18 Questions
What is the primary function of the data link layer in the OSI model?
To provide media access control and error detection
What is the purpose of fragmentation in the data link layer?
To divide data packets into smaller frames for transmission
What is the function of a MAC address table in the data link layer?
To monitor Layer 2 communication
What is the purpose of encapsulating Layer 3 packets into frames?
To prepare packets for transmission over a network
Why is CSMA/CD no longer necessary?
Due to the use of full-duplex capable Layer 2 switches
What is the primary advantage of using full-duplex capable Layer 2 switches?
Elimination of collisions
Which fiber-optic cable type can transmit data up to approximately 500 meters?
Multimode
What type of light source transmitter is used in Multimode fiber-optic cables?
Light Emitting Diodes (LEDs)
What is a characteristic of data transmission over a network?
Data flows in one direction at a time
What is the typical application of Single-mode fiber-optic cables?
Long-distance telephony and cable TV
What is a function of the Logical Link Control (LLC) sublayer?
Providing data link layer addressing
What is the maximum distance that Single-mode fiber-optic cables can cover?
100 km
Is Wireless LAN suitable for enterprise networks?
True
Which data link layer media access control method does Ethernet use with legacy Ethernet hubs?
CSMA/CD
Which wireless standard is best suited for industrial and IoT environments?
Zigbee
What type of physical topology can be created by connecting all Ethernet cables to a central device?
Star
Which layer of the OSI model is responsible for specifying the encapsulation method used for specific types of media?
Physical layer
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
This quiz covers the concepts of Ethernet and CSMA/CD in data communications and networking, including MAC addresses and packet fragmentation.
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