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Computer Networks Questions and Answers

Computer Languages
29. Which device is used to access your computer by other computer or for talk over phone?
 
  • A. RAM
  • B. Modem
  • C. CD ROM Drive
  • D. Hard disk
Answer: B.
Modem
 
30. A device which can be connected to a network without using cable is called
 
  • A. Centralized device
  • B. Distributed device
  • C. Wireless device
  • D. Open-source device
Answer: C.
Wireless device
 
 
31. Frames from one LAN can be transmitted to another LAN via the device
 
  • A. Router
  • B. Bridge
  • C. Repeater
  • D. Modem
Answer: B.
Bridge
 
32. Which of the following types of channels moves data relatively slowly?
 
  • A. Wideband channel
  • B. Voiceband channel
  • C. Broadband channel
  • D. Narrowband channel
Answer: D.
Narrowband channel