Please could you answer these questions for the computer science name of the book computer science 13th edition?

4.6 Questions & Exercises

1- What is phishing? How are computers secured against it?

2- What distinction is there between the types of firewalls that can be placed at a domains gateway as opposed to an individual host within the domain?

3- Technically, the term data refers to representations of information, whereas information refers to the underlying meaning. Does the use of passwords protect data or information? Does the use of encryption protect data or information?

4- What advantage does public-key encryption have over more traditional encryption techniques?

5- What problems are associated with legal attempts to protect network security problems?