This topic contains a solution. Click here to go to the answer

Author Question: Which of the following is true of entities? A) Entities have an identifier whose value is ... (Read 85 times)

beccaep

  • Hero Member
  • *****
  • Posts: 535
Which of the following is true of entities?
 
  A) Entities have an identifier whose value is associated with every entity in the data model.
  B) Entities can only represent a logical construct or transaction, not a physical object.
  C) The characteristics of entities are described by attributes.
  D) The names of entities are always plural.

Question 2

Which of the following is true of a virtual private network (VPN)?
 
  A) It provides a secure connection for information transmitted over the public Internet.
  B) It does not encrypt messages.
  C) It is limited to organizational use.
  D) It can be used to store highly sensitive information of an organization.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kardosa007

  • Sr. Member
  • ****
  • Posts: 300
Answer to Question 1

C

Answer to Question 2

A




kardosa007

  • Sr. Member
  • ****
  • Posts: 300

 

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

For a complete list of videos, visit our video library