Introduction to Networks

Networks

Stand-Alone Computer

A device that is not connected to a network or any other device
(a rarity with modern technology)
is known as a stand-alone computer

Multiple Choice

True or False

If you have a PC it is automatically connected to a network

• True
• False

Multiple Choice

What is the best definition of a computer network

• A computer network is a collection of random devices without any communication capabilities.
• A computer network is a system of interconnected computers and devices that can communicate and share resources.
• A computer network is a way people connect socially using apps like snapchat or instagram

• A computer network is a single computer that operates independently.

Multiple Choice

True or False

The school computers being joined together is an example of a network

• True
• Only if they are connected to the internet
• Only if they are wireless
• False

Multiple Choice

True or False

Having a two laptops at home connected to WiFi is an example of a network

• True

• Only if they are connected to the Internet

• False

• Only when they are connected by wires

Connecting Devices

• WiFi - a way of connecting devices NOT ALWAYS AN INTERNET CONNETION!

• Bluetooth

• 3G / 4G / 5G

​Wireless

• Ethernet

• Fibre Optic

Wired

Categorize

Options (8)

School Network

Home WiFi

Office Network

McDonald's WiFi

Internet

Phone Network

VPN (Virtual Private Network)

Bank ATM Network

Identify which of the following are a LAN (Local Area Network) or WAN (Wide Area Network)

LAN (Local Area Network)

WAN (Wide Area Network)

Categorize

Options (9)

Share peripherals (ie. printers

Share files

Potential security risks

Increased complexity in management

Risk of unauthorized access

Can update devices from one place

Improved communication

Increased costs

Share software (only needs installing once on a network)

Are the following advantages or disadvantages of a network?

Advantages

Disadvantages