Download 1. (10 pts) For each of the following, say whether it is protected by

1. (10 pts)
For each of the following, say whether it is protected by the copyright law:
(a) The right to prepare derivative works based upon the original
(b) The right to destroy a purchased copy
(c) The right to distribute copies
(d) The right to display the work publicly
(e) The right to memorize the work
2. (5 pts)
Describe shortly when the internet started and what was the main purpose of the
internet in the beginning.
3. (15 pts)
An agreement must contain four essential elements to be regarded as a contract. Explain each one.
(a) Offer
(b) Acceptance
(c) Meeting of the Minds
(d) Consideration
Give three different examples of situations where a contract is unenforceable.
4. (10 pts)
The use of cookies can be a threat to privacy in some cases, but can also enhance
privacy in other cases.
(a) In the context of web browing, what is a cookie ?
(b) Give an example of how the use of cookies can be a threat to privacy.
(c) Give an example of how the use of cookies can enhance privacy.
5. (15 pts)
(a) Explain what is a PHP session, including what is exchanged between the browser
and the server when the server starts a session, both at the first connect, and
connecting again, for example from another tab.
(b) Explain what is a cross-site request forgery attack on a web site and how it is
performed.
(c) What is a possible countermeasure?
6. (10 pts)
(a) Explain what is a cross-site scripting attack on a web site and how it is performed.
(b) What is a possible countermeasure?
7. (10 pts)
(a) Explain what is a clickjacking attack on a web site and how it is performed.
(b) What is a possible countermeasure?
8. (5 pts)
Explain the difference in the following terms: ethics, legality, morality.