74-338 Question #86: Real Exam Question with Answer & Explanation

You support Microsoft Lync Server 2013 servers in your customer's network. The network includes two branches connected with a 10Mbps network circuit. The circuit has 2 Mbps of dedicated bandwidth for Lync voice traffic. RT Audio WB codec with 50 simultaneous calls is used. Users report that calls between the branches are being dropped, and voice quality is degraded. You need to calculate a bandwidth for the RT Audio WB codec. What minimum required dedicated bandwidth should you allocate?