__________ is malware that encrypts the user’s data and demands payment in order to access the key needed to recover the information.

A. Trojan horse
B. Ransomware
C. Crimeware
D. Polymorphic


B. Ransomware

Computer Science & Information Technology

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The ________ abstract classes are Unicode character-based streams.

a. Reader and Writer b. BufferedReader and BufferedWriter c. CharArrayReader and CharArrayWriter d. UnicodeReader and UnicodeWriter

Computer Science & Information Technology

If you want to know what your document would look like as a Web page, you need to use the ________

Fill in the blank(s) with correct word

Computer Science & Information Technology

A mobile device you are troubleshooting is experiencing a sharp decrease in performance after an hour of operation. The user powers the device off each evening, and when it is powered on, performance returns to normal. After an hour of operation, performance degrades.   Which of the following is the best action to take to resolve this issue?

A. Reset the device to factory defaults. B. Update the mobile device firmware. C. Close or disable all unused running apps. D. Adjust the brightness control.

Computer Science & Information Technology

Which type of e-commerce accounts for the majority of e-commerce transactions in the corporate world?

A. B2B B. B2C C. C2C D. C2B

Computer Science & Information Technology