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Exam 14: Database Connectivity and Web Technologies

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Question 31

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Which of the following is a characteristic of the XML metalanguage?

A) It is concerned with the way data are displayed.
B) It allows the definition of new tags.
C) You can use the // symbol for entering a comment in the XML document.
D) It can be used as a replacement of HTML.

E) A) and B)
F) A) and C)

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Question 32

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The label "stateless system" indicates that, at any given time, there is an open communication line between the server and each client accessing it.

A) True
B) False

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Question 33

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Extending the web server functionality implies that the web server and the web-to-database middleware will properly communicate with each other.

is a web application server that provides the ability to connect web servers to multiple data sources.

A(n) file provides the composition of the database's logical model and defines the syntax rules for an XML document.

A(n) _____ is a program written in a programming language that is not compiled, but is interpreted and executed at run time.

A(n) is a unique name by which the data source will be known to ODBC, and therefore, to applications.

What are the main types of objects in the OLE-DB model? Explain.

A(n) provides limited additional semantic value to XML, such as data type support or data validation rules.

APIs are faster than scripts because the code resides in memory and there is no need to run an external program for each request.

The use of HTML does not equip a web browser with computational abilities beyond formatting output text and accepting form field inputs.

What is JavaScript? How does it work?

Among client-side extensions, is a Microsoft specification for writing programs that run inside the Internet Explorer browser.

In a document type definition (DTD) file, a plus (+) symbol beside an element indicates that it is an optional child element within its parent.

A web server is the main hub through which all Internet services are accessed.

XML tags must be well formed, that is, each opening tag must have a corresponding tag.

Cloud services allow any organization to quickly and economically add information technology services to its IT portfolio.

Which of the following is True of a web application server?

Another name for a database server-side extension program is .

Using , you can extract data from an XML document and convert it into a text file.