Which of the following factors drive the need for data warehousing?

Which of the following factors drive the need for data warehousing?
 
  A) Businesses need an integrated view of company information.
  B) Informational data must be kept together with operational data.
  C) Data warehouses generally have better security.
  D) None of the above.

Q. 2

A router is a device that forwards packets of data through different networks, ensuring that the data gets to the right address.
 
  Indicate whether the statement is true or false

Q. 3

Enterprise systems include analytical tools.
 
  Indicate whether the statement is true or false

Q. 4

In the figure shown below, a rental unit can be both an apartment and a house but must be at least one.
 
  Indicate whether the statement is true or false

Q. 5

Which of the following advances in information systems contributed to the emergence of data warehousing?
 
  A) Improvements in database technology, particularly the relational data model
  B) Advances in computer hardware, especially affordable mass storage and parallel computer architectures
  C) Advances in middleware products that enabled enterprise database connectivity across heterogeneous platforms
  D) All of the above

Q. 6

A range control limits the set of permissible values that a field may assume.
 
  Indicate whether the statement is true or false

Q. 7

TCP/IP was developed in the 1950s.
 
  Indicate whether the statement is true or false

Q. 8

________ systems are those in which development occurs at the home base, but operations are handed over to autonomous units in foreign locations.
 
  A) Transnational
  B) Decentralized
  C) Duplicated
  D) Networked
  E) Virtual