The 350-801 CLCOR exam evaluates the technical proficiency of Collaboration Engineers in deploying, configuring, and troubleshooting enterprise communication infrastructures. Candidates must demonstrate expertise in implementing Cisco Unified Communications Manager, Cisco IOS XE gateway configurations, and QoS policies across converged networks. The curriculum mandates deep knowledge of SIP, H.323, and MGCP signaling protocols alongside media resource management and call control routing. Proficiency extends to cloud and hybrid integrations using Webex, Jabber, and Cisco Unity Connection. Furthermore, students must master API-based programmability for automated collaboration workflows, security hardened endpoint provisioning, and comprehensive diagnostic procedures to ensure high availability across voice, video, and messaging services.