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Data Communication MCQs with Answers

Practice important Data Communication MCQs with answers and explanations.

Multiple Choice Questions

Q2901: What happens to CSMA/CD in 10-Gigabit Ethernet?
  • A: Still used
  • B: Used in emergencies
  • C: Replaced by token passing
  • D: Eliminated completely
View Answer
D

Q2902: What is the purpose of an Access Network?
  • A: To connect LANs to another LAN
  • B: To connect LANs to an ISP
  • C: To connect computers wirelessly
  • D: To connect to satellites
View Answer
B

Q2903: Which type of network is typically used to transfer data over long distances?
  • A: Access Network
  • B: Local Area Network
  • C: Wide Area Network
  • D: Private Network
View Answer
C

Q2904: Fill in the blank: ______ networks are used to transfer data over long distances.
  • A: Local
  • B: Personal
  • C: Wide area
  • D: Satellite
View Answer
C

Q2905: When did the telephone network originate?
  • A: Late 1700s
  • B: Early 1900s
  • C: Late 1800s
  • D: 1970s
View Answer
C

Q2906: The original telephone system was known as:
  • A: PANS
  • B: POTS
  • C: IP-Phone
  • D: VoIP
View Answer
B

Q2907: What type of signal did the original POTS use?
  • A: Digital signals only
  • B: Optical signals
  • C: Analog signals
  • D: Data packets
View Answer
C

Q2908: Fill in the blank: The Plain Old Telephone System (POTS) was originally an ______ system.
  • A: analog
  • B: digital
  • C: wireless
  • D: hybrid
View Answer
A

Q2909: In which decade did the telephone network begin to carry data in addition to voice?
  • A: 1970s
  • B: 1980s
  • C: 1990s
  • D: 2000s
View Answer
B

Q2910: What are the two forms of the modern telephone network?
  • A: Analog and wireless
  • B: Analog and optical
  • C: Digital and analog
  • D: Digital and wireless
View Answer
C

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