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You need to solve the Enterprise Voice issue experienced by Sydney users.
Which normalization rule should you use for mobile numbers?
You need to configure media bypass for Tailspin Toys.
What should you do? To answer, select the appropriate Media Bypass setting from each list in the answer area.
Case Study 6 – Contoso, LTD 2 (QUESTION 33 – QUESTION 36)
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
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.
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 instant 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 addressed 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 the 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.
All Session Initiation Protocol traffic (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.
Drag and Drop Question
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.
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.
You need to estimate the volume of Skype for Business traffic.
In the Skype for Business Calculator, which options should you select? To answer, select the appropriate branch site or sites in the Skype for Business Bandwidth Calculator.
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 users at Contoso, Ltd.
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.
A. Confirm that bandwidth is sufficient for 40 new Litware, Inc. Skype for Business users.
B. Confirm that the volume of Skype for Business traffic does not exceed 5 megabits per second (Mbps).
C. Confirm that bandwidth is sufficient for 80 new Litware, Inc. Skype for Business users.
D. Confirm that the volume of Skype for Business traffic does not exceed 25 percent of wide area network (WAN) bandwidth.
E. Confirm that bandwidth is sufficient for Microsoft Office 365 Hybrid Skype for Business deployment.
You support Skype for Business Server 2015 servers in your customer’s network.
The network includes two branches connected with an 8 megabits per second (Mbps) network circuit. The circuit has 1 Mbps of dedicated bandwidth for Skype for Business voice traffic.
The network is required to handle 50 peer-to-peer (P2P) calls at a minimum.
Users report that calls between the branches are being dropped, and voice quality is degraded.
Skype for Business audio codecs:
You need to calculate appropriate bandwidth for the P2P call volume required.
What is the minimum dedicated bandwidth that you should allocate?
A. 1.2 Mbps
B. 1.4 Mbps
C. 1.9 Mbps
D. 2.2 Mbps E. 2.3 Mbps
You support a Skype for Business Server 2015 environment that consists of the following:
A single Skype for Business Server 2015 Standard Edition pool that is located in a main office.
Four branch offices that are connected by a 9 megabits per second (Mbps) dedicated wide area network (WAN) link, each of which has 300 users.
You need to be able to support 75 concurrent calls.
Users in the branch offices report poor quality audio during conferences.
You perform the following troubleshooting steps:
Implemented Quality of Service (Qos) and Call Admission Control (CAC). In CAC, defined the main office and each branch office as a site In CAC, associated subnets to the relevant sites. Provisioned policy-based QoS for media traffic.
Poor audio quality persists.
You run the Skype for Business Management Shell Get-CsNetworkSite cmdlet.
The relevant portion of the results are shown below:
You need to improve audio quality.
What should you do?
A. Create a region route to route network traffic between the CAC sites.
B. Create a bandwidth policy profile with an Audio Session Limit of 40 Kbps. Assign the profile to the centralsite.
C. Create a bandwidth policy profile with an Audio Session Limit of 40 Kbps and an Audio Limit of 3 Mbps.Assign the profile to each branch site.
D. Create a bandwidth policy profile with an Audio Session Limit of 40 Kbps and an Audio Limit of 1 Mbps.Assign the profile to each branch site.
Drag and Drop Question
You have a Skype for Business Server 2015 infrastructure.
You have one Enterprise Edition pool named pool1.contoso.com.
Enterprise Voice is enabled for all users.
You have a public switched telephone network (PSTN) gateway named mg1.contoso.com that does not support secure signaling. The Encryption support level of the global trunk configuration is set to Not Supported.
You add a second PSTN gateway named mg2.contoso.com. The SIP General parameters for mg2.contoso.com are configured as shown in the following table.
On mg2.contoso.com, you generate and install a certificate from an internal certification authority (CA).
You need to ensure that Skype for Business Server 2015 can use both PSTN gateways to make calls on the PSTN.
Which four 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.
Your company has a Skype for Business Server 2015 infrastructure.
You need to ensure that users can answer calls placed to other users by using the Group Call Pickup feature.
Which Skype for Business Management Shell cmdlet should you run?
Tailspin Toys deploys a Skype for Business Enterprise Voice environment that has two paired pools. The pools are located in Sydney and Singapore for high availability (HA).
You must collect user opinions about the quality of audio calls.
You must survey 60% of the calls for feedback.
You need to configure end users ratings for the audio calls.
What should you do?
A. Use SQL Management studio to run the SQL query [QoeMetrics].[dbo].[CallQualityFeedbackTokenDef].
B. Deploy Call Quality Dashboard (CQD) to see the Rate My Call reports.
C. Configure Rate My Call percentage to 60% and deploy Call Quality Dashboard (CQD) to see the reports.
D. Use SQL Management studio to run the SQL query [QoeMetrics].[dbo].[CallQualityFeedbackToken].
You support a Skype for Business environment.
You deploy System Center Operations Manager. You implement Enterprise Voice.
Some users use a desktop phone to place and receive public switched telephone network (PSTN) calls with people outside of Skype for Business. Some of these users report intermittent connectivity issues with incoming and outgoing calls.
You need to periodically confirm that users are able to place and receive calls with people outside of Skype for Business.
Which two actions should you perform? Each Answer: presents part of the solution.
A. In the synthetic transaction, run the Test-CsP2PAV Skype for Business Management Shell cmdlet.
B. Create a watcher node and configure it for an extended, non-default synthetic transaction.
C. In the synthetic transaction, run the Test-CsPstnPeerToPeerCall Skype for Business Management Shell cmdlet.
D. Create a watcher node and configure it for a default synthetic transaction.
You create a topology that includes Enterprise Voice.
You configure the system to play a message when unassigned numbers are dialed.
You need to add the voice announcements.
Which two file formats can you use? Each Answer: presents a complete solution.
A. WAVE Audio file (*.WAV).
B. Windows Media Audio File (*.WMA)
C. MPEG-4 Audio File (*.M4A)
D. MPEG-2 Audio File (*.MPA)
E. MP3 Audio File (*.MP3)
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.
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.
About 90% questions are from this 70-333 dump. One thing you need to pay attention is the questions are rephrased in the real 70-333 exam. And btw selections are jumbled so you must remember the answer itself not the letter of choice.
70-333 new questions on Google Drive: https://drive.google.com/open?id=0B3Syig5i8gpDZTBlMkFEQlRmNzg
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