Networks create security risks. They require measures such as protection passwords and anti-virus software. Network managers use policies to protect users on a network.
What is the purpose of a firewall?
To detect viruses on a system and prevent them from attacking it and spreading
To prevent unauthorised connections coming into and out of a network
To prevent a hacker from logging on to the network
What is the purpose of a username and password?
To allow a user to log on to a network
To identify which files a user has rights to
To identify the user and to verify they are who they claim to be
What makes a secure password?
A secure password should be one that you will easily remember
A secure password should be a mixture of upper-case and lower-case letters, numbers and characters
A secure password should be something familiar like a birthday or a pet's name
Why are access levels useful?
They give everyone access to all parts of the network
They give everyone 'download' access to the network
They control the level of access a user has to the network
What is encryption?
Encryption changes data so that it no longer has the same meaning
Encryption encodes data, such as using M for male and F for female
Encryption disguises data so that it can't be understood
What is the purpose of anti-virus software?
To prevent a virus from attacking the network
To prevent hackers from accessing the network
To block unauthorised connections to the network
What is an archive?
A copy of old data that is removed from the network and kept safe for later use
A back-up of data on the network that is kept safe in case of data loss
A place where important paper documents are stored
Why do organisations have network policies?
To prevent users from misusing the network
To allow organisations to control what users do on a network
To form an agreement between the organisation and its users on acceptable usage of the network
Which of the following are types of malicious software?
Viruses, worms, zombies, trojans and spybots
Word processing packages
How do you know if a website is secure?
When you visit the site a message appears telling you it is secure
The prefix of the website is https
Websites cannot be made secure