Data Link Protocols Quiz
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Questions and Answers

What is the purpose of the flag field in a HDLC frame?

  • To contain the address of the receiver
  • To carry the data from the network layer
  • To contain flow and error control information
  • To mark the beginning and the end of the frame (correct)

What type of communications is HDLC applicable for?

  • Both point-to-point and multipoint (correct)
  • Neither point-to-point nor multipoint
  • Only multipoint
  • Only point-to-point

What is the minimum size of the address field in a HDLC frame?

  • 8 bytes
  • 1 byte (correct)
  • 4 bytes
  • 2 bytes

What is the purpose of the FCS field in a HDLC frame?

<p>To detect errors in the frame (C)</p> Signup and view all the answers

How many fields can a HDLC frame contain?

<p>6 (B)</p> Signup and view all the answers

What is the orientation of the HDLC protocol?

<p>Bit-oriented (D)</p> Signup and view all the answers

What is the primary function of ARP in a network?

<p>To map IP addresses to MAC addresses (B)</p> Signup and view all the answers

Which type of channel partitioning allocates a specific time slot to each node for transmission?

<p>TDMA (D)</p> Signup and view all the answers

What is the purpose of a CRC field in a data transmission protocol?

<p>To detect errors in data transmission (D)</p> Signup and view all the answers

Which protocol is used to carry network data of any network layer protocol at the same time?

<p>PPP (C)</p> Signup and view all the answers

What is the primary characteristic of a Random Access protocol?

<p>Nodes contend for access to the channel (D)</p> Signup and view all the answers

Which protocol is used to limit the amount of data sent between the sender and receiver?

<p>SPN (D)</p> Signup and view all the answers

What is a characteristic of TDMA in digital cellular telephone and mobile radio communication?

<p>Unused slots go idle (D)</p> Signup and view all the answers

What happens when two or more transmitting nodes send in the same time in Random Access protocols?

<p>There is a chance of collision (C)</p> Signup and view all the answers

Which MAC protocol is typically used with 'dumb' slave devices?

<p>Polling (D)</p> Signup and view all the answers

What is a method of 'recovery' in CSMA/CD protocol?

<p>Transmission is retried after a collision (C)</p> Signup and view all the answers

What is a characteristic of FDMA?

<p>Channel spectrum divided into frequency bands (C)</p> Signup and view all the answers

What is the purpose of Token Passing in MAC protocols?

<p>To allow nodes to take turns in transmitting (A)</p> Signup and view all the answers

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