27 Questions
What is the definition of data communication?
Transfer of data from one device to another via some form of transmission medium
What are the motivations for efficient data communication?
Cost, accessibility, time, size, and correctness
What are the components involved in communication?
Transmission medium, message, user, computer
What is the primary purpose of internetworks in network overview?
To facilitate connectivity between different networks
What is the term used to describe the physical or logical arrangement of devices in a network?
Topology
Which of the following organizations is responsible for creating the de facto (in practice) or de jure (in law) standards?
ISO
What type of data flow involves both directions, one at a time data flow?
Half Duplex
In a network, which topology uses a hub or a switch to connect all devices?
Star Topology
What is the term used to describe a set of rules governing data communications including syntax, semantics, and timing?
Protocol
Which type of connection involves wireless communication between devices?
Point-To-Point Connection
What is the term used to describe the physical or logical arrangement of devices in a network?
Topology
Which type of communication involves performing over the Internet?
Packet switching
What is the primary focus of ISO's OSI model?
Layered tasks
Which type of communication represents the most basic form of communication?
Direct communication
What is the underlying method for performing communication as if two network applications were directly connected?
End-to-end communication
What is the primary purpose of packet switching in computer networks?
To put data into packets stamped with source and destination addresses
In the Internet Protocol Stack, which layer is responsible for providing services to the user?
Application Layer
What is the main duty of the Transport Layer in a computer network?
Segmentation and reassembly
Which layer in the Internet Protocol Stack is responsible for the delivery of packets from the original source to the destination?
Network Layer
What does the Data Link Layer do in a computer network?
Duties related to framing and flow control
If a secretary is typing a letter, which layer of communication does this action represent in the Internet Layer Model?
Application Layer
What is the role of routers in packet switching?
Routing
During data communication between managers of two companies, which layer is responsible for logical addressing and routing?
Network Layer
What is the primary duty of the Physical Layer in a computer network?
Physical characteristics of interfaces and media
Which layer in the Internet Protocol Stack interacts directly with the user?
Application Layer
In a computer network, what are routers primarily responsible for?
Routing
Which layer of communication involves the physical transmission of individual bits from one node to the next?
Physical Layer
Test your knowledge of data communication and computer networks with this quiz, covering topics such as data communication overview, network overview, motivations for networking, and more.
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