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Exam 15: 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) B) and C)
F) A) and B)

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Question 32

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The _____ is an advanced data definition language that is used to describe the structure of XML data documents.

A) XHTML
B) HTML schema
C) DTD
D) XML schema

E) All of the above
F) None of the above

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Question 33

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When an end user uses a web browser to dynamically query a database,the client browser actually requests a web page from the web server.

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

ODBC works on the operating system.

The Microsoft framework is a component-based platform for developing distributed,heterogeneous,interoperable applications aimed at manipulating any type of data over any network under any operating system and any programming language.

A DBMS that supports exchanges can integrate with external systems such as the web,mobile data,and legacy systems,thus enabling the creation of new types of systems.

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

Explain the features provided by web application servers.

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

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

ODBC,OLE-DB,and ADO.NET form the backbone of the architecture.

XML is derived from the ,an international standard for the publication and distribution of highly complex technical documents.

A good API makes it easy to develop a program by providing all of the building blocks.

The initial costs of using cloud services tend to be significantly higher than building on-premise IT infrastructures.

In the ODBC architecture,a(n) is in charge of managing all database connections.

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

You must use plug-ins and other client-side extensions:

In the OLE-DB model,the acts like a data consumer of the data provider and as a data provider for the data consumer (end-user application).

Having a web-based database interface eliminates the design and implementation issues of a database system.