Chapter 1: Introduction to Computer Networks and revision practice with the correct and ve | Exams Computer Science | Docsity (2024)

Download Chapter 1: Introduction to Computer Networks and revision practice with the correct and ve and more Exams Computer Science in PDF only on Docsity! Chapter 1: Introduction to Computer Networks and revision practice with the correct and verified answers  Application Layer - Correct Answers Interacts with application programs that incorporate a communication component such as your internet browser and email.  Bus Topology - Correct Answers The computers share the media (coaxial cable) for data transmission.  Cable Modem - Correct Answers a modem that can use the high bandwidth of a cable television system to deliver high-speed data from the service provider.  CAT6 (Category 6) - Correct Answers Twisted-pair cables capable of carrying up to 1000 Mbps (1 gigabit) of data up to a length of 100 meters.  Crossover - Correct Answers 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 Answers Carrier sense multiple access with collision detection is the Ethernet LAN media-accessed method.  Data Link Layer - Correct Answers Layer of the OSI model reference model that handles error recovery, flow control (synchronization), and sequencing.  Deterministic - Correct Answers Access to the network is provided at fixed time intervals.  Ethernet, Physical, Hardware, or Adapter Address - Correct Answers other names for the MAC address.  Firewall Protection - Correct Answers Used to prevent unauthorized access to your network.  Host Address - Correct Answers same as host number.  Host Number - Correct Answers 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 Answers a limited geographical area that provides a wireless access for the public.  Hub - Correct Answers Broadcasts the data it receives to all devices connected to its ports.  IANA - Correct Answers the Internet Assigned Numbers Authority is the agency that assigns IP addresses to computer networks.  ICMP - Correct Answers Internet Control Message Protocol.  IEEE - Correct Answers Institute of Electrical and Electronics Engineers, one of the major standard-setting bodies of technology development.  Intranet - Correct Answers an internal network that provides file and resource sharing but is not accessed from the internet.  IP Address - Correct Answers Unique 32-bit address that identifies on which network the computer is located as well as differentiates the computer from all other devices on the same network.  IP Internetwork - Correct Answers a network that uses IP addressing for identifying devices connected to the network.  Ipconfig/all - Correct Answers Enables the MAC address information to be displayed from the command prompt.  ISP - Correct Answers Internet Service Provider.  Link Integrity Test - Correct Answers Protocol used to verify that a communication link between two Ethernet devices has been established.  Link Light - Correct Answers Indicates that the transmit and receive pairs are properly aligned.  Link Pulses - Correct Answers Sent by each of the connected devices via the twisted-pair cables when data is not being transmitted to indicate that the link is still up.  Local Area Network (LAN) - Correct Answers Network of users that share computer resources in a limited area.