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更多“Web Browser控件的Down Load Comple…”相关的问题
此题为判断题(对，错)。
Which of the following is not true？
A．Netscape Navigator was released in 1994.
B．Netscape communications released the source code for Web browser in 1994.
C．Microsoft in 1995 made a lot of efforts to develop Internet applications.
D．In 1994, Sun Microsystems released Java, the Internet programming environment.
Amazingly, these happy times appear still to be with us in the world's biggest community. A new study by Dan Farmer, a gifted programmer, using an automated investigative program of his own called SATAN, shows that the owners of well over half of all World Wide Web sites have set up home Without fitting locks to their doors.
SATAN can try out a variety of well-known hacking tricks on an Internet site without actually breaking in. Farmer has made the program publicly available, amid much criticism. A person with evil intent could use it to hunt down sites that are easy to burgle.
But Farmer is very concerned about the need to alert the public to poor security and, so far, events have proved him right. SATAN has done more to alert people to the risks than cause new disorder.
So is the Net becoming more secure？ Far from it. In the early days, when you visited a Web site your browser simply looked at the content. Now the Web is full of tiny programs that automatically download when you look at a Web page, and run on your own machine. These programs could, if their authors wished, do, all kinds of nasty things to your computer.
At the same time, the Net is increasingly populated with spiders, worms, agents and other types of automated beasts designed to penetrate the sites and seek out and classify information. All these make wonderful tools for antisocial ,people who want to invade weak sites and cause damage.
But let's look on the side. Given the lack of locks, the Internet is surely the world's big gest(almost) crime-free society. Maybe that is because hackers are fundamentally honest. Or that there currently isn't much to steal. Or because vandalism isn't much fun unless you have a peculiar dislike for someone.
Whatever the reason, let's enjoy it while we can. But expect it all to change, and security to become the number one issue, when the most influential inhabitants of the Net are selling services they want to be paid for.
By saying"...owners of well over half of all World Wide Web sites have set up home with out fitting locks to their doors" (Line 3-4, Para.2), the author means that______.
A．those happy times appear still to be with us
B．there simply wasn't any crime to worry about
C．many sites are not well-protected
D．hackers try out tricks on an Internet site without actually breaking in
A.TextMode
B.MaxLength
C.AutoPostBack
D.ID
