Answer: the MAC (Media Access Control) address
I belive its true but i am not a 100% sure
Answer: Rich medium
Explanation: A communication is said to be rich id it provides the services like observing the body language, immediate communication, instant judging of the voice tone etc. These factors are commonly found in the face to face interaction which is considered as the rich source of communication. It is considered as rich medium because it has the capability of receiving the output immediately .
Answer:
The answer to this question is option "d".
Explanation:
The answer is user will not be able to login at all. The user wants to log in to the salesforce by its IP address. But in the server, all the IP addresses will be registered for their special work. When the user inserting their IP address to log in to the salesforce. The first server will be checking into there database. If IP address doesn't match it will not permit to access salesforce because in their server it is not a valid IP address. It is registered in sever but not for this user.
So the answer to this question is option "d".
"flat file"
A simple database program whose records have no relationship to one another<span>single</span>