Define Computer Networks, name uses of Computer Networks, and list the basic components of a Network system. Describe other pieces of hardware and software which make networks more efficient, faster, more secure, easier to use, able to transmit several simultaneous messages, and able to interconnect with other networks. Understand the basic technical concepts of Computer Networks. Be familiar with the various types of network configurations. Describe the circuits that are available for voice and data networks, their transmission speeds (bandwidth), and how they are packaged for commercial use. Understand the importance of adapting a Computer Networks offering to meet the changing and challenging networking needs of organizations. Understand how to design networks by using manual or hand calculations. Define the differences between protocols, software, and network architecture. Define the concept of local area networks and describe their use. Describe how a local area network is installed, its topologies and its protocols. Understand why networks need security and control, what errors might occur, and how to control network errors.