Which action does a user perform that requires the user to provide credentials?
A. decryption of data
B. system logon
C. reading a data record
D. shutting down a system
Answer: B
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You are required to create a conceptual data model of the data requirements for a company that specializes in IT training. The Company has 30 instructors and can handle up to 100 trainees per training session. The Company offers five advanced technology courses, each of which is taught by a teaching team of two or more instructors. Each instructor is assigned to a maximum of two teaching teams or may be assigned to do research. Each trainee undertakes one advanced technology course per training session.
(a) Identify the main entity types for the company. (b) Identify the main relationship types and specify the multiplicity for each relationship. State any assumptions you make about the data. (c) Using your answers for (a) and (b), draw a single ER diagram to represent the data requirements for the company.
How does polymorphism promote extensibility?
What will be an ideal response?
Write a script that finds the smallest of several integers. Assume that the first value read specifies the number of values to be input from the user.
What will be an ideal response?
In VBA, a(n) ________ error occurs when you misuse or misspell a keyword, use incorrect punctuation, have not defined a procedure, or violate any other programming rules specific to the language
Fill in the blank(s) with correct word