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(20 points) A startup QuickE designed an encryption scheme QuickE for applications where messages never repeat. Therefore QuickE uses the deterministic and stateless ECB mode (where each block of the message is simply encrypted with the underlying blockcipher). QuickE claims that their protocol is secure against the modified IND-CPA definition, IND-DCPA, which is tailored for the applications with distinct messages.  IND-DCPA is like IND-CPA, but the adversary is not allowed to query equal messages at any point. I.e., if and  are any two left-right encryption queries made by the attacker, then all these messages must be distinct.  Prove that QuickE scheme is not IND-DCPA. For simplicity assume that the message space of QuickE is the set of bitstrings, whose length is multiple of , where is the block length of the underlying blockcipher , which is a secure PRF. 

Which one of the following is TRUE of task analysis?

Which of the following issues is addressed by task analysis?

A written document called a(n) ___________ may be developed to detail the steps a trainee and his or her manager will take to ensure transfer of training content to the job. 

Which of the following is a reason that the use of technology in a training context is likely to increase in the future?

Which of the following methods of needs assessment is inexpensive and allows for the collection of data from a large number of individuals?

Which of the following statements regarding technology’s influence on training and development is TRUE?

The goal of ________ analysis is determining what is responsible for the difference between employees’ current and expected levels of performance.

The first step in development planning is _____________, after which employees use the information gathered to determine career interests, values, aptitudes, and behavioral tendencies.