Unit 2: Networking Concepts and Models

Front

What is real-time bit streaming?

Back

A system where an event is captured by a camera and microphone connected to a computer, sent to a server, and accessed by users live.

Front

What does CSMA/CD stand for?

Back

Carrier Sense Multiple Access with Collision Detection, a method used to detect and resolve collisions.

Front

A system that allows users to stream video or music files from a central server as needed without saving them on their device.

Back

What is on-demand bit streaming?

Front

Define collision in networking.

Back

A situation where two messages/data from different sources try to transmit along the same data channel.

Front

What was ARPAnet?

Back

An early form of packet switching WAN connecting large computers in the Department of Defense, which developed the technical platform for the internet.

Front

What is a LAN?

Back

Local Area Network, a small network usually inside one building connecting computers and shared devices.

Front

Wide Area Network, consisting of multiple LANs connected via public communications networks, covering large geographical areas.

Back

What is a WAN?

Front

Metropolitan Area Network, larger than a LAN, connecting small networks within a city.

Back

What is a MAN?

Front

List some benefits of networking computers.

Back

Shared devices, cheaper software licenses, file sharing, reliable data access, central backups, communication, and network management.

Front

List some drawbacks of networking computers.

Back

Expensive cabling and servers, complex management, network-wide breakdowns, and vulnerability to malware and hacking.