Communications Test
** Expert-Verified Explanation
** Questions with Verified Answer
** New Edition | 2026-2027 Updated
** 100% Guaranteed Pass
** 100% Correct Answers
, Network Interconnected collection of computers and communication devices
Node Individual computer or device connected to a network
Host Computer or device connected to a network that provides services
Advantages of Networking Sharing equipment and data
Disadvantages of Networking Personnel and cost increase, vulnerabilities to cyberattacks
Local Area Network (LAN) A network that is usually confined to a single building and managed by a single
entity. Example: Office Building
Metropolitan Area Network (MAN) Consists of two or more LANs connected with private or public communication
lined within the same geographic area—for example, a computer network used
by governmental employees of an entire city.
Wide Area Network (WAN) Consists of a large number of networks and PCs connected with private and
public communication lines throughout many geographic areas; for example,
computers used by the US government.
Personal Area Network (PAN) A small network, perhaps consisting of a single computer and mobile device.
Campus Area Network (CAN) A network spread across multiple buildings in the same geographical location,
much like a college campus.
Global Area Network (GAN) Any network that spans multiple countries, for example, the Internet.
Star Topology A topology that involves running cables from each node to connect a single point.
The center is usually a device known as a hub.
Ring Topology Common network topology with devices connected in a circular loop
Bus Topology Network topology that uses a single cable or conductor to connect all nodes on
the network.
Mesh Topology A network topology where each node is connected to each of the other nodes.
The number of cable paths rapidly increases as more nodes are added.
Centralized Administration Methodology used to administer a client/server network