Y9 Networks Revision

_____ is a collection of computers and devices connected together.

• A network

• The Internet

• The World Wide Web

_____ is materials or substances capable of carrying one or more communication signals.

• A communications device

• Transmission media

Which is the largest network?

• WLAN

• WAN

• LAN

• PAN

Communications devices include

• modems, routers, NICs, and hub/switches

• twisted pair, coaxial, and fiber optic cables

• infrared, microwave, satellite signals

In regards to transmission media, bandwidth means _____.

• the amount of data that can travel via the media

• how long it takes data to travel via the media

Fiber optic is _____.

• dozens/hundreds of thin strands of glass or plastic that uses light to transmits signals

• insulated copper wires that are twisted together to reduce noise

• a single copper wire surrounded by three layer

What does WAN stand for?

• Wifi Accessible Network

• Wifi Addressable Network

• Wide Area Network

• Worldwide Anonymous Network

What does IP stand for?

• Internet Packet

• Internet Portable

• Internet Protocol

• Immediate Packet

What is a Router?

• a device for accessing the internet

• A device to direct cars to their destinations

• A packet of data

Which of these best describes a local area network (LAN)?

• A network that covers a small geographical area.

• A network that covers a large geographical area.

• A network connected to another network.