<span>Virtual Private Network employs a method called "tunneling" in which each packet from the sending computer is encapsulated within another packet before being sent over the internet.Tunneling protocol allows a network user to access or provide a network service that the underlying network does not support or provide directly</span>
Answer:
the right answer to the question is schema
Explanation:
The database schema of a database is its structure described in a formal language supported by the database management system (DBMS). The term "schema" refers to the organization of data as a blueprint of how the database is constructed
Answer:
correct option is B. The Delphi technique
Explanation:
RAND was developed by Delphi method in the 1950 s and initially to predict the impact of technology on the military.
This method involves a group of experts who respond anonymously to questions and subsequently receive an answer as in the form of statistical representation of group response and after that process repeats itself.
As the goal to narrow down the range of responses and get to something close to a consensus agreement and this Delphi method widely adopted and is still relevant today.
so correct option is B. The Delphi technique
