Instructor's signature Learning Certificate This document confirms that the user: Nilger Villamizar has completed the contents of the Windows 7 Implementation course

Instructor Signature CCNA Switching & Routing: Introduction to Networks During the Cisco Networking Academy® course administered by the undersigned instructor, the student was able to develop the following aspects: Certificate of completion of the course • Understand and describe the devices and services used to support communications in data networks and on the Internet. • Explain fundamental Ethernet concepts such as media, services, and operations. • Understand and describe l

CCNA Routing and Switching: Basic principles of routing and switching During the Cisco Networking Academy® course, taught by the undersigned instructor, the student managed to develop the following aspects: Course completion certificate  Determine how a router redirects traffic according to the content of a routing table.  Explain how switching works in a small or medium-sized business network.  Use supervision tools and protocol