Computer Networks Fundamentals

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What is the size of an IPv4 address in bits?

32 bits

What is the purpose of sequencing messages in network communication?

To reassemble the message at the destination

What type of communication mode allows data transmission in two directions, but not simultaneously?

Half-duplex

What is the process of converting a stream of bits into a format recognizable by the next device in the network path?

Encoding Signup and view all the answers

What is the minimum size of an Ethernet frame in bytes?

64 bytes Signup and view all the answers

What is the purpose of message encapsulation in network communication?

To put one message format inside another message format Signup and view all the answers

What is the function of the transport layer in the OSI model?

End-to-end error recovery and flow control, connection control, segmentation/reassembling of data, acknowledgement, detection and correction of errors, and identifying applications ports. Signup and view all the answers

What type of addressing is used in the network layer of the OSI model?

Logical addressing (IP Addressing). Signup and view all the answers

What is the function of the physical layer in the OSI model?

Specifies details of how data is physically sent through the network, including how bits are electrically signaled. Signup and view all the answers

What is the purpose of the presentation layer in the OSI model?

Formats and encrypts data to be sent across a network. Signup and view all the answers

What is the function of the session layer in the OSI model?

Coordinates and terminates conversations and dialogues, including dialog control, opening and closing sessions, and reporting of problems. Signup and view all the answers

Which protocol is used for file transfers in the application layer of the OSI model?

FTP. Signup and view all the answers

What is the primary function of the Media Access Control (MAC) layer in the Data Link Layer?

Controlling how a computer on the network gains access and permission to transmit Signup and view all the answers

What is the purpose of error detection and correction in the Data Link Layer?

To detect and correct errors in data transmission Signup and view all the answers

What is the role of the Network Layer in routing packets?

Routing packets over the best path/route Signup and view all the answers

What type of addressing is used in the Network Layer?

Logical addressing (IP Addressing) Signup and view all the answers

What is the purpose of fragmentation of data segments into packets?

To allow data to be transmitted efficiently over the network Signup and view all the answers

What is the function of the Physical Layer in the OSI model?

Specifying details of how data is physically sent through the network Signup and view all the answers