This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following is true of entities? A) Entities have an identifier whose value is ... (Read 73 times)

beccaep

  • Hero Member
  • *****
  • Posts: 535
on: Jul 7, 2018
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
Reply #1 on: Jul 7, 2018
Answer to Question 1

C

Answer to Question 2

A


beccaep

  • Hero Member
  • *****
  • Posts: 535
Reply #2 on: Jul 7, 2018
Correct answers!


kardosa007

  • Sr. Member
  • ****
  • Posts: 300
Reply #3 on: Jul 7, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

A true albino squirrel. Note the pink eyes. A true albino squirrel. Note the pink eyes.
True Forget-Me-Not True Forget-Me-Not
True Friendship True Friendship
Adapoids and omomyoids had longer snouts and are the first “true” primates. Adapoids and omomyoids had longer snouts and are the first “true” primates.
Which of the following statements is true of linkage? Which of the following statements is true of linkage?
A diagram showing one of Mendel’s crosses. True-breeding strains of pea plants with smooth and ... A diagram showing one of Mendel’s crosses. True-breeding strains of pea plants with smooth and ...
Video: Multiple Sclerosis Animation

For a complete list of videos, visit our video library