1)
F (1)
F (1)
T (1)
T (1)
F (1)
3
F (1)
T (1)
T (1)
F (1) [4]
4
(a) a hub is a device used to connect computers together to form a LAN
(b) an Intranet is a network with restricted access
(c) a Proxy server can allow networked computers to connect to the internet
(d) a WLAN is a wireless local area network
5
A router – so that data can be transferred from one network to another
A browser – to access the (world wide) web /view web pages/surf the net
Email – so that he can send messages to people outside the network/home
An ISP – in order that he can access the internet/email/to provide internet service
6)
Data can be accessed without being in the building where it is stored. _
Data thieves do not leave physical signs of robbery. _
b)
Have a firewall connected to the network. _
Have different levels of access to the data. _
7)
A virus scanner _ (1)
An email package _ (1)
A browser _ (1)
8)
(a) Hub (1)
Switch (1)
Bridge (1) [3]
(b) Two from:
It stores information about which computer is connected to which network
It receives data packets from an individual computer
It passes the data packets to the appropriate switch
To reduce data collisions
It can connect the LANs to the internet [2]
(c) 2 max for three pairs from:
User name and password (1)
It is very difficult for hackers to guess passwords/if you don’t know password cannot gain
access to system/data/need to know both username and password to gain access/(1)
Biometric data – retina scan, fingerprints/handprints, voice recognition etc. (1)
Each of these is unique/very difficult to replicate (1)
Magnetic stripe card for entry into company premises (1)
Difficult to replicate security information on stripe (1)
PIN for entry to company premises (1)
It is very difficult for hacker to guess PIN (1)
Digital certificate (1)
Confirms the origin of the document (1)
9)
Two from:
Modem
Router
Or any other suitable answer
[2]
(b) Five from:
WAN is a wide area network
WAN covers a large geographical area/worldwide
The Internet is a WAN
LAN is a Local Area Network
LAN covers a small area such as one building/A school network is a LAN
A WAN consists of connected LANs
More difficult to share peripherals using a WAN