1. What are metadata? Why are they important to sys- tem developers?

 

 

  1. What is the purpose of developing an identifier for an entity?

 

  1. What is meant by a concatenated identifier?

 

  1. Explain the distinction between identifying and nonidentifying relationships.

 

  1. Describe the three-step process of creating an inter- section entity.
  2. Describe the primary activities of the design phase of the SDLC.
  3. Describe the three primary strategies that are avail- able to obtain a new system.
  4. What circumstances favor the custom design strategy?
  5. What circumstances favor using outsourcing to 
obtain the new system?
  6. What is meant by customizing a software package?
  7. Explain the client–server architecture.
  8. Explain the difference between a symmetric encryp- tion algorithm and an asymmetric encryption 
algorithm.
  9. What is the purpose of the hardware and software specification?
  10. What do you think are the most important security issues for a system?
  11. What is meant by authentication? What is its role in 
securing transactions?

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