Which of the Following Statements Is TRUE of Service-Oriented Architecture

question 23

Multiple Choice

Which of the following statements is TRUE of service-oriented architecture (SOA) ?

• A) Work is assigned to Web servers based on their geographical proximity to a user.
• B) SOA services are used only between the Web server and the users.
• C) The number of database servers and Web servers should be in a fixed ratio.
• D) JavaScript is written to invoke services defined by a server application.

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Definitions:

One-Sample Tests

Statistical tests used to determine if the sample mean of data differs significantly from a known or hypothesized population mean.

Population Standard Deviation

A measure of the dispersion or spread of all values in a population dataset.

Chi-Square Statistic

A statistical measure used in tests of independence to analyze the frequency distribution of observed data versus an expected data set.

Null Hypothesis

A hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.