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31. In twisted pair, wires are twisted together, which are surrounded by an insulating material and an outer layer called _________.
A. Cover
B. Disk
C. Block
D. Jacket
ANSWER:D
SOLUTION:The outer layer of twisted pair wires is called the jacket.
32. Which of the following terms is associated with networks?
A. MS-excel
B. Mouse
C. Word
D. Connectivity
ANSWER:D
SOLUTION: Computer networks connect nodes like computers, routers, and switches by using cables, fiber optics, or wireless signals.
33. Pathways that support communication among the various electronic components on the system board are called __________.
A. Processors
B. Logic paths
C. Bus lines
D. Gateway
ANSWER:C
SOLUTION: athways that support communication among the various electronic components on the system board are called bus lines.
34. Which of the following items is not used in Local Area Network(LANs)?
A. Interface card
B. Cable
C. Computer
D. Modem
ANSWER:D
SOLUTION:A modem is not typically used in Local Area Networks (LANs).
35. Which performs modulation and demodulation?
A. Modem
B. Fiber optic
C. Satellite
D. Coaxial cable
ANSWER:A
SOLUTION: A modem, or modulator-demodulator, is a computer hardware device that performs modulation and demodulation.
36. Communication mode which supports data in both directions at the same time is called ______.
A. Simplex
B. Full duplex
C. Half duplex
D. Multiplex
ANSWER: B
SOLUTION: Full-duplex is a communication mode that allows data to be transmitted in both directions simultaneously.
37. Star Topology is basically based on a central device __________
A. HUB
B. Router
C. Repeater
D. None of these
ANSWER:A
SOLUTION: Star topology is a network topology where each individual piece of a network is attached to a central node (often called a hub or switch).
38. A term that refers to the way in which the nodes of a network are linked together_________.
A. Network
B. Topology
C. Protocol
D. Inter connectivity
ANSWER:B
SOLUTION: The term for the way nodes are linked together in a network is topology.
39. The participating computers in a network are referred to as ________.
A. Clients
B. Servers
C. Nodes
D. CPUs
ANSWER: C
SOLUTION: The participating computers in a network are called nodes. Nodes can include computers, servers, printers, and other devices.