MCSE: Productivity Skype for Business Exam 70-333 Practice Questions

As one exam of MCSE: Productivity certification, 70-333 Deploying Enterprise Voice with Skype for Business 2015 (beta) exam requires you have ability as shown:

  • Be proficient in deploying Skype for Business Server and Skype for Business Online solutions for end users, endpoint devices, telephony, audio/video and web conferences, security, and high availability.
  • Know how to monitor and troubleshoot Skype for Business using Microsoft tools.
  • Be proficient with Active Directory Domain Services, data networks, and telecommunications standards and components that support the configuration of Skype for Business.
  • Be familiar with the requirements for integrating Skype for Business with Microsoft Exchange Server and Office 365.

Just updated MCSE: Productivity Skype for Business Exam 70-333 Practice Questions based on all requirements and objectives to help you pass Microsoft 70-333 exam successfully.

MCSE: Productivity Skype for Business Exam 70-333 Practice Questions

1. Testlet 1

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.

Enterprise Voice

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.

HOTSPOT

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.

2. DRAG DROP

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.

3. You are planning the Peer-to-Peer (P2P) audio bandwidth requirements for the Berlin wide area network (WAN) connection.

You need to calculate the bandwidth usage network impact of P2P audio calls between Berlin and Moscow.

What is the minimum bandwidth in megabits per second (Mbps) required for P2P calls between Berlin and Moscow?

4. Users in Copenhagen report frequent audio call issues. You need to resolve the issues.

Which three actions should you perform? Each correct answer presents part of the solution.

5. You need to configure the trunks defined in the Skype for Business topology based on the requirements.

Which two actions should you perform? Each correct answer presents part of the solution.

6. DRAG DROP

You need to replace the existing call group pickup solution in Denmark with a Skype for Business solution. You need to prepare the Skype for Business Server 2015 environment to provide call group pickup functionality.

Which three Skype for Business Management Shell cmdlets should you run in sequence? To answer, move the appropriate Skype for Business Management Shell cmdlets from the list of cmdlets to the answer area and arrange them in the correct order.

7. HOTSPOT

You need to allocate the minimum bandwidth required for the global town hall meeting that will be held in the 3rd quarter of the financial year.

For each location, how much bandwidth in kilobits per second (Kbps) should you allocate? To answer, select the appropriate bandwidth value from each list in the answer area.

8. You need to ensure that the new finance department users can sign in to the Aries phone without tethering the phone to their computer.

Which two actions should you perform? NOTE: Each correct answer presents part of the solution.

9. DRAG DROP

You need replace the existing automatic call distribution (ACD) helpdesk with Skype for Business Server 2015 solution.

Which three actions should you perform in sequence to recreate the ACD in Skype for Business Server 2015? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.

10. DRAG DROP

You need to implement voice resiliency for international calls.

Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.

11. You need to plan a solution to allow masking of a calling number.

How can a calling number of a Skype for Business user be changed to match the main number of the company?

12. Testlet 1

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.

DRAG DROP

You need to configure the unassigned numbers range to support the planned changes.

Which four actions should you perform in sequence? To answer, move the four appropriate actions from the list of actions to the answer area and arrange then in the correct order.

13. DRAG DROP

You need to create the DHCP options required for Skype for Business Phone Edition devices.

Which three actions should you perform? To answer, move the three appropriate actions from the list of actions to the answer area and arrange them in the correct order.

14. HOTSPOT

You need to deploy the Skype for Business components that are necessary to support the planned changes for voice resiliency.

Which component should you deploy at each office? To answer, select the appropriate component for each office in the answer area.

15. DRAG DROP

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.

16. HOTSPOT

You need to ensure that the Miami users can use a five-digit extension when they call the Los Angeles users.

What should you include in the normalization rule? To answer, configure the appropriate match pattern and translation pattern in the dialog box in the answer area.

17. HOTSPOT 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.

18. DRAG DROP

You are evaluating the implementation of the gateway in the Los Angeles office. You need to ensure that least cost routing is used in the Los Angeles and Houston offices for local calls

after the gateway is deployed. The solution must meet the technical requirements.

Which route should you assign to each public switched telephone network (PSTN) usage? To answer, drag the appropriate route to the correct PSTN usage in the answer area. Each route 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.

19. You collect the following call statistics for users in Los Angeles:

• Peak call concurrency is 25 percent.

• Fifty percent of all placed calls are routed to the public switched telephone network (PSTN)

• Thirty percent of all placed calls are internal calls to users in the other offices.

• Twenty percent of all placed calls are conference calls.

• The average bandwidth for peer-to-peer calls is 65 kilobits per second (Kbps).

• The average bandwidth used for conference calls is 100 Kbps.

You need to allocate the minimum amount of bandwidth required on the wide area network (WAN) link for the planned implementation of the voice gateway in the Los Angeles office. All calls to the PSTN will be routed through the local voice gateway in the Los Angeles office.

How much bandwidth in megabits per second (Mbps) should you allocate?

20. Testlet 1

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 are 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.

You need to solve the Enterprise Voice issue experienced by Sydney users.

Which normalization rule should you use for mobile numbers?

21. DRAG DROP

You need to configure Tailspin Toy’s desktop clients and phone edition clients to apply Differentiated Services Code Point (DSCP) markings.

What are the minimum actions you need to do? To answer, drag the appropriate configuration option to the client. Each action may be used once, more than once or nor at all. You may need to drag the split bar between panes or scroll to view content.

22. You need to troubleshoot and resolve the issue User1 is reporting.

Which action should you perform to resolve the issue?

23. 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?

24. DRAG DROP

You need to determine the number of lines that are required for the new public switched telephone network (PSTN) connections.

How many lines are required for each location? To answer, drag the appropriate number of line to the correct location. Each number 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.

25. Tailspin Toys completes the implementation of Call Admission Control (CAC) for the entire network. You need to configure the Enterprise Voice policies for executives.

What should you do?

26. You need to manage the bandwidth consumption for the wide area network (WAN) links.

Which functionality should you manage?

27. HOTSPOT

You need to design the Quality of Service (QoS) configuration for the solution. For each solution option, which port range should you use? To answer, select the appropriate port range

from each list in the answer area.

28. You need to implement the Mediation services solution.

What should you do?

29. Testlet 1

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.

HOTSPOT

You need to estimate the volume of Skype for Business traffic. In the Skype for Business Bandwidth Calculator, which options should you select? To answer, select the appropriate branch site or sites in the Skype for Business Bandwidth Calculator. (Note: The three drop-down lists are in the row for Seattle.)

30. 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.

31. You need to define the goals that you would like to achieve after you perform usage modeling of Skype for Business traffic.

Which two goals should you establish? Each correct answer presents part of the solution.

32. DRAG DROP

You are developing a design solution to eliminate the possibility of wide area network (WAN) over-subscription by Skype for Business traffic.

You need to assign tasks to each office to prevent over subscription and to ensure quality.

Which tasks should you assign to each office? To answer, drag the appropriate task or tasks to the correct office or offices in the answer area. Each task may be used once, more than once, or not at all. You may need to drag the split bar between panels or scroll to view content.


 

 

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