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Computer Networks - Computer Networks Section 4

Avatto > > GATE COMPUTER SCIENCE > > Practice Questions > > Computer Science And Information Technology > > Computer Networks > > Computer Networks Section 4

6. Which of the following ISO level is more closely related to the physical communications facilities?

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7. Which model shows how the network functions of a computer ought to be organized ?

  • Option : B
  • Explanation : Open system interconnection model shows the network function of a computer developed by international standards organization.
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8. Data link layer retransmits the damaged frames in most networks. If probability of a frame's being damaged is p, then what is the mean number of transmissions required to send a frame if acknowledgements are never lost ?

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9. Which of the following is a wrong example of network layer ?

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10. IEEE Project 802 divides the data link layer into which upper sublayer and which lower sublayer ?

  • Option : A
  • Explanation : IEEE project 802 divides the data link layer into two sub layer logical link control (LLC) and Medium access control (MAC).
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Computer Networks Section 4