Chapter 8 Flashcards
Which of the following have affected the way businesses use computing systems to meet the demand of the competitive marketplace?
A) GUI evolutions B) Networking advances C) Communication changes D) All of the above
2) Which of the following is a component of processing logic?
D) Business rules
A client PC that is responsible for processing presentation logic, extensive application and business rules logic as well as many DBMS functions is called a(n):
D) fat client.
________ is the process of assigning pieces of application code to clients or servers.
A) Application partitioning
Which of the following is not a common distribution logic for two-tiered server environments?
A) Fat client
________ is/are any of several classes of software that allow an application to interoperate with other software without requiring the user to understand all software involved.
B) Middleware
A(n) ________ is a set of application routines that programs use to direct the performance of procedures by the computer’s operating system.
A) API
An application programming interface that enables an application program to process RDBMS databases meets the:
B) open database connectivity standard.
A PC configured to handle user interface with little or no local storage is called a:
C) thin client.
A Web server:
B) processes client requests and returns HTML pages to the client.
The main difference between Java applets and Java servlets is:
B) servlets are stored on the server while applets are stored on the client.
Java servlets:
A) are small programs that execute from within another application rather than from the operating system.
PHP is a popular API for MySQL because of all of the following EXCEPT:
A) Microsoft integration.
A(n) ________ is a module of code written in SQL or some proprietary language to run business rules on a server.
D) stored procedure
Which of the following is an advantage of stored procedures?
D) Performance improves for compiled SQL statements.
Which of the following is not a disadvantage of stored procedures?
B) Decreases in network traffic are realized.
Which of the following is true about three-tier architectures?
C) More technological flexibility
An emerging trend likely to have an effect on the development of three-tier applications is called:
C) cloud computing.
All of the following are characteristics of cloud technologies EXCEPT:
A) unlimited bandwidth.
Extensible Markup Language (XML) is:
A) a scripting language that allows the creation of customized tags to enable easier sharing of data across organizations.
Extensible Business Reporting Language (XBRL) is an example of:
B) an XML-based vocabulary.
________ facilitates the ability of applications to query relational data along with associated structured data.
A) XPath
All of the following are newer XML schema languages EXCEPT:
A) Document Type Declarations (DTDs).
When an XML document is shredded, each element is:
C) stored in a relational table.
Which of the following is NOT a method for storing XML documents?
D) Convert to text
FLWOR is an acronym for:
B) For, LET, Where OrderBy, Return.
________ is a language used to transform complex XML documents and also to create HTML pages from XML documents.
B) XSLT
Web services:
B) are a set of emerging standards for protocols for automatic communication between software over the Web.
The promise of Web services is the development of a standardized communication system using:
C) XML.
Client/server describes a networked computing model that distributes processes between computers that request services and computers that provide services.
TRUE
Business rules logic includes such activities as data validation and identification of processing errors.
FALSE
The storage component of a client/server architecture is responsible for data storage and retrieval from the physical storage devices associated with the application.
TRUE
A fat client does most of its processing on the server.
FALSE
Application partitioning gives developers the opportunity to write application code that can later be placed on either a client workstation or a server, depending upon which location will give the best performance.
TRUE
When developing an application, one must decide where it will be placed when it is developed.
FALSE
An API is a set of routines that a database server uses to access database objects.
FALSE
ODBC is an application programming interface that provides a common language for application programs to access and process an SQL database independent of the particular RDBMS that is accessed.
TRUE
In some three-tier architectures, most application code is stored on the application server.
TRUE
Java servlets execute from within another program and reside on the server.
TRUE
PHP is a platform for Web development.
TRUE
Two-tier architectures are much more scalable than three-tier architectures.
FALSE
Three-tier architectures generally result in higher long-term costs.
FALSE
Cloud computing will have a limited impact on three-tier applications.
FALSE
The presentation logic component of a client/server system is responsible for formatting and presenting data on the user’s screen.
TRUE