Data Communication and Networking
41.What does a computer network permit sharing of?
A) Resources B) Information C) Both A and B D) None of theseAnswer: C) Both A and B
42.The first operational computer network in the world was the _________ for the United States Department of Defense.
A) ARPANET B) ERNET C) SKYNET D) DARPANETAnswer: D) DARPANET
43.What does ATM stand for?
A) Automatic Taller Machine B) Automated Teller Machine C) Automatic Transfer Machine D) Automated Transfer MachineAnswer: B) Automated Teller Machine
44.Which technology connects machines and people within a site in a small area?
A) LAN B) MAN C) WAN D) None of theseLAN
45.Which network covers geographic areas larger than districts or cities?
A) LAN B) MAN C) WAN D) None of theseAnswer: B) MAN
46. Which network connects sites in diverse locations?
A) LAN B) MAN C) WAN D) None of theseAnswer: C) WAN
47. Which collection of point-to-point links may form a circle?
A) LAN B) MAN C) WAN D) Ring topologyD) Ring topology
48. What are the ISDN Internetworking Equipment devices?
A) Terminal Adapters (TAs) B) ISDN Bridges C) ISDN Routers D) All of theseAll of these
49. Are ATM networks connectionless or connection-oriented?
A) Connectionless B) Interconnected C) Connection-oriented D) None of theseAnswer: C) Connection-oriented
50.What does DHCP stand for?
A) Dynamic Host Configuration Protocol B) Digital Host Communication Provider C) Digital Host Communication Protocol D) Dynamic Host Configuration ProviderAnswer: A) Dynamic Host Configuration Protocol
51. What does a computer network permit sharing of?
A) Resources B) Information C) Both A and B D) None of theseAnswer: C) Both A and B
52. Which technology connects machines and people within a site in a small area?
A) LAN B) MAN C) WAN D) None of theseAnswer: A) LAN
53. Which network covers geographic areas that are larger, such as districts or cities?
A) LAN B) MAN C) WAN D) None of theseAnswer: B) MAN
54. Which network connects sites that are in diverse locations?
A) LAN B) MAN C) WAN D) None of theseAnswer: C) WAN
55. Which collection of point-to-point links may form a circle?
A) LAN B) MAN C) WAN D) Ring topologyAnswer: D) Ring topology
56. The ISDN Internetworking Equipment devices are:
A) Terminal Adapters (TAs) B) ISDN Bridges C) ISDN Routers D) All of theseAnswer: D) All of these
57. Which of the following primarily uses guided media?
A) Cellular telephone system B) Local telephone system C) Satellite Communications D) Radio broadcastingAnswer: B) Local telephone system
58. The amount of uncertainty in a system of symbols is called:
A) Bandwidth B) Entropy C) Loss D) QuantumAnswer: B) Entropy
59. Coaxial cable has conductors with:
A) Equal resistance B) The same diameter C) A common axis above the common axis D) None of theseAnswer: C) A common axis above the common axis
60. A device that converts digital signals into analog signals is:
A) Packet gateway B) Modem C) Repeater D) None of theseAnswer: B) Modem
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