Computing Principles

Table Section A: Describe what a firewall is and describe how it helps in preventing threats in computer networks.

Table Section F: Describe what a ‘Spyware’ is and how it threatens computer networks.

Table Section E: “Seeks to obtain personal information about a user, such as passwords and bank details, usually via direct electronic communications (emails / phone calls). They will often try to impersonate legitimate companies (such as banks), tricking you into giving away sensitive information.”

Table Section D: Describe what a ‘Brute Force Attack’ is and how they threaten computer networks.

Table Section C: “This malware will seek to lock your computer making it useless. It will then demand that you pay a sum of money in order for you to get your computer working again.”

Table Section B: Describe what a ‘Denial of Service Attack’ is and how they threaten computer networks.

Table Section A: Describe what a virus is and how they threaten computer networks.

Explain, in your own words, how data is sent across the internet.

Please outline the components of a ‘Data Packet’ by explaining the various labels depicted on the ‘Data Packet Truck’ in the image below.

Explain, in your own words, what a WAN is.