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

Author Question: Which of the following represents unknown data in a data column? A) Empty String B) A zero value ... (Read 17 times)

oliviahorn72

  • Hero Member
  • *****
  • Posts: 579
Which of the following represents unknown data in a data column?
 
  A) Empty String
  B) A zero value
  C) A NULL
  D) Both A and B

Question 2

The _________ is the transport level port number which defines applications such as SNMP or TELNET.
 
  A) Source IP address
 
  B) IP protocol field
 
  C) Source and destination transport level address
 
  D) Interface



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Pswine

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

C

Answer to Question 2

C





 

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

For a complete list of videos, visit our video library