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Microsoft Network Readiness and Assessment for Lync Sample Questions:

1. Topic 6, Mix Questions
You prepare to 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 for Seattle to Hong Kong 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 average delay is beyond acceptable levels. Users might experience poor call quality.
B) The packet loss is above 0.5%. Audio quality will be greatly reduced.
C) The percentage of WAN BW for RTC Traffic is greater than 100%, and users will experience poor calls due to limited bandwidth.
D) The network performance tests indicate the link is ready for voice.

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

A) Enable Jumbo Frames on all network switches.
B) Calculate the current volume of Lync traffic in Litware, and then confirm that volume of Lync traffic does not exceed 50 percent of wide area network (WAN) bandwidth.
C) Calculate the current volume of Lync traffic in Contoso, and then confirm that the volume of Lync traffic does not exceed 25 percent of wide area network (WAN) bandwidth.
D) Disable Quality of Service (QoS) support on all network switches.

3. You need to recommend a solution that will improve voice quality for Lync clients.
What should you recommend?

A) Configure an Audio and Video Quality of Service (QoS) to use a DSCP value of 40 and a port range of 57501:65535.
B) Configure a Domain Group Policy object (GPO) configuring Quality of Service (QoS) and set it to Enforced for all Windows XP SP3 and Windows Vista clients.
C) Ensure that VoiceDiffservtag values are set to 46 for all Lync Phone Edition devices at all sites.
D) Change the Voice8021p value to 46.

4. You need to identify the metric that is causing poor quality in Lync calls by analyzing the user activity report collected by the help desk department.
Which metric should you choose?

A) round trip
B) packet loss
C) jitter
D) burst gap duration

5. HOTSPOT
You analyze the results of Lync traffic modeling by using the Lync Bandwidth Calculator. The relevant portion of the network topology is shown in the exhibit. (Click the Exhibit button.)

You need to calculate the volume of audio and video conferencing traffic through the Toronto office Multiprotocol Label Switching (MPLS) link.
Which cell or cells in the Lync Bandwidth Calculator should you select to perform this calculation? (To answer, select the appropriate cell or cells in the Lync Bandwidth Calculator.)

Solutions: