Question 1
a. Identify three ways in which your confidentiality and privacy can be breached when your computer is connected to the Internet.
b. Explain what firewalls are and give a type of firewall in use.
c. Describe what Public Key Cryptography (PKC) is and how a PKC method is applied.
d. Identify three different types of information that can be accessed by the websites you visit.
Question 2
a. Explain the meaning of the following terms associated with a relational database and provide an example for each term.
i) Primary Key
ii) Foreign Key
iii) One to many relationship
b. Identify the programmes or technologies on the server side that are required to build a web site in order to display data from a database.
c. Explain the difference between Data Definition Language (DDL) and Data Manipulation Language (DML).
d. Give 2 examples of statements that are used in DDL.