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Data Communications and Networking: Ethernet and CSMA/CD

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Data Communications and Networking: Ethernet and CSMA/CD

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Questions and Answers

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

To route packets between networks

To convert data into a format suitable for transmission

To manage communication sessions between applications

To provide media access control and error detection (correct)

What is the purpose of fragmentation in the data link layer?

To route packets between networks

To convert data into a format suitable for transmission

To reassemble packets at the receiving end

To divide data packets into smaller frames for transmission (correct)

What is the function of a MAC address table in the data link layer?

To provide error detection and correction

To route packets between networks

To manage communication sessions between applications

To monitor Layer 2 communication (correct)

What is the purpose of encapsulating Layer 3 packets into frames?

To prepare packets for transmission over a network Signup and view all the answers

Why is CSMA/CD no longer necessary?

Due to the use of full-duplex capable Layer 2 switches Signup and view all the answers

What is the primary advantage of using full-duplex capable Layer 2 switches?

Elimination of collisions Signup and view all the answers

Which fiber-optic cable type can transmit data up to approximately 500 meters?

Multimode Signup and view all the answers

What type of light source transmitter is used in Multimode fiber-optic cables?

Light Emitting Diodes (LEDs) Signup and view all the answers

What is a characteristic of data transmission over a network?

Data flows in one direction at a time Signup and view all the answers

What is the typical application of Single-mode fiber-optic cables?

Long-distance telephony and cable TV Signup and view all the answers

What is a function of the Logical Link Control (LLC) sublayer?

Providing data link layer addressing Signup and view all the answers

What is the maximum distance that Single-mode fiber-optic cables can cover?

100 km Signup and view all the answers

Is Wireless LAN suitable for enterprise networks?

True Signup and view all the answers

Which data link layer media access control method does Ethernet use with legacy Ethernet hubs?

CSMA/CD Signup and view all the answers

Which wireless standard is best suited for industrial and IoT environments?

Zigbee Signup and view all the answers

What type of physical topology can be created by connecting all Ethernet cables to a central device?

Star Signup and view all the answers

Which layer of the OSI model is responsible for specifying the encapsulation method used for specific types of media?

Physical layer Signup and view all the answers

What are two services performed by the data link layer of the OSI model?

It accepts segments and packages them into data units and provides data link layer addressing Signup and view all the answers

Data Communications and Networking: Ethernet and CSMA/CD

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Podcast

Questions and Answers

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

What is the purpose of fragmentation in the data link layer?

What is the function of a MAC address table in the data link layer?

What is the purpose of encapsulating Layer 3 packets into frames?

Why is CSMA/CD no longer necessary?

What is the primary advantage of using full-duplex capable Layer 2 switches?

Which fiber-optic cable type can transmit data up to approximately 500 meters?

What type of light source transmitter is used in Multimode fiber-optic cables?

What is a characteristic of data transmission over a network?

What is the typical application of Single-mode fiber-optic cables?

What is a function of the Logical Link Control (LLC) sublayer?

What is the maximum distance that Single-mode fiber-optic cables can cover?

Is Wireless LAN suitable for enterprise networks?

Which data link layer media access control method does Ethernet use with legacy Ethernet hubs?

Which wireless standard is best suited for industrial and IoT environments?

What type of physical topology can be created by connecting all Ethernet cables to a central device?

Which layer of the OSI model is responsible for specifying the encapsulation method used for specific types of media?

What are two services performed by the data link layer of the OSI model?

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