Communications and Networks

When setting up cabled networks, they can be constructed as which TWO different network topologies?

• Ethernet

• Bus

• Star

• LAN

A set of rules that allow two devices to communicate.

• Protocol

• Peer to Peer

• Client-Server

• Encryption

• Proxies

A collection of computers / computing devices on the same network which are physically close together, for example, all located within one building or site e.g., a home or school network.

• LAN

• Protocol Layering

• DNS

• TCP/IP Stack

• Protocol

A collection of computers / computing devices on the same network which are spread out over a geographically large area, for example, a university across several campuses, or a multinational corporation with offices / sites in different cities or even different countries.

• WAN

• LAN

• Protocol Layering

• DNS

• TCP/IP Stack

A method of network organization in which network stations make use of resources available at one or more servers.

• Client-Server

• Encryption

• Proxies

• Firewall

• Circuit Switching

A method of network organization in which network stations can share resources on other network stations, so one station can use a printer on another station or save data on another station's local storage.

• Peer to Peer

• Client-Server

• Encryption

• Proxies

• Firewall

What is a Computer Network?

• Create nodes.

• Network boundary.

• A group of devices referred to as nodes connected by communication links.

• Determines the frames.

CSMA/CD stands for

• Collision Avoidance

• Collision Detection

• Carrier Sense Multiple Access

• Carrier Sense Multiple Access with Collision Detection

All computers and devices need this to be able to connect to a network

• Network Interface Card

• Switch

• Router

• Wireless Access Point

• MAC Address

Reads the destination addresses of the messages and relays the message to its intended destination

• Network Interface Card

• Switch

• Router

• Wireless Access Point

• MAC Address