Computer Network Chapter 2: Logical Topology & Network Protocols

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What defines how data should be transferred?

Protocol suite

Physical topology

Logical topology (correct)

Network protocol

What is a group of inter-related protocols that perform a communication function called?

Network protocol

Physical topology

Protocol suite (correct)

Logical topology

What is the purpose of a network protocol?

To allow devices to communicate with each other (correct)

To pass error and system messages

To define the format of a message

To connect devices physically

What does a network protocol describe?

The format of a message and how error messages are passed Signup and view all the answers

What is a standard in the context of network protocols?

A process or protocol ratified by a standards organization Signup and view all the answers

What is the purpose of layering in network protocols?

To view protocols as a layered model Signup and view all the answers

What is the primary purpose of a reference model in a layered model?

To aid in clearer understanding of the functions and process involved. Signup and view all the answers

What is the OSI model an example of?

A reference model Signup and view all the answers

What is the primary purpose of a protocol model?

To provide a model that closely matches the structure of a particular protocol suite. Signup and view all the answers

What is the first step in how TCP/IP works?

Creation of data at the application layer of the originating source device. Signup and view all the answers

What does TCP/IP stand for?

Transmission Control Protocol/Internet Protocol Signup and view all the answers

What is the primary purpose of addressing in a network?

To connect and move data packets between devices Signup and view all the answers

What happens to data as it passes down the protocol stack in the source end device?

It is segmented and encapsulated. Signup and view all the answers

What happens to the packet header as it travels through the TCP/IP protocol stack?

Protocols at each layer add or remove fields from the header Signup and view all the answers

What is the process of adding data to the packet header called?

Data encapsulation Signup and view all the answers

Which layer of the TCP/IP stack is responsible for receiving data at the destination end device?

Network access layer Signup and view all the answers

What happens to the data after it reaches the destination end device?

It is passed to the application layer Signup and view all the answers

What is the sequence of events in sending data over a network?

The user's command passes through the TCP/IP protocol stack, then across the network media Signup and view all the answers

What is the primary function of Layer 3 protocols?

To move data from source to destination Signup and view all the answers

What is the address called that represents the end device at Layer 2?

Media Access Control (MAC) address Signup and view all the answers

What is the term for connecting devices to switches and routers?

Switching Signup and view all the answers

What is the purpose of a port number in Layer 4?

To represent an application or service Signup and view all the answers

What is used to identify a unique dialogue between devices in Layer 4?

A pair of Layer 4 source and destination port numbers Signup and view all the answers

What is the network identifier portion of the IP address used for?

To determine which path to use to reach the destination host Signup and view all the answers

Computer Network Chapter 2: Logical Topology & Network Protocols

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Questions and Answers

What defines how data should be transferred?

What is a group of inter-related protocols that perform a communication function called?

What is the purpose of a network protocol?

What does a network protocol describe?

What is a standard in the context of network protocols?

What is the purpose of layering in network protocols?

What is the primary purpose of a reference model in a layered model?

What is the OSI model an example of?

What is the primary purpose of a protocol model?

What is the first step in how TCP/IP works?

What does TCP/IP stand for?

What is the primary purpose of addressing in a network?

What happens to data as it passes down the protocol stack in the source end device?

What happens to the packet header as it travels through the TCP/IP protocol stack?

What is the process of adding data to the packet header called?

Which layer of the TCP/IP stack is responsible for receiving data at the destination end device?

What happens to the data after it reaches the destination end device?

What is the sequence of events in sending data over a network?

What is the primary function of Layer 3 protocols?

What is the address called that represents the end device at Layer 2?

What is the term for connecting devices to switches and routers?

What is the purpose of a port number in Layer 4?

What is used to identify a unique dialogue between devices in Layer 4?

What is the network identifier portion of the IP address used for?

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