Packet Switching in Computer Networks
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Questions and Answers

What is an advantage of packet switching mentioned in the text?

  • Lower cost due to the need for less secondary storage (correct)
  • Higher delay characteristics due to long messages in queues
  • Inability to reroute packets in case of problems
  • High resource consumption on carrier path

How does packet switching enhance line efficiency according to the text?

  • By rerouting packets randomly
  • By storing long messages in queues
  • By multiplexing packets from multiple applications (correct)
  • By increasing resource consumption on carrier paths

What does packet switching enable users to do based on the information provided?

  • Reroute packets randomly
  • Differentiate data streams based on priorities (correct)
  • Consume more resources on internal memory of switches
  • Store long messages in queues

Why is it easier for intermediate networking devices to handle small size packets as mentioned in the text?

<p>Small packets take up less space in internal memory of switches (C)</p> Signup and view all the answers

What is a disadvantage of circuit switching mentioned in the text?

<p>Possible long wait to establish a connection (D)</p> Signup and view all the answers

In message switching, what happens if the next hop does not have enough resources to accommodate a large size message?

<p>The switch stores the message and waits for resources (C)</p> Signup and view all the answers

Which switching technique treats the whole message as a data unit and transfers it in its entirety?

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

Why is circuit switching considered more expensive compared to other techniques?

<p>It requires dedicated paths for each connection (C)</p> Signup and view all the answers

What is the process of forwarding packets from one port to a port leading towards the destination called?

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

Which term refers to the point when data enters a port?

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

In which type of switching is a preestablished circuit needed before forwarding data to the destination?

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

Which category of switching does not require prior handshaking or acknowledgements?

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

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