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Monday, March 18, 2002
Compuquiz

Compuquiz 75

1. Which technology is used to measure and analyze human body characteristics for authentication purposes?

2. What do we call an electronic or paper log used to track computer activity?

3. A series of messages sent by someone attempting to break into a computer to learn which computer network services the computer provides is called what?

4. Name the well known group of programmers who are hired to expose errors or security holes in new software or to find out why a computer network's security is being broken?

5. What do we call a mechanism for ensuring that only authorized users can copy or use specific software applications?

6. What do we call the hiding of a secret message within an ordinary message and the extraction of it at its destination?

7. A Peripheral Component Interconnect (PCI) card used to generate encryption keys for secure transactions on e-commerce Web sites is known as what?

8. Name the technology involving the monitoring of devices that emit electromagnetic radiation (EMR) in a manner that can be used to reconstruct intelligible data.

9. What enables users of a basically unsecure public network such as the Internet to securely and privately exchange data and money through the use of a public and a private cryptographic key pair that is obtained and shared through a trusted authority?

10. An assault on the integrity of a security system in which the attacker substitutes a section of ciphertext (encrypted text) with a different section that looks like (but is not the same as) the one removed is called what?

Answers to Compuquiz 73

1. Private key 

2. One-time pad 

3. Public key infrastructure 

4. Certificate authority 

5. Pretty Good Privacy 

6. Rijndael 

7. Steganography 

8. Salt 

9. Electronic Code Book 

10. Brute force cracking

The following are the winners of Compuquiz 73

1. Param Sandhu, Nakodar 

2. Ranjit Singh Hundal, Amritsar 

3. Mrs R. Lakshmi, New Delhi

 

Compuquiz rules

1. The readers who submit correct answers will be awarded the following cash prizes by The Tribune: First prize Rs 1,000, second prize Rs 750, third prize Rs 500.

2. All entries must be accompanied with a clipping of this quiz.

3. Entries should be sent to Quizmaster, Log in....Tribune, The Tribune, Sector 29-C, Chandigarh latest by March 25, 2002.

4. In case of more than one correct entry, prizes will be decided by a draw of lots. The decision of the Quizmaster in this regard will be final.

5. The answers and result of Compuquiz-75 will be published in the issue of April 1, 2002.

6. Entries should be sent on plain paper preferably typed in double space or handwritten legibly in block letters.

7. All entries must carry the sender's name, complete address and contact number.

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