30 Questions
Which layer of the OSI model is responsible for segmentation, flow control, and error control?
Layer 4: Transport Layer
Which layer of the OSI model is responsible for breaking a large data into smaller packets?
Layer 4: Transport Layer
Which layer of the OSI model is responsible for ensuring that all packets have been received and eliminating duplicate packets?
Layer 4: Transport Layer
Which layer of the OSI model is responsible for performing flow control to ensure that no computer is overwhelmed by the number of messages it receives?
Layer 4: Transport Layer
Which transport layer protocol is connection-oriented and provides feedback for retransmitting lost data?
Transmission Control Protocol (TCP)
Which transport layer protocol is faster because it does not provide any feedback for lost data?
User Datagram Protocol (UDP)
Which layer of the OSI model is responsible for controlling how data is placed and received from the media?
Layer 2: Data Link Layer
Which technique is used to get the data frame on and off the media?
Media Access Control
What happens when two or more devices connected to the same media send data simultaneously?
The data packets collide
What is the purpose of the Frame check sequence (FCS) in a frame?
To check for errors in the received frame
Which layer of the OSI model is responsible for breaking long messages into smaller ones for easier transmission?
Layer 4: Transport Layer
What is the role of the Application Layer in the Internet Model?
To establish end-to-end connections
Which of the following is a disadvantage of using layers in a network model?
Increased processing power needed in computers
What is the purpose of encapsulation in a layered network model?
To simplify the development of new software
What is the role of standards in data communication networks?
To ensure compatibility between hardware and software
Why is it important for each layer in one computer to communicate with its matching layer in the other computer?
To ensure compatibility between hardware and software
What is the term used to describe the set of software used to understand different protocols in a layered network model?
Protocol stack
What is the advantage of using a layered network model in data communication networks?
Easy development of new software
Which layer of the OSI model is responsible for logical addressing, routing, and path determination?
Layer 3: Network Layer
What is the purpose of the Data Link Layer in the OSI model?
To transfer data between computers via a local media
Which protocol is commonly used by Layer 3 devices to determine the best possible path for data delivery?
All of the above
What type of address is assigned to each segment in the Network Layer to form a data packet?
IP address
What is the purpose of the Media Access Control (MAC) in the Data Link Layer?
To control how data is placed and received from the media
What is the role of the Data Link Layer in transferring data between two distant hosts connected to different networks?
To encapsulate IP packets into frames
Which layer of the OSI model is responsible for breaking long messages into smaller ones for easier transmission?
Transport Layer
What is the purpose of the Frame check sequence (FCS) in a frame?
To check for errors
Which transport layer protocol is connection-oriented and provides feedback for retransmitting lost data?
TCP
Which layer of the OSI model is responsible for logical addressing, routing, and path determination?
Network Layer
What is the purpose of the Media Access Control (MAC) in the Data Link Layer?
To instruct physical hardware to transmit the frame
What is the role of the Data Link Layer in transferring data between two distant hosts connected to different networks?
To format the message and add error check information
Test your knowledge of the OSI model layers and transport layer protocols by answering questions about segmentation, flow control, error control, data packetization, packet reception, duplicate packet elimination, and connection-oriented vs connectionless protocols.
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