Explain what entity clustering is. What will be an ideal ...

[nelaaney]

Explain what entity clustering is.
 
  What will be an ideal response?

Question 2

Spread spectrum transmission is used in wireless LANs ________.
 
  A) to increase transmission speed
  B) for security
  C) Both A and B
  D) Neither A nor B

[ankilker]

Answer to Question 1

An entity cluster is a group of entities and relationships which act as one entity. Entity clustering can be thought of as a way to decompose a data model hierarchically, gaining finer and finer views. Entity clusters can interact with other entity clusters just like entities can interact with each other.

Answer to Question 2

Answer: D