Computer Concepts Test

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

What are the 4 layers of network communitcation

Application - layer software uses (HTTP)

What is a network protocol?

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

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

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

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

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

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

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

What is a network?

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

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

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

What are three ways of discussing networks?

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

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

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

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

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

Transport - begins communication through receiver and sender (TCP)

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

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

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

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

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

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

Interment vs. Extranet

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

A modem of a router takes digital signal busy work.

What is a MAC address?

Physical Network - different machines together through protocols (ethernet)

What is a server?

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

What is a client on a network?

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

How is a MAC address different from an IP address?