超星 - 作业8.4 - 查题吧

单选题

37._____ refer(s) to devices on networks that connect computers to each other.

A.Packet sniffers
B.Routers
C.Adware
D.Modems

单选题

47.Jennifer recently installed a free media player for downloading music onto her laptop. Without her knowledge, along with the media player, a software was installed on her system which constantly tracked her online activities in addition to the data saved on her laptop. Which of the following was most likely downloaded without Jennifer's knowledge?

A.Adware
B.Spyware
C.Firmware
D.Cookie

单选题

48._____ refers to software that generates advertisements and installs itself on your computer when you download some other, usually free, program from the Web.

A.Antivirus software
B.Adware
C.Spyware
D.AdSense

单选题

50.Spyware is also known as ____.

A.adware
B.malware
C.stealthware
D.firmware

单选题

51.A _____ consists of one line of information for every visitor to a Web site and is usually stored on a Web server.

A.Web log
B.firewall
C.cookie
D.copyright

单选题

52.A _____ records information about you during a Web surfing session such as what Web sites you visited, how long you were there, what ads you looked at, and what you bought.

A.copyright
B.key logger
C.firewall
D.clickstream

单选题

57._____ are types of hackers who break into other people's computer systems and may just look around. They may steal credit card numbers or destroy information, or otherwise do damage.

A.Zombies
B.White-hat hackers
C.Black-hat hackers
D.Drones

单选题

60.A(n) ______ is hardware and/or software that protects a computer or a network from intruders.

A.Web log
B.worm
C.firewall
D.public key

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