Introduction to Network Protocols and Models

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Questions and Answers

What is the primary function of flow control in message timing?

  • Determining when a device can send a message
  • Establishing a recovery method after a collision
  • Preventing collisions between devices
  • Managing the rate of data transmission (correct)

What is the purpose of response timeout in message timing?

  • Preventing data corruption during transmission
  • Defining the speed of data transmission
  • Managing access to the network
  • Determining how long a device waits for a reply (correct)

What is the primary benefit of proactive protocols in collision prevention?

  • Reducing the impact of collisions
  • Increasing the speed of data transmission
  • Quick recovery from collisions
  • Preventing collisions from occurring (correct)

What is the key difference between unicast and multicast message delivery?

<p>Number of recipients (C)</p> Signup and view all the answers

Why are broadcasts not used in IPv6 networks?

<p>They are not supported by the protocol (B)</p> Signup and view all the answers

What is the purpose of access methods in message timing?

<p>Determining when a device can send a message (B)</p> Signup and view all the answers

What is the primary reason devices need to agree on how to communicate in a network?

<p>To establish a common language for communication (B)</p> Signup and view all the answers

What are the three essential elements required for any communication to occur?

<p>Source, destination, and channel (C)</p> Signup and view all the answers

What is the purpose of protocols in communication?

<p>To govern the communication and ensure it follows established rules (C)</p> Signup and view all the answers

What happens when individuals do not use established rules or agreements to govern the conversation?

<p>The conversation is unclear and difficult to read (D)</p> Signup and view all the answers

What is the main reason why protocols are necessary in communication?

<p>To ensure communication follows established rules (D)</p> Signup and view all the answers

Why do devices need to agree on the 'how' of communication?

<p>To ensure the devices understand each other (C)</p> Signup and view all the answers

What is the primary benefit of a layered model in protocol design?

<p>It provides a defined interface to the layers above and below (C)</p> Signup and view all the answers

What is the advantage of a layered model in terms of technology changes?

<p>It prevents technology changes in one layer from affecting other layers (B)</p> Signup and view all the answers

What is the benefit of a layered model in terms of vendor compatibility?

<p>It fosters competition because products from different vendors can work together (D)</p> Signup and view all the answers

What is the main advantage of using a layered model to explain network operations?

<p>It helps in explaining complex network operations in a simpler way (C)</p> Signup and view all the answers

What is the benefit of a layered model in terms of network functionality?

<p>It provides a common language to describe networking functions (A)</p> Signup and view all the answers

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