25 Questions
What does OSI serve as in the context of network communication?
A reference model
In the OSI model, what is the primary function of Layer 2 (Data Link Layer)?
Error detection and framing
Which layer of the OSI model is responsible for establishing, maintaining, and terminating connections between systems?
Session Layer (Layer 5)
What is one of the key purposes of the OSI reference model in network design?
Standardizing network communication protocols
Which layer of the OSI model deals with routing, addressing, and traffic control across a network?
Network Layer (Layer 3)
What is the primary purpose of the OSI model?
To provide a framework for manufacturers to create interoperable network devices and software
Which of the following is NOT one of the seven layers of the OSI model?
Kernel
How does the OSI model help manufacturers when creating network devices and software?
It allows manufacturers to create products that are compatible with each other
What is the purpose of having multiple layers in the OSI model?
To allow for the development of specialized hardware and software components
How does the OSI model help manufacturers describe their network products?
It provides a common language for describing network hardware and software
What is the primary function of the MAC (Media Access Control) sublayer?
Interfaces with the physical layer and transmits or receives signals
The data link layer is divided into how many sublayers?
2
What is the characteristic impedance of RG-59 cable?
75 ohms
What is the characteristic impedance of RG-58 cable?
50 ohms
Which sublayer of the data link layer does NOT directly interact with the physical layer?
Logical Link Control (LLC) sublayer
Which type of cable is typically used for Cable TV applications?
RG-59
What does the abbreviation 'MAC' stand for in the context of the data link layer?
Media Access Control
What is the purpose of a repeater in a network?
To amplify and regenerate weakened signals
Which layer of the OSI model is directly below the data link layer?
Physical layer
Which type of cable is typically used for Thin Ethernet networks?
RG-58
What is the primary responsibility of the transport layer in the context of packet transmission?
Managing the flow and order of transmitted packets
If no acknowledgment is received for a transmitted packet, what action should the transport layer take?
Retransmit the unacknowledged packet
Which of the following is NOT a responsibility of the transport layer?
Determining the most efficient routing path
When a long message needs to be transmitted, what action does the transport layer take?
Repackages the message into smaller packets
What is the purpose of reassembling packets in the correct order at the receiving end?
To reconstruct the original message from the transmitted packets
Learn about the OSI model which serves as a reference for network data transmission between two points. This model consists of seven layers, each with specific functions.
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