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 28 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?

Your heart beats over 36 million times a year.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

For a complete list of videos, visit our video library