74-338 Question #69: Real Exam Question with Answer & Explanation

You support Microsoft Lync Server 2013 servers in your customer's company network. Lync is configured as a federated partner with several business partners. The partners use Lync deployed with hosting providers. Your Lync servers are configured as an open federation. Lync users inform you that they are unable to communicate with a partner domain named fabrikam.com. You contact the partner and discover that they have recently changed their proxy server name. You need to restore communication with the federated partner. Which two cmdlets should you run? (Each correct answer presents part of the solution. Choose two.)