Module 2.1 Flashcards
Explain what a LAN is and give a suitable answer.
A Local Area Network (LAN) is a network that connects devices in a small area.
a) Briefly explain what a intranet is.
An intranet is an orginisations private network with web pagers relating to the organisations business
b) Would learners from other schools be able to access the internet from home?
No, the information stored on an intranet is only available to the organisations employees or workers.
c) give a possible use of an intranet for the CAT department.
It could be used for publishing documents such as exam papers, past papers etc.
Name two other hardware devices that one might find connected to a network besides computers.
Smartphones
Tablets
The main goal of a network is sharing. Give the three broad types of resources that network allows one to share.
Hardware
Software
Data/information
Explain what a workstation is in context of a LAN.
A workstation is a computer linked in a network
a) What is the general purpose of any server in network?
A server provides shared resources to network users
b) give two typical hardware specifications that make a server more powerful than an ordinary computer.
more memory
Larger hard drive
c) What is the function of a file server?
Used to share files
d) give two advantages that a file server presents for network users
Access files from any computer
They dont have to worry about backing up files
e) Briefly describe the main function of a proxy server
Internet or proxy servers allow users to connect to the internet via this server
f) give two benefits of a proxy server
Security control for viruses
Access to the internet can be sped up
g) Give two examples of servers besides file and proxy servers
Web server
Email server
Give two ways that a user might notice or check to see if their computer is connected to a network
Indicator showing that youre connected to the internet
presence of other devices
a) what is the general function of a NIC
A NIC connects devices to the internet or network using a cable
what does it mean when we say that a nic is on board
it means that it is connected to the motherboard
what does the 1000 megabit specification refer to
the speed that the NIC can recieve and send data
what is a switch and what is it used for ?
A hardware device
a switch connects computers to a network so that communication can occur
name two ways in which a computers can connect to a network
using cables or wireless
What is a WLAN
Indicates that at least a part of the network is connected wirelessly
Give 3 advantages of a WLAN over a LAN
Easier to add more devices
Less clutter
Adds mobility to users with mobile devices
What is the main advantage of using a UTP cable to connect to a network?
cheaper and easier to install
What is the main advantage of using a fibre optic cable to connect to a network?
Capable of much faster speeds
