74-335 Real Exam Questions

Your corporate telephony environment is a combination of Lync 2013 and traditional Private Branch Exchange (PBX). Currently, the company has 2,000 users. The company expects to add an additional 2,000 users during the next year. On average, the company has 20 percent of its users on a public switched telephone network (PSTN) call at any time. Currently, users make three or more PSTN calls per hour, and it is expected that the new users will make a similar number of calls. The circuit count for light, medium, and heavy traffic is shown in the table below: You need to recommend the number of ports required by the PBXs for simulated current usage and the expected growth. How many ports should you recommend?

You need to recommend a solution to test instant messaging (IM) communications with the federated company. Which synthetic transaction should you configure?

You need to identify the current average amount of bandwidth required for public switched telephone network (PSTN) calls for all three sites. Which bandwidth should you choose?

You need to determine whether the poor quality of Lync calls is related to inadequate network bandwidth. What should you do?

Your company's corporate telephony environment is a combination of Lync 2013 and traditional Private Branch Exchange (PBX). The sites are connected by a Multiprotocol Label Switching (MPLS) topology. There are 6,500 users enabled for Lync 2013 video conferencing. Only RTVideo is being used for video conferencing. On average, 12 percent of users are on a video conference at any one time. The company plans to add additional bandwidth for all sites. The company is concerned about the quality of video conferences. As part of a bandwidth upgrade process, you model real-time transport protocol (RTP) media call flows for video communications that use only RTVideo. You have determined the average number of video conferences and estimated the bandwidth required for the video portion. You need to identify the additional bandwidth requirements when modeling real-time transport control protocol (RTCP). Which bandwidth option should you choose?