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Questions and Answers
Which layer of the OSI model is the data link layer?
Which layer of the OSI model is the data link layer?
- Layer 1
- Layer 3
- Layer 4
- Layer 2 (correct)
What is the main function of the data link layer?
What is the main function of the data link layer?
- Transferring data between nodes on a network segment (correct)
- Addressing global network entities
- Routing data between networks
- Detecting errors in the physical layer
What is the scope of data-link frames?
What is the scope of data-link frames?
- They are used for global addressing
- They are limited to a single node (correct)
- They are used for inter-network routing
- They cross the boundaries of a local area network
What analogy is used to describe the role of the data link layer?
What analogy is used to describe the role of the data link layer?
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What type of errors can the data link layer detect and possibly correct?
What type of errors can the data link layer detect and possibly correct?
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Which one of the following best describes a communication protocol?
Which one of the following best describes a communication protocol?
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What does a communication protocol define?
What does a communication protocol define?
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How can communication protocols be implemented?
How can communication protocols be implemented?
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What do well-defined message formats in communication protocols ensure?
What do well-defined message formats in communication protocols ensure?
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How are communication protocols agreed upon?
How are communication protocols agreed upon?
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