计算机专业英语Unit-10-课件1.ppt

1、计算机专业计算机专业英语英语 教学教学课件课件Unit 10 Computer Security and PrivacyContents Part 1 Listening and Speaking Dialogue:Using Antivirus Software Listening Comprehension:Hacker and Cracker Dictation:Trojan Horses Part 2 Reading and Translating Section A:Protecting Your Information Online Section B:Security Attac

2、ks Part 3 Simulated Writing:Writing Professional Letters(II)1.1 Dialogue:Using Antivirus Software Exercises:Work in a group,and make up a similar conversation by replacing the statements with other expressions on the right side.1.2 Listening Comprehension:Hacker and Cracker Listen to the passage and

3、 the following 3 questions based on it.After you hear a question,there will be a break of 15 seconds.During the break,you will decide which one is the best answer among the four choices marked(A),(B),(C)and(D).Questions 1Which term was originally a positive title?2Why has the popular definition of h

4、acker been changed?3Which of the following behavior(s)is(are)illegitimate?1.3 Dictation:Trojan Horses This article will be played three times.Listen carefully,and fill in the numbered spaces with the appropriate words you have heard.2.1 Section A:Protecting Your Information Online Exercises I.Read t

5、he following statements carefully,and decide whether they are true(T)or false(F)according to the text._1.When it comes to posting online information,you can take it back._2.All websites and online organizations are created equal._3.Sparing no efforts to investigate the security practices of the site

6、 is often well worth._4.Compared with face-to-face conversations,online communication has some limitations._5.Many users often use privacy controls,or even know about them.2.1 Section A:Protecting Your Information Online II.Choose the best answer to each of the following questions.1.How many percent

7、 of social media users post their full birthday online,opening themselves up to identity theft,according to Consumer Reports Magazines State of the Net 2010 analysis?(A)10%(B)20%(C)30%(D)40%2.Which of the following is not the reason people make mistakes when it comes to keeping online information se

8、cure?(A)People dont think about the ramifications of sharing particular information in particular ways.(B)The Internet can create a false sense of anonymity.(C)Internet users dont make certain information available online.(D)People make assumptions about how securely their information is being treat

9、ed.3.Which of the following is a direct competitor to Facebook?(A)IBM(B)Google+(C)Microsoft(D)Apple 2.1 Section A:Protecting Your Information Online.Match each numbered item with the most closely related lettered item.Write your answers in the spaces provided.a.accuracyb.biometricc.cookiesd.encrypti

10、one.information brokers_1.Individuals who collect and sell personal data._2.Small data files deposited on your hard disk from websites you have visited._3.Privacy concern that relates to the responsibility to ensure correct data collection._4.A type of scanning device such as fingerprint and iris(ey

11、e)scanner._5.Process of coding information to make it unreadable except to those who have a key.2.2 Section B:Security Attacks Exercises I.Read the following statements carefully,and decide whether they are true(T)or false(F)according to the text._1Man-in-the-middle attack is network-based security

12、problem_2A denial of service attack directly corrupts data or gives inappropriate access_3Phishing is an attack that allows one user to masquerade as another _4A system crash could occur if a program attempts to store more information than a buffer can accommodate_5DoS is a technique that uses a web

13、 page that looks like an official part of some trusted environment2.2 Section B:Security AttacksII.Choose the best answer to each of the following questions.1Which of the following is not a security attack?ADoS attackBBack doorCPhishing DThread2Which of the following is a technique that uses a web p

14、age that looks like an official part of some trusted environment?ADoS attackBPhishing CBack doorDMan-in-the-middle attack3Which of the following is right?ADoS attack is network-basedBMan-in-the-middle attack is network-basedCSpoofing is an attack that allows one user to disguise as another.DAll of t

15、he above2.2 Section B:Security Attacks.Match each numbered item with the most closely related lettered item.Write your answers in the spaces provided.a.malwareb.phishingc.plagiarismd.spywaree.zombies_1.An ethical issue relating to using another persons work and ideas as your own without giving credi

16、t to the original source._2.Used by scammers to trick Internet users with official-looking websites._3.Infected computers that can be remotely controlled._4.Malicious programs that damage or disrupt a computer system._5.Wide range of programs that secretly record and report an individuals activities on the Internet.3.Simulated Writing:Writing Professional Letters(II)3.结束商业信函结束商业信函 4日常信函撰写日常信函撰写 3称呼语的使用称呼语的使用