How many percent of social media users post their full birthday online, opening themselves up to identity theft, according to Consumer Reports Magazine’s State of the Net 2010 analysis?

A. 10%
B. 20%
C. 30%
D. 40%

Which of the following is not the reason people make mistakes when it comes to keeping online information secure?

A. People don’t think about the ramifications of sharing particular information in particular ways
B. The internet can create a false sense of anonymity
C. Internet users don’t make certain information available online
D. People make assumptions about how securely their information is being treated

Which of the following is a direct competitor to Facebook?

A. IBM
B. Google+
C. Microsoft
D. Apple

Fill in the numbered spaces with the words or phrases chosen from the box. Change the forms where necessary.Richard Stallman—Software Freedom AdvocatorThe relationship between software and freedom is key to Richard Stallman’s philosophy. Since his days as a physics student at Harvard University, he has 1free software and campaignedagainst software 2 and copyright laws. His pioneering work developed the concept of 3 , which gives each person who has4 a software product the ability to copy,adapt and 5 the program as long as the new software also has the same lack of restrictions.Stallman began the GNU/Linux Project in 1983 as an effort to develop and use the copyleft concept Linux is an 6 of this project, which continues to be a 7 for software development ethical practices, and political campaigning. He also started the Free Software Foundation (FSF) in 1985 to 8 writing free software for the GNU Project. The Free Software Directory 9more than 5 300 packages that run on the Linux and GNU operating10 .

Translate the following passage into Chinese.McAfee—Intrusion Prevention Products DeveloperTheMcAfee Initiative to Fight Cybercrime is a global effort to thwart security threats andcriminal activity. The world’s largest dedicated securitytechnology company has partnered withexperts in law enforcement, education, government, and society to investigate, prosecute, and attempt to prevent security breaches.McAfee products protect more than 60 million consumers, small- and medium-sized businesses, governmental agencies, and large corporations from malware, spam, and unauthorized access. In addition, more than 100 million mobile devices are protected with McAfee software. The corporation takes its name from its founder, John McAfee, who started the company in 1987 from his Santa Clara, California, home.Recently, McAfee launched a new online backup service with unlimited capacity that allows consumers to back up and encrypt their important files such as documents, photos, music, and email messages.

When it comes to posting online information, you can take it back.

A. 对
B. 错

All Web sites and online organizations arc created equal.

A. 对
B. 错

Sparing no efforts to investigate the security practices of the site is often well worth.

A. 对
B. 错

Compared with face-to-face conversations, online communication has some limitations.

A. 对
B. 错

Many users often use privacy controls, or even know about them.

A. 对
B. 错