C172 Set Questions With Complete Solutions-Wgu

Application Layer (1st layer) correct answer: Interacts with application programs that incorporate a communication component such as your Internet browser and email (provides user interface) Bus Topology correct answer: The computers share the media (coaxial cable) for data transmission CAT6 (category 6) correct answer: Twisted-pair cables capable of carrying up to 1000Mbps (1 gigabit) of data up to a length of 100 meters Crossover correct answer: 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 correct answer: Carrier sense multiple access with collision detection is the Ethernet LAN media-access method (used to prevent collisions in wired Ethernet networks) Used in wireless networks for to reduce collisions. Data Link Layer (6th layer) correct answer: Layer of the OSI reference model that handles error recovery, flow control (synchronization), and sequencing (controls which terminals are sending and receiving. Media access is controlled by the Data Link Layer Deterministic correct answer: Access to the network is provided at fixed time intervals Ethernet, Physical, Hardware, or Adapter Address correct answer: Other names for MAC address Firewall Protection correct answer: Used to prevent unauthorized access to your network Host Address correct answer: Same as host number Host Number correct answer: The portion of the IP address that defines the location of the networking device connected to the network; also called the host address Hotspots correct answer: A limited geographic area that provides wireless access for the public Hub correct answer: Broadcasts the data it receives to all devices connected to its ports... it is possible for network devices to pick up a data intended for a different device... considered a multiport repeater IANA correct answer: The Internet Assigned Numbers Authority is the agency that assigns IP addresses to computer networks