Deck 3: Distributed Data Processing

Question 1

Replicated databases involve copying all or part of the database to additional computers.

Answer 1

True

Question 2

Which of the following is not a benefit of distributed data processing?

A)Increased responsiveness to organizational needs
B)Better correspondence to organizational patterns
C)Greater user involvement and control
D)Enhanced centralization of data definitions
E)Reduced systems incompatibility

Answer 2

D

Question 3

Which aspects of data processing can be centralized?

Answer 3

1)Computers,in a central facility.2)Processing,including all applications.3)Data,on centralized file servers.4)Management control.5)Support staff.

Question 4

Extranets use different protocols and applications than are used in Intranets.

Question 5

The three ways of organizing data for use by an organization are

A)centralized,replicated,and partitioned.
B)centralized,structured,and partitioned.
C)structured,replicated,and partitioned.
D)centralized,replicated,and structured.
E)distributed,replicated,and partitioned.

Question 6

List and describe the three primary methods for replicating databases.

Question 7

Which of the following is not a feature of an Intranet?

A)Uses Internet based standards,such as HTML and SMTP
B)Uses the TCP/IP protocol for local and wide-area networking
C)Is used to distribute content to the general Internet
D)Can be effectively managed
E)Is used to connect both local and remote sites into one network

Question 8

Which of the following typically is not supported by distributed processing?

A)Applications
B)Device controllers
C)Data
D)Control
E)Mainframes

Question 9

Intranets use the same communication protocols and applications as the Internet.

Question 10

Match the replication strategies below with the appropriate design architecture it uses.

A)Cascade or broadcast distribution
B)Two-phase commit
C)Lock and load
D)Messaging and queuing
E)Three-phase commit

Question 11

Database applications are always distributed applications.

Question 12

Which of the following is not a function provided by servers in client/server systems?

A)Printing services
B)Data entry
C)Database services
D)Gateways
E)Fax services

Question 13

Describe the key differences and similarities between Internets,Intranets,and Extranets.

Question 14

Centralized data processing typically involves terminals connected to large computers in a central data processing facility.

Question 15

Retail point of sale systems are an example of horizontal partitioning of data processing.

Question 16

A partitioned database is by definition not a replicated database.

Question 17

Like the Internet,intranets are difficult to manage.

Question 18

The three types of requirements for networking resulting from DDP are connectivity,availability,and performance.

Question 19

List and describe at least two factors that have led to the increase in DDP.

Question 20

Traditionally,data processing has been organized in a distributed model.