UOP Computer System Network Questions

1.A computer system network can be protected others trying to access the system without authorization is the use of Possessed Knowledge System (PKS)technique.Note it is something to be possessed via some form of knowledge.

a)Explain how a Possessed Knowledge System works in protecting a Computer Network System?

2b)Give an example of how Possessed Knowledge System is used in protecting a Computer Network System.

c)Give ONEadvantage and ONEdis–advantage of using Possessed Knowledge Systemwhen used to protect aComputer Network System..

2.Explain how Encryption/Decryption works and how does it help to achieve Security in communication in a network system such as achieving a Virtual Private Network.

3.A friend of yours read an article about Phishing in the local newspaper. He wants you to educate him more about Phishing.Explain what is Phishing? How does Phishing works? Give an example. How do you protect yourself from Phishing?

Questions from Chapter 10

4.Explain what is an Information System? Why is it important for an organization, such as Delta College, to have an Information System?

5.In an Enterprise Architecture under Business Intelligence, explain and distinguish each of the following.a) Data Warehouseb) Data Mining

6.There are seven phases in the traditional System Development Life Cycle (SDLC).In this question, Explain clearly whatareinvolved in ONLY in theSystem Analysis Phase of theSDLC. You have to explain what are/is the inputs, processes, and outputs for this phase.

7.When an organization converts its old system to a new system, there are different ways to implement them. Hence explain each of the following and also explain a disadvantage and an advantage of each.a) Direct conversionb) Parallel conversion

3Questions from Chapter 11

8.When writing computer programs, there needs to be an Interpreter or a Compiler. Explain the difference of a compiler from an Interpreter?

9.When writing computer programs or software, errors are bound to occur. Explain the differences between Syntax Errors, Logic Errors and Run–time errors. Given an example.