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Microsoft Network Readiness and Assessment for Lync Sample Questions:

1. You have been hired to perform a network readiness assessment for Northwind Traders.
During the discovery phase, you collect the following data:
- Northwind Traders users' firewall policy restricts access between business units. Due to compliance restrictions, this policy cannot be modified in any way. - Users often connect to the company's network through a virtual private network (VPN) from home. Split tunnels are enforced for non-work traffic. - A hardware load balancer is available on the subnet. The company plans to add Lync server to the subnet. - The company currently uses Quality of Service (QoS) marking 40 for voice traffic.
You need to identify possible problem areas and provide a recommendation. What should you do?

A) Inform Northwind Traders of the different methods that Lync uses to connect media.
B) Recommend that Northwind Traders disregard the load balancer because Lync uses Domain Name System (DNS) load balancing only.
C) Suggest that Northwind Traders change the Differentiated Services Code Point (DSCP) value to 48 for Lync traffic.
D) Recommend that Northwind Traders open ports between user subnets for voice and video to function.

2. HOTSPOT
You analyze the results of Lync traffic modeling for a customer's network. The relevant portion of the network topology diagram is shown in the answer area.
The estimated links workload is shown in the following table:

The customer wants to build a highly available Lync infrastructure.
You need to determine which link must be updated to support the customer's requirements.
Which link should you update? (To answer, select the appropriate link in the network
topology diagram.)

3. You need to recommend a solution to meet the planned changes for remote users.
Which two actions should you recommend? (Each correct answer presents part of the solution. Choose two.)

A) Configure internal Domain Name System (DNS) to point to the external IPv4 address for Lync Edge Services.
B) Configure Direct Access to send Domain Name System (DNS) queries for the access, webconf, av, _sip._tls, and meeting URLs and all other Lync services to external DNS.
C) Limit service to selected IP addresses in the Topology Builder.
D) Configure Direct Access on CHI-Edge1.

4. Your company corporate telephony environment is a combination of Lync 2013 and traditional Private Branch Exchange (PBX). The company has three sites that are connected by a Multiprotocol Label Switching (MPLS) topology. There are 1,250 users who are using Lync 2013 and 2,250 users who are using the PBX environment. On average, the company has 3 percent of its users dialing in for conferences and 6 percent on a public switched telephone network (PSTN) call at any time.
The company plans to remove the PBXs and have all users use only Lync 2013.
You need to generate a usage model based on the existing data usage and real-time communications through all of the PBXs.
Which two pieces of information should you collect when you performing usage modeling? (Each correct answer presents part of the solution. Choose two.)

A) number of peer-to-peer (P2P) calls over the MPLS network
B) number of PSTN channels provisioned
C) number of calls that use G.722
D) number of intersite calls through PSTN
E) number of calls that use RTAudio Wideband

5. You need to run a Lync traffic simul-ation for the Dallas office.
What should you do first?

A) Failover the office to a backup wide area network (WAN) link.
B) Implement Quality of Service (QoS) policies.
C) Determine whether sufficient bandwidth is available.
D) Install Power over Ethernet (PoE) phones in the office.

Solutions: