Tugas – Essay : Application Architecture & Process Design
1. A reason that a logical process might be split into multiple physical processes is because of
the use of multiple _________________________ technologies in the same information
system.
Answer:
2. A(n) _____________________________ represents any of the following: (1) the planned
implementation of an input to or output from a physical process; (2) a database command
or actions such as create, read, update, or delete; (3) the import of data from or the
export of data to another information system across a network; or (4) the flow of data
between two modules or subroutines within the same program.
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3. A(n) _______________________________ represents the implementation of one of the
following: (1) a database; (2) a table in a database; (3) a computer file; (4) a tape or
media backup of anything important; (5) any temporary file or batch as needed by a
program; or (6) any type of non-computerized file.
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4. A(n) ________________________________- is a set of client computers connected to one or
more servers through either cable or wireless connections over a relatively short distance.
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5. A file server system is a LAN-based solution in which a server computer hosts only
the__________________ layer. All other layers of the information system applications are
implemented on the client PC.
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6. In file server architectures, if the application wants to examine only one record in the
database, the entire file or table of records must be first downloaded to the client PC
where the _______________________ will be executed to read the desired record.
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7. A client/server system is a solution in which the _________________,
______________________, ___________________, __________________, and
___________________ layers are distributed between client PCs and one or more servers.
Answer:
8. An application server hosts application logic and services for an information system. It must
communicate on the ____________with the clients (for presentation) and on the
_____________with database servers for data access and update.
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9. A distributed presentation client/server system is a solution in which the ______________
and _________________layers are shifted from the server of a legacy system to reside on
the client. The_________________, __________________, and __________________ layers
remain on the server (usually a mainframe).
Answer:
10. A distributed data client/server system is a solution in which the __________________
and ___________________ layers are placed on the server(s), and the_________________,
_________________, and ________________ are placed on the clients. This is also called
two-tiered client/server computing.
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11. The same __________________________ technologies being used t build e-commerce
solutions are being used to reshape the internal information systems of most businesses.
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12. A(n) ___________________________ is a secure network, usually corporate, that uses
internet technology to integrate desktop, work group and enterprise computing into a
single cohesive framework.
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13. Each employee's "start page" on their browser is a ___________________ into all computer
systems and services he or she needs to do his or her entire job.
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14. A relational database stores data in tabular form. Each ______________ is implemented
as a table. Each __________ is a column in a table. Each ____________ in the file is a row
in the table. Related records between two tables are implemented by intentionally
duplicating columns in the two tables.
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15. _______________________________ products allow the programmers to ignore underlying
communication protocols.
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16. Clean layering requires that the_______________, ______________, and _______________
layers of an application be physically separated.
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17. A network architecture DFD is a physical data flow diagram that allocates processors
(clients and servers) and devices (e.g. machines and robots) to a network, and establishes
(1)__________________________________________; and
(2) _______________________________(usually only the clients).
Answer: