70-333 Exam
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Q21. - (Topic 7)
You have a Skype for Business Server 2015 infrastructure that has Enterprise Voice enabled.
When a caller dials an unassigned number, the caller hears a custom message, and then
the caller is forwarded to a user named User1. Several months later, User1 leaves the company.
You need to ensure that when a caller dials an unassigned number, the caller hears the custom message and is forwarded to a user named User2.
Which Skype for Business Management Shell cmdlet should you run?
A. Set-CsVoiceRoute
B. Set-CsAnnouncement
C. Set-CsUnassignedNumber
D. Set-CsUser
Answer: B
Explanation:
References: https://technet.microsoft.com/en-us/library/gg425752.aspx
Q22. - (Topic 2)
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?
A. PSTN1 to VP1
B. PSTN1 to VP2
C. PSTN2 to VP1
D. PSTN2 to VP2
Answer: C
Q23. - (Topic 2)
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?
A. called number translation
B. normalization
C. dialing
D. calling number translation
Answer: A
Q24. - (Topic 7)
Your company has a Skype for Business Server 2015 infrastructure that contains two topology sites named London and Seattle. Each site contains an Enterprise Edition Front End pool and an Edge Server.
The external DNS records are configured as shown in the following table.
All users use the Skype for Business client. Some of the users use the Skype for Business client from their personal computer.
You need to ensure that the users in the London site use the Edge Server in the London site for authentication and the users in the Seattle site use the Edge Server in the Seattle site for authentication. The solution must minimize administrative effort.
What should you do?
A. Create an SRV record named _sipexternal._tls.contoso.com that points to sip2.contoso.com.
B. Create an SRV record named _sip._tls.contoso.com that points to sip2.contoso.com.
C. Create an A record for discover.contoso.com that points to the reverse proxy in the Seattle site.
D. Configure a Group Policy object (GPO) for the London site that configures the Skype for Business client touse an external server name of sip2.contoso.com.
Answer: B
Explanation:
References: https://technet.microsoft.com/en-us/library/gg398758(v=ocs.15).aspx
Q25. - (Topic 4)
You need to configure the trunks defined in the Skype for Business topology based on the requirements.
A. Enable media bypass.
B. Enable centralized media processing.
C. Set Encryption Support Level to required.
D. Disable REFER support.
Answer: A,D
Topic 5, Tailspin toys
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
You have the following 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 details the Dial Plan for the Sydney office:
User issues
Users report the following issues:
Users in Hong Kong report issues with 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 device 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 party dial-in conferencing provider.
Network requirements:
Prioritize Skype for Business traffic on the network where possible. Avoid over-subscription on bandwidth constraint 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 locations. 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.
Q26. - (Topic 2)
You need to create the voice routes.
How many voice routes should you create?
A. 1
B. 2
C. 4
D. 40
E. 270
Answer: C
Q27. DRAG DROP - (Topic 1)
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.
Answer:
Q28. - (Topic 7)
You support a customer whose network environment includes Skype for Business Server 2015 servers. All of the company servers are located in the company datacenter. All users have Skype for Business client installed on their local computers.
You deploy a virtual desktop infrastructure (VDI) environment to a pilot group of users. You install the Lync VDI plug-in and plug Skype for Business compatible devices to the users’ computers.
Users report that Skype for Business fails intermittently when pairing with the Lync VDI plug-in.
You need to ensure reliable access to Skype for Business Server 2015 for this pilot group of users.
What should you do?
A. For all VDI users, set the value of the EnableMediaRedirection property to $FALSE.
B. Configure the remote desktop client settings so that audio plays on the local computer and remote recordingis disabled.
C. Run Windows 10 or higher on the local computers.
D. Uninstall Skype for Business from the local users’ computers.
Answer: D
Explanation:
References: https://technet.microsoft.com/en-us/library/jj204713(v=ocs.15).aspx
Q29. DRAG DROP - (Topic 1)
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.
Answer:
Q30. DRAG DROP - (Topic 7)
You have a Skype for Business Server 2015 infrastructure. You have a Virtual Desktop Infrastructure (VDI) that uses Hyper-V.
You use 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.
Answer:
Explanation:
References:
https://itbasedtelco.wordpress.com/2013/06/17/lync-deployment-using-virtual-desktops-vdi/ https://technet.microsoft.com/en-us/library/jj205304(v=ocs.15).aspx