5370 Quiz 7

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Which of the following is a component of processing logic?

Business rules

Many Python web applications use:

Django.

A fat client does most of its processing on the server.

False

A shared lock prevents another transaction from reading a record.

False

Geolocation logic is the application logic component responsible for data storage and retrieval.

False

Storage logic is provided by an application server.

False

The process of assigning parts of an application to a client or server is called application partitioning.

False

Three-tier architectures generally result in higher long-term costs.

False

Versioning is a pessimistic approach to concurrency control.

False

When developing an application, one must decide where it will be placed when it is developed.

False

One major disadvantage of JSP is:

HTML, Java code, and SQL are mixed together.

The LAMP stack consists of all of the following EXCEPT:

IIS.

The W3C standard for Web privacy is called:

Platform for Privacy Preferences.

A common encryption method to secure data traveling between a client and a server is called:

Secure Sockets Layer (SSL).

All .html files can be processed by the web server itself.

True

Client/server describes an networked computing model that distributes processes between computers that request services and computers that provide services.

True

Database administrators are responsible for administering database security.

True

In some three-tier architectures, most application code is stored on the application server.

True

Level of lock granularity is the extent of a database resource include with each lock.

True

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

Restricting access to the Web server is one method of Web security.

True

The LAMP stack consists of Apache, PHP, and MySQL.

True

The presentation logic component of a client/server system is responsible for formatting and presenting data on the user's screen.

True

Two-phase locking is a procedure for acquiring locks for a transaction before any are released.

True

In order for a transaction to be consistent:

any database constraints that must be true before the transaction must also be true after the transaction.

The client/server architectures that have evolved can be distinguished by the distribution of _____ across clients and servers.

application logic components

A(n) prevents another transaction from reading and therefore updating a record until it is unlocked.

exclusive lock

A client PC that is responsible for processing presentation logic, extensive application and business rules logic, and many DBMS functions is called a(n):

fat client.

A sequence of steps that constitute a well-defined business activity is called a:

transaction.

An optimistic approach to concurrency control is called:

versioning.


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