choose the location for support. This system is also reaching end of life.
The Copenhagen office uses a call group pickup solution that runs on an existing IP-PBX system. All users with the exception of users in Copenhagen have Direct Inward Dialing (DID) numbers.
Trey Research has Skype for Business Enterprise pools in the Moscow, London, and Berlin offices, respectively. They run a Unified Communications Managed API (UCMA) based application in a trusted application pool.
All users in Trey Research are using Aries phones. Users authenticate by using PIN codes.
Quarterly global town hall meetings
Executives conduct global town hall meetings each quarter. Each meeting occurs in a different office.
Employees attend the global town hall meetings in meeting rooms which are equipped with full high definition (HD) screens for video. Ten percent of the employees attend the audio portion of the global town hall meetings from their desk.

Trey Research plans to implement Skype for Business Enterprise Voice across the company to replace the existing IP-PBX systems.
You must use the following typical bandwidth values to determine the bandwidth requirements in kilobits per second (Kbps) for the solution:
Video resolution bandwidth:

Audio codec bandwidth:

You have the following requirements:
General
You must reduce international long distance calling costs, and lower support and administration costs

for the IP-PBX and ACD solutions.
You must implement voice survivability for all the sites in case of a wide area network (WAN) link

failure.
Where possible, you must optimize media paths.

The solution must be resilient to the failure of mediation server pools.

The maximum concurrent peer-to-peer connections between Moscow and Berlin will be 196.

Response groups must be managed by dedicated response group administrators.

Gateways
Existing gateways do not support the REFER method. You must use the existing gateways with Skype

for Business to provide PSTN connectivity.
In the event of a failure of both gateways at any office, all international calls from that office must route

through the Moscow gateways.
Outbound calls
All calls placed to Russia from any office must route through the Moscow gateways.

Germany experiences high public switched telephone network (PSTN) call volume. All calls for

Germany must breakout from Berlin in the event of Mediation Server pool failure in Berlin.
All PSTN calls to Germany must use Berlin gateways in the event of Mediation Server pool failure in

Berlin.
You test the Enterprise Voice solution with users in the Copenhagen office. During testing, users reported audio call issues related to the Call Admission Control (CAC) configuration. The relevant portion of the current configuration is shown in the Table below:

You create the following policies:

Two users who recently joined the company's finance department report that they are not able to use their Aries phones even when they tether the phone to their computer.
You need to design a solution for the Mediation Server pools and trunks that are required to support London, Berlin, and Moscow users.
How many of each component should you deploy? To answer, select the appropriate number of Mediation Server pools and trunks from the lists in the answer area.
Hot Area:

Answer: 


NEW QUESTION NO: 16
DRAG DROP
Case Study
Trey Research is a global marketing research organization that has a main office in Moscow and branch offices in Los Angeles, London, Berlin, Copenhagen, and Jakarta.
The number of users per office is shown below:

Existing systems and telephones
The company has existing IP-PBX systems that are reaching end of life. They use an automatic call distribution (ACD) system for their help desk. This system provides interactive voice response options to users so that they can choose the location for support. This system is also reaching end of life.
The Copenhagen office uses a call group pickup solution that runs on an existing IP-PBX system. All users with the exception of users in Copenhagen have Direct Inward Dialing (DID) numbers.
Trey Research has Skype for Business Enterprise pools in the Moscow, London, and Berlin offices, respectively. They run a Unified Communications Managed API (UCMA) based application in a trusted application pool.
All users in Trey Research are using Aries phones. Users authenticate by using PIN codes.
Quarterly global town hall meetings
Executive conduct global town hall meetings each quarter. Each meeting occurs in a different office.
Employees attend the global town hall meetings in meeting rooms which are equipped with full high definition (HD) screens for video. Ten percent of the employees attend the audio portion of the global town hall meetings from their desk.

Trey Research plans to implement Skype for Business Enterprise Voice across the company to replace the existing IP-PBX systems.
You must use the following typical bandwidth values to determine the bandwidth requirements in kilobits per second (Kbps) for the solution:
Video resolution bandwidth:

Audio codec bandwidth:

You have the following requirements:
General
You must reduce international long distance calling costs, and lower support and administration costs

for the IP-PBX and ACD solutions.
You must implement voice survivability for all the sites in case of a wide area network (WAN) link

failure.
Where possible, you must optimize media paths.

The solution must be resilient to the failure of mediation server pools.

The maximum concurrent peer-to-peer connections between Moscow and Berlin will be 196.

Response groups must be managed by dedicated response group administrators.

Gateways
Existing gateways do not support the REFER method. You must use the existing gateways with Skype

for Business to provide PSTN connectivity.
In the event of a failure of both gateways at any office, all international calls from that office must route

through the Moscow gateways.
Outbound calls
All calls placed to Russia from any office must route through the Moscow gateways.

Germany experiences high public switched telephone network (PSTN) call volume. All calls for

Germany must breakout from Berlin in the event of Mediation Server pool failure in Berlin.
All PSTN calls to Germany must use Berlin gateways in the event of Mediation Server pool failure in

Berlin.
You need to configure the Berlin public switched telephone network (PSTN) usages and voice routes.
In which order will the PSTN usage policies be applied? To answer, move all PSTN usage policies from the list of PSTN usage policies to the answer area and arrange them in which they should be applied.
Select and Place:

Answer: 


NEW QUESTION NO: 17
You have a Skype for Business Server 2015 infrastructure.
You configure the Skype for Business Server to require that each user has a location. You configure a location for each subnet.
Users report that when they sign in, they are prompted for their location information.
You need to prevent the users from being prompted for their location information when they sign in to Skype for Business on the internal network.
Which Skype for Business Management Shell cmdlet should you run?
A. Publish-CsTopology
B. Export-CsLISConfiguration
C. Publish-CsLISConfiguration
D. Set-CsNetworkSubnet
Answer: C
Explanation/Reference:
Explanation:
References:
https://technet.microsoft.com/en-us/library/gg398364.aspx

NEW QUESTION NO: 18
You support a customer's Skype for Business Server 2015 environment. Your customer has granted User1 Conferencing Policy A, and User2 Conferencing Policy B.
When User2 joins a video conference that is hosted by User1, User2 sees only a single video window.
Other users who are joined to the same conference see up to five concurrent video streams.
You need to configure the environment to allow User2 to view multiple concurrent video streams.
Which Skype for Business Management Shell command should you run?
A. Set-CSClientPolicy -EnableFullScreenVideo $True
B. Get-CSConferencingPolicy -Identity 'Conferencing Policy B' | Set-CSConferencingPolicy - EnableMultiViewJoin $True
C. Get-CSConferencingPolicy -Identity 'Conferencing Policy B' | Set-CSConferencingPolicy - AllowMultiView $True
D. Set-CSClientPolicy - EnableMediaRedirection $True
Answer: B
Explanation/Reference:
Explanation:
References:
https://technet.microsoft.com/en-us/library/gg425788.aspx