Computer Concepts Test

What is an IP address & how is it different from a MAC address?

Why do you need to purchase and register a domain name with your ISP?

Physical Network - different machines together through protocols (ethernet)

What is a client on a network?

What are some of the domain extensions you often see at the end of websites?

Wireless - devices all have embedded network card and sense router.

What are the Pros and Cons of being on a network?

If you were home what components would you need to connect to the internet?

MAN is metropolitan area network, network covers a large geographical area.

The difference between the WWW is a service on a network and the internet is that large network that the web is on.

LAN is a local area network, a group of computers and devices that are connected to a signal site.

An ISP (Internet Service Provider) is a company that provides access to the internet (ex: Verizon, TMobile)

What is a network?

Server Model (central serve provides services to clients that want them) vs. Peer-to-peer Model (device as client)

Net neutrality is ISPs must treat all data Im the internet the same.

What are three ways of discussing networks?

How is a MAC address different from an IP address?

WANS are wide area network, is connected by phones line etc that are availed to the public and operate internationally.

What are the 4 layers of network communitcation

A URL (Universal Resource Locator) - full web address used to access resources on the internet (HTTPs://)

Web browser allows user to get to the websites on the internet and navigate.

Application - layer software uses (HTTP)

DNS is the website name and is like a phonebook for the internet

An IP (Internet Protocol) Address shows geographical location of device

A router is responsible for transferring data from one network to another.

What are three ways of protecting network security on the outside?

What is a server?

What is a MAC address?

A switch passes data back and forth on a signal busy network and is used on client server models.

What is a network protocol?

Cloud - wireless and people can send and receive data from out of the building

Transport - begins communication through receiver and sender (TCP)

What are two ways of protecting network security from the inside?

PAN is a personal area network that consists of connected devices that are close to an individual.

Who was Tim Berners Lee and what did he invent? How was this crucial to the development of the early internet?

A modem of a router takes digital signal busy work.

Wired - plugging one computer into another or a shared source.

Interment vs. Extranet