6) Which of the following statement is/are FALSE? A. The events of breaking the security mechanism of a computer network are called hacking. The person who hacks is called a hacker B. Besides hacking, we also use the term "routing" to describe those activities that may cause damages to computers and networks, or cause some kinds of loss to a user. C. Spyware is a software which can collect users' information (e.g, internet surfing habits, personal information, bank account, etc.), and send to another entity without their consent. D. Denial of Service (DoS) is an attempt to make an online service unavailable by overwhelming it with traffic from multiple sources, so that the server cannot handle normal users' requests. E. None of the above. 7) To prevent malware attacks, what type of software should be installed on a personal computer? A. printer driver B. communication software C. antivirus software D. operating system E. None of the above. 8) Which of the following statement is/are FALSE? A. For an infected computer, firewall can scan viruses and other malware, then remove them, or quarantine the infected files. B. Biometric devices use human intrinsic characteristics to authenticate users. There are two main types of biometric authentication physiological and behavioral. C. Personal information can be protected through decryption, to decrypt is to scramble and convert the original data or information into an unintelligible and meaningless form. D. E-banking on the internet is an example of batch processing, E. None of the above. 9) Which of the following is/are NOT the advantage(s) of e-commerce? A. Buying and selling 24 hours per day, and 7 days per week. B. There is the possibility of credit card number theft. C. No need of physical company set-ups. D. Easy to start and manage a business. E. None of the above. 10) Which of the following is/are the characteristic(s) of decision support system? A. The output information from decision support system is very detailed. E.g. paychecks have details on the worksheet of each employee's gross and net pay. B. Most of the inputs into DSS are from sources external to the firm. Information such as investment opportunities, rates of borrowed capital, census data, economic conditions must be obtained from databases outside the firm. C. The input data into decision support system is usually highly subjective (personal opinions based on experiences) and their accuracy may be a suspect. D. The output information from decision support system is for future events rather than descriptive of past events. E. None of the above