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By @karishea

Network Models and Layers

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Questions and Answers

What is the primary function of the Physical Layer?

Transmission of analog and digital signals

Which protocol is used to correct errors in data transmission?

Selective repeat

What is the purpose of the Network Layer?

Inter-networking and addressing

Which of the following is not a type of routing?

<p>Data link</p> Signup and view all the answers

What is the function of the Data Link Layer?

<p>Error detection and correction</p> Signup and view all the answers

What is the primary purpose of coding in digital transmission?

<p>To improve the signal-to-noise ratio</p> Signup and view all the answers

Which of the following protocols is used to prevent errors in data transmission?

<p>Data link control</p> Signup and view all the answers

What is the primary function of the Presentation Layer?

<p>To format data for presentation</p> Signup and view all the answers

What is the primary difference between analog and digital signals?

<p>Analog signals are continuous, while digital signals are discrete</p> Signup and view all the answers

What is the primary purpose of inter-networks?

<p>To connect multiple networks to form a single network</p> Signup and view all the answers

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