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Case Study 4 – Contoso, Ltd. (QUESTION 18 – QUESTION 26)
Overview
General Overview
Contoso, Ltd. is an international manufacturing company that has 30,000 users. Contoso has the following departments: sales, research, marketing, human resources, executive, manufacturing, and legal. The sales department has 2,000 users. All of the users in the sales department are located in the United States. The research department has 3,000 users. All of the users in the research department are located in Europe.
Physical Locations
Contoso has two main offices. The offices are located in Houston and Frankfurt. Each office has 15,000 users. The offices connect to each other by using the MPLS network. Each office connects directly to the Internet.

Existing Environment
Lync Server Infrastructure
Contoso has a Lync Server 2013 infrastructure that only uses internal instant messaging (IM) and presence. The infrastructure contains a single Enterprise Edition Front End pool that services all of the users. Contoso uses a SIP domain of contoso.com for all of the users. Client computers have either Microsoft Lync 2010 or Microsoft Lync 2013 installed. Before deploying Skype for Business Server 2015 and migrating the users, you implement a small pilot project to test the functionality of Skype for Business Server 2015.
Problem Statements
The users in the pilot report that occasionally, they cannot sign in to Skype for Business 2015.
Requirements
Business goal
Contoso plans to upgrade to Skype for Business Server 2015 during the next six months. Contoso must deploy all of the conferencing and edge services. Contoso must also configure federation with its parent company, which is named Proseware, Inc. Proseware is located in Europe and has a Lync Server 2010 infrastructure. Contoso must minimize hardware and software purchasing costs, while guaranteeing performance levels for all Skype for Business Server 2015 workloads.
Planned Changes
Contoso plans to implement the following workloads in the Skype for Business Server 2015 deployment:
– Federation
– Dial-in conferencing
– External user access
– Audio, video, and web conferencing
– The ability to host Lync meetings that have external participants
The FQDNs of the edge services will be configured as shown in the following table:
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Technical Requirements
Contoso identifies the following technical requirements for the planned deployment:
– Only federation to Proseware must be allowed.
– All of the edge services must use default ports.
– Wide area network (WAN) traffic and Internet traffic must be minimized.
– All of the user contacts stored in Skype for Business Server 2015 must be backed up.
– The sales department must have a dedicated dial-in conferencing number. All other users in both the United States and Europe must use a pool of regional dial-in conferencing numbers.
– If a single component fails, all Skype for Business services must remain available without the need for manual intervention. Performance degradation is acceptable during a component failure state.
– The conversations of all the sales department users must be archived for 30 days. The conversations of all the research department users must be archived for 90 days. No other conversations must be archived.
– After the migration to Skype for Business Server 2015, all client computers will have three months to upgrade to Skype for Business. After three months, legacy clients must be blocked from accessing the Skype for Business Server 2015 infrastructure.
Security Requirements
Contoso identifies the following security requirements for the planned deployment:
– All Skype for Business Server conferences must use a unique URL.
– Each Internet-facing service must have one or more dedicated public IP addresses.
– Only the users in the human resources department must be prevented from connecting to Skype for Business Server 2015 remotely.

QUESTION 18
Hotspot Question
You need to configure the required Domain Name System (DNS) record to support federation. How should you configure the DNS record? (To answer, select the appropriate options for the DNS record in the answer area.)
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Answer:
passleader-70-334-dumps-182

QUESTION 19
You need to configure the Skype for Business Server 2015 infrastructure to meet the security requirements for the human resources department. The solution must minimize administrative effort. What should you do?

A.    Modify the global external access policy.
B.    Create a new user-level client policy.
C.    Create a new user-level external access policy.
D.    Modify the Access Edge Configuration settings.

Answer: C

QUESTION 20
Drag and Drop Question
You need to identify the cause of the authentication issue for the pilot users. 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.)
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Answer:
passleader-70-334-dumps-202

QUESTION 21
Hotspot Question
You need to ensure that the Skype for Business Server 2015 infrastructure meets the security requirement for conferences. In Skype for Business Control Panel, which setting should you modify? (To answer, select the appropriate setting in the answer area.)
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Answer:
passleader-70-334-dumps-212

QUESTION 22
Hotspot Question
You need to identify the minimum number of required public IP addresses for each Skype for Business Server 2015 component. How many public IP addresses should you reserve for each component? (To answer, select the appropriate number servers in the answer area.)
passleader-70-334-dumps-221

Answer:
……

QUESTION 23
You need to identify the dial-in conferencing configurations for sales department users. Which two configurations should you use? (Each correct answer presents part of the solution. Choose two.)

A.    Create a user-level conferencing policy.
Assign the conferencing policy to the sales department users.
B.    Create a user-level dial plan.
Assign the dial plan to the sales department users.
C.    Create a new dial-in access number.
Assign the dial-in access number to a dial-in conferencing region.
D.    Create a user-level voice policy.
Assign the voice policy to the sales department users.
E.    Create a new meeting configuration.
Assign the meeting to a site.

Answer: BC

QUESTION 24
Three months after you deploy Skype for Business Server 2015, you must modify the configuration to meet the technical requirements. Which Skype for Business Management Shell cmdlet should you run?

A.    Set-CsMobilityPolicy
B.    Set-CsClientVersionPolicy
C.    Set-CsDeviceUpdateConfiguration
D.    Set-CsClientPolicy
E.    Set-CsClientVersionConfiguration

Answer: C

QUESTION 25
You need to configure the Skype for Business Server 2015 infrastructure to meet the security requirements for the human resources department. The solution must minimize administrative effort. What should you do?

A.    Modify the global external access policy.
B.    Create a new user-level external access policy.
C.    Create a new user-level client policy.
D.    Modify the Access Edge Configuration settings.

Answer: C
Explanation:
https://technet.microsoft.com/en-us/library/gg398300.aspx

QUESTION 26
Hotspot Question
You need to identify the minimum number of Skype for Business Server 2015 servers and supporting server roles required in each Skype for Business site. What is the minimum number of servers required? (To answer, select the appropriate number of each server type in the answer area.)
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Answer:
passleader-70-334-dumps-262
Explanation:
https://technet.microsoft.com/en-us/library/gg615015.aspx
https://blogs.technet.microsoft.com/canitpro/2015/05/05/step-by-step-installation-of-skype-for-business-server-2015/


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