CMIT 425 week 3 Discussion question.

Please respond to one or more of the following questions. please ensure to use citations and referances

  1. Define steganography and discuss a method of how steganography is accomplished.
  2. What is a cryptosystem and what services can cryptosystems provide? Give an example of a cryptosystem and describe its operation.
  3. Describe the operation of a one-time pad (OTP) and give an example of a device that uses an OTP either from your own experience or from research.
  4. What are the types of message integrity controls and what benefit is provided by them? Give a short description of the various secure email protocols that are referenced in the textbook.
  5. What benefit do digital signatures provide and what are their characteristics? In your own words, what does non-repudiation mean?
  6. What factors affect the strength of an algorithm or cryptosystem? What are some common weaknesses that affect them?
  7. Describe the functions of key management. What is a key escrow?

please respond to one or more of the following questions.

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  1. Identify the malicious threat sources to physical security and their corresponding countermeasures.
  2. What is a “man-trap”? What is the difference between “fail-safe” and “fail-secure” configurations in how doorways with automatic locks operate?
  3. Define the following different types of voltage fluctuations possible with electric power: spike, surge, fault, blackout, sag/dip, brownout, and in-rush current. Describe electromagnetic interference (EMI) and radio frequency interference (RFI) and discuss sources of each.
  4. Describe the four main classes of fire in relation to the type of fire, elements of fire they are associated with, and the suppression method used to mitigate them. List the four main combustion elements and align them with the appropriate suppression method.
  5. Describe the differences between the four main types of water sprinkler systems used for fire suppression.

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