Microsoft Microsoft Lync Server 74-335

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Microsoft 74-335 Exam Syllabus Topics:

Microsoft Network Readiness and Assessment for Lync Sample Questions:

Question #1
DRAG DROP
Your customer's network includes a main office in Moscow and branch offices in Helsinki and Stockholm- Both branch offices are connected to the main office by WAN links.
You complete a Lync network readiness assessment. The relevant portions of the Lync traffic simul-ation results for each branch office are shown in the following exhibits:
Helsinki Lync traffic (Click the Exhibit button.)
Stockholm Lync traffic (Click the Exhibit button.)


You prepare a final slide presentation that shows the assessment results.
You need to include recommendations for the branch offices in the presentation slides.
Which recommendation should you make for each branch office? (To answer, drag the appropriate recommendation or recommendations to the correct branch office or offices in the answer area. Each recommendation may be used once or not at all. You may need to drag the split bar between panes or scroll to view content.)

Question #2
You prepare Co deliver a network assessment for a customer. The customer has four sites as described in the following table:

The results of the traffic simu-lation between New Delhi and New York are shown in the following table:

You need to analyze the data and provide the General Comments for the traffic simu-lation results. What should you recommend?

A. The network performance is less than acceptable. Average delay is outside of scope.
B. The network performance is acceptable. Maximum consecutive datagram loss is within acceptable ranges. Users may complain.
C. The network performance is less than acceptable. Average Jitter is outside of recommended levels. Users may complain.
D. The network performance is acceptable. Packet loss is within acceptable ranges.

Question #3
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Topic 5, Lucerne Publishing
Background
Lucerne Publishing is an international publishing company headquartered in Seattle. Lucerne specializes in computer technology books and popular science magazines. The company was founded in 2001 and has since expanded significantly through multiple acquisitions. Lucerne Publishing has four main editorial offices, located in Seattle, Denver, London, and Beijing. The company also has more than 50 bookstores and publishing units distributed worldwide, with the biggest bookstore and library located in Glasgow.
Today the company has 2,900 employees worldwide:

Proof of Concept Deployment
Lucerne Publishing has a proof of concept (POC) deployment of Lync 2013.
During the POC testing, users reported the following: - In the Seattle office, there were significant delays in the Presence status updates. - In the Seattle office, the quality of audio calls is often poor during business hours. - In the London office, users often experience issues with video calls during
business hours, such as video freezing or video not being available during conferences.
The management team would like to rectify the issues which users have reported before proceeding with an implementation.
Existing Environment
The existing application environment includes the following components: - An Active Directory (AD) domain named lucepub.com with two regional subdomains named uk.lucepub.com and ch.lucepub.com. - A Microsoft Exchange 2010 organization with MS Exchange 2010 servers in Seattle and London.
The Beijing office has an Office Communications Server (OCS) 2007 R2 deployment, including Group Chat.
Each editorial office has a datacenter to support local infrastructures. The existing network infrastructure is configured as shown in the Network Topology Diagram exhibit.
The data centers connect to each other by using a Multiprotocol Label Switching (MPLS) network with wide area network (WAN) links that have the following characteristics:

Peak phone usage in the main offices is as follows:

Client computers in each office are connected to a switched 100 Mbps Power over Ethernet (PoE) port, and servers are connected to 1-Gigabyte per second (Gbps) Ethernet ports. Corporate firewalls are installed at all locations, and Quality of Service (QoS) is available globally on the network equipment.
Business Requirements
Lucerne Publishing has the following requirements to validate the POC Lync Server 2013 deployment:
- Evaluate audio call quality and confirm that the public switched telephone network (PSTN) long distance calls are not required for interoffice communication.
- Evaluate the new collaboration tools and services (including conference calls, audio and video calls, instant messaging (IM), and screen sharing) and obtain user feedback.
- Model the call flow of video conference calls for the Beijing office users who will need to continue using OCS 2007 R2 client software during the coexistence phase of the deployment.
- Estimate the effectiveness of replacing the local PSTN connections in each office with centralized session initiation protocol (SIP) trunking services (one per region: North America, Europe, and Asia).
- Ensure optimal audio quality of phone calls and conferences between all company offices.
- Support stereo audio for marketing and sales executives for internal conference calls to provide a high quality user experience.
Lucerne Publishing also requires that the following Lync 2013 components and maintenance tasks be evaluated:
- Back-end and network performance reports for business hours are generated on a daily basis. - Today's performance reports for the Seattle office and the London office are shown in the Performance Reports section. - The existing solution for monitoring network utilization between all major locations will trigger an alert if utilization becomes high.
Also, Lucerne Publishing has the following minimum requirements for the Beijing office: - Ensure that the office link is not saturated with Lync 2013 traffic, and that other
network services are not impacted by it. - Implement Call Admission Control (CAC) to ensure the quality of the connection. - Implement QoS to ensure that services other than Lync 2013 are not
compromised.
Scalability of the solution is very important to Lucerne Publishing. The company has future acquisition plans, and it must be easy to integrate new offices and sites into the existing infrastructure to provide enterprise voice, messaging, and email solutions. It should also be easy to add additional servers to the existing locations in case those location experience growth and add users.
Finally, the solution must provide high availability (HA) and disaster recovery (DR) capabilities. It must provide failover and voice resilience mechanisms in case of single server or entire pool or site failure. For branch offices, voice resilience must be increased by using Survivable Branch Appliances (SBAs) or Survivable Branch Servers (SBSs).
Technical Requirements
Lucerne Publishing will need to be able place a server offline for maintenance without impacting Enterprise Voice.
All Lync traffic should be encrypted, and integrated security of Lync devices should be used when possible.
The solution must support: - Microsoft Lync Phone Edition - Connections from the Lync app from Windows Store for Windows 8 and Windows
RT, and from Lync apps on mobile devices
- Interoperability with devices manufactured by participants in the Lync
Interoperability program
- Interoperability with Skype clients
The existing implementation of WAN/LAN/Wi-Fi and QoS must also be supported.
==========================
You need to identify the quality metrics that are responsible for the issues with video calls for users in the London office identified during Proof of Concept (POC) testing.
Which quality metric should you identify?

A. maximum round trip
B. average jitter
C. average packet loss rate
D. burst gap duration

Question #4
DRAG DROP
You need to configure the Lync Server 2013 Stress and Performance Tool to simulate public switched telephone network (PSTN) traffic.
Which four actions should you perform in sequence? (To answer, move the appropriate four actions from the list of actions to the answer area and arrange them in the correct
order.)

Question #5
Woodgrove Bank plans to implement Lync 2013 for all voice and video enterprise communications.
The bank's network topology is shown in the exhibit. (Click the Exhibit button.)

The bank wants to design a Lync Server traffic simu-lation before the production implementation.
You need to determine the locations to test the Lync Server traffic simu-lation.
Which locations should you test?

A. Main office in Boston Data centers in New York, Prague, and Beijing Ten branches in North America Five branches in Europe Ten branches in Asia
B. Main office in Boston Data centers in New York, Prague, and Beijing One branch in North America One branch in Europe One branch in Asia
C. Main office in Boston Data centers in New York, Prague, and Beijing Two branches in North America One branch in Europe Three branches in Asia
D. Main office in Boston Data center in New York All sites that have connectivity issues

Solutions: