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Homework answers / question archive / Indiana University, Purdue University Indianapolis CSCI N100 Quiz 4 1)Which of the following terms would best match this definition: Transforms a message or data file in such a way that its contents are hidden from unauthorized readers

Indiana University, Purdue University Indianapolis CSCI N100 Quiz 4 1)Which of the following terms would best match this definition: Transforms a message or data file in such a way that its contents are hidden from unauthorized readers

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Indiana University, Purdue University Indianapolis

CSCI N100

Quiz 4

1)Which of the following terms would best match this definition: Transforms a message or data file in such a way that its contents are hidden from unauthorized readers.

  1. An original message or file that has not yet been encrypted is referred to as ciphertext.
  2. A cryptographic                        is a word, number, or phrase that must be known to encrypt or decrypt data.
  3. There are various encryption methods, but                             is the encryption standard currently used worldwide.
  4. The single most effective security measure for digital devices is to password protect access to them.

 

  1. Which of the following type of attack uses password­cracking software to generate every possible combination of letters, numerals, and symbols.
  2. In addition to replicating itself, a virus self­distributing.
  3. Viruses spread themselves from one device to another.
  4. Similar to a worm, a trojan is not designed to spread itself to other devices.
  5. Trojans depend on                        to spread.
  6. Any data entering a digital device could be malware.
  7. What was the first device to use punch cards to control a sequence of operations?
  8. Aiken & Hopper created the Harvard Mark I computer?
  9. What was ENIAC initially used for?
  10. What is ENIGMA?
  11. What is a EPUB usually used for?
  12. Digital publishing is the production and distribution of traditionally printed materials in electronic form.
  13. One positive aspect of PDFs is their ability to scale well on small devices like tablets and smartphones.
  14. Contrast increases or decreases the difference between the light and dark areas of your photos.
  15. Tagging photos makes it easier to                              .

 

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