The 'Actor' in an UML Use Case Diagrams

question 49

Multiple Choice

The 'actor' in an UML use case diagrams:

• A)is similar to an external entity on a DFD
• B)is similar to a data store on a DFD
• C)is similar to a process on a use case
• D)is similar to polymorphism
• E)is similar to encapsulation

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Definitions:

Systematic Risk

The risk inherent to the entire market or market segment that cannot be mitigated through diversification.

Standard Deviation

A statistical measure of the dispersion or variability of a set of data points, often used in finance to quantify the risk of investment returns.

Security Market Line

A representation in financial economics that shows the relation between the risk of an asset and its expected return.

Expected Return-Beta Relationship

A concept in finance that describes the relationship between the expected return of an investment and its beta, indicating the investment's relative risk compared to the market.