OSI Model: Physical Layer and Data Link Layer
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OSI Model: Physical Layer and Data Link Layer

Test your knowledge on the physical layer and data link layer, which are closely tied in the OSI model. Understand the functions and interactions of these layers for data transmission in a network.

Created by
@GutsySphinx

Questions and Answers

What is the function of the data link layer in the OSI model?

Prepare data for transmission and control how the data accesses the physical media

What is the primary responsibility of the physical layer in a data network?

Encoding the binary digits that represent data into signals for transmission

Which types of connections are mentioned in the text?

Wired and wireless connections

What do Network Interface Cards (NICs) do?

<p>Connect a device to the network</p> Signup and view all the answers

In the TCP/IP model, which two layers are closely tied according to the text?

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

What do switch devices and wireless access points have in common according to the text?

<p>They are often two separate dedicated devices within a network implementation</p> Signup and view all the answers

Which type of NIC would a network printer most likely have?

<p>Ethernet NIC</p> Signup and view all the answers

What happens at the Physical Layer of the OSI model?

<p>It encodes a complete frame from the data link layer and transmits it.</p> Signup and view all the answers

How are digital signals represented?

<p>Discrete in nature, representing sequence of voltage pulses.</p> Signup and view all the answers

What is one reason for signal deterioration as it travels through the medium?

<p>Attenuation</p> Signup and view all the answers

When data is sent over physical medium, what does it need to be converted into?

<p>Electromagnetic signals</p> Signup and view all the answers

What layer segments user data and places it into packets?

<p>Transport Layer</p> Signup and view all the answers

Which layer encodes frames and creates the electrical, optical, or radio wave signals that represent the bits in each frame?

<p>Physical Layer</p> Signup and view all the answers

What happens to signals as they travel through the media?

<p>They deteriorate due to attenuation, dispersion, and delay distortions.</p> Signup and view all the answers

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