Author Question: What usually is the longest stage in a cryptographic system dialogue? A) Ongoing communication ... (Read 115 times)

kamilo84

  • Sr. Member
  • ****
  • Posts: 495
What usually is the longest stage in a cryptographic system dialogue?
 
  A) Ongoing communication
  B) Negotiation of security methods and parameters
  C) Keying
  D) Mutual authentication

Question 2

Electronic signatures usually provide ________.
 
  A) message-by-message authentication
  B) message integrity
  C) Both A and B
  D) Neither A nor B



diana chang

  • Sr. Member
  • ****
  • Posts: 288
Answer to Question 1

Answer: A

Answer to Question 2

Answer: C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

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.

For a complete list of videos, visit our video library