C172 - Network and Security Foundations | 485 Questions and Answers with complete solutions

Application Layer - Interacts with application programs that incorporate a communication component such as your internet browser and email. Bus Topology - The computers share the media (coaxial cable) for data transmission. Cable Modem - A modem that can use the high bandwidth of a cable television system to deliver high-speed data to and from the service provider. CAT6 (category 6) - Twisted-pair cables capable of carrying up to 1000Mbps (1 gigabit) of data up to a length of 100 meters. Crossover - Transmit and receive signal pairs are crossed to properly align the transmit signal on one device with the receive signal on the other device. CSMA/CD - Carrier sense multiple access with collision detection is the Ethernet LAN mediaaccess method. Data Link Layer - Layer of the OSI reference model that handles error recovery, flow control (synchronization), and sequencing. Deterministic - Access to the network is provided at fixed time intervals. Ethernet, Physical, Hardware, or Adapter Address - Other names for the MAC address. Firewall Protection - Used to prevent unauthorized access to your network. Host Address - Same as host number.Host Number - The portion of the IP address that defines the location of the networking device connected to the network; also called the host address