In 3 sentences or less, here is a summary of the document: The document is a certificate of completion from the Cisco Networking Academy for a student named Alexander Shmid, which was signed by instructor Michael Keller on April 15, 2016, certifying that the student was able to proficiently understand and configure networking concepts like ACLs, DHCP, DNS, NAT, switching, routing protocols, and VLANs through the academy's course on routing and switching essentials.