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MCQs

Total Questions : 885 | Page 60 of 89 pages
Question 591. The IEEE 802 project of the 1980s involved further defining the lower two layers of the OSI model. A number of standards were agreed upon during that time. Which of the following is the standard for Ethernet?
  1.    802.4
  2.    802.3
  3.    802.6
  4.    802.2
  5.    802.5
 Discuss Question
Answer: Option B. -> 802.3
Question 592. Which of the following transmission systems provides the highest data rate to an individual device
  1.    leased lines
  2.    Telephone lines
  3.    Voice band modem
  4.    None of these
  5.    Computer bus
 Discuss Question
Answer: Option E. -> Computer bus
Question 593. Which of the following digits are known as the terminal number of the Network User Address (NUA)?
  1.    13-14
  2.    05-Jul
  3.    None of these
  4.    08-Dec
  5.    01-Apr
 Discuss Question
Answer: Option D. -> 08-Dec
Question 594. Which of the following connectivity devices is used to extend a network on a purely mechanical basis?
  1.    802.6
  2.    Switch
  3.    Active hub
  4.    Gateway
  5.    Router
 Discuss Question
Answer: Option C. -> Active hub
Question 595. Which of the following device is used with an X.25 network to provide service to asynchronous terminals
  1.    Packet assembler/disassemble
  2.    bridges
  3.    gateway
  4.    None of these
  5.    repeater
 Discuss Question
Answer: Option A. -> Packet assembler/disassemble
Question 596. Networks where end user workstations are tied to LAN servers to share resources and application processing.
  1.    Information super highway
  2.    Internetworked enterprise
  3.    Business applications of telecommunications
  4.    Client/Server networks
 Discuss Question
Answer: Option D. -> Client/Server networks
Question 597. Which of the following TCP/IP protocol is used for remote terminal connection service?
  1.    UDP
  2.    FTP
  3.    None of these
  4.    TELNET
  5.    RARP
 Discuss Question
Answer: Option D. -> TELNET
Question 598. A medium access control technique for multiple access transmission media is
  1.    Amplitude
  2.    Aloha
  3.    None of these
  4.    Angle modulation
  5.    Attenuation
 Discuss Question
Answer: Option B. -> Aloha
Question 599. The core diameter of a single-mode fibers is about
  1.    3 times the wavelength of the light carried in the fiber
  2.    10 times the wavelength of the light carried in the fiber
  3.    None of these
  4.    7 times the light carried in the fiber
  5.    10 times the fiber radius
 Discuss Question
Answer: Option B. -> 10 times the wavelength of the light carried in the fiber
Question 600. The frequency range : 300 kHz to 3 MHz is used for
  1.    AM radio transmission
  2.    microwave communications, satellite and radar
  3.    TV transmission
  4.    FM radio transmission
  5.    None of these
 Discuss Question
Answer: Option A. -> AM radio transmission

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