Answer: key escrow
Explanation:
Using key escrow we are able to recover data if passphrase is forgotten. this technique uses a bypass link to get all the keys to the system only if it is an authorized entry.
Answer:
d. Stockholder theory
Explanation:
The theory of maximising profits
Answer: Fourth- generation language
Explanation:Structured Query Language (SQL) is the language that is in the form of database structure which helps in the manipulation of the data and management as well.
SQL is considered as the fourth generation language because it is used for the accessing of the data from the database.It is also known for the advancement in the third generation language and thus also improving the language interface with users.
Answer:

Explanation:
When we convert any decimal number into the hexadecimal number we have to divide that number with 16.
Now according to question the decimal number is 35.
Now to convert this in hexadecimal divide it with 16.

This means the quotient is 2 and the remainder is 3.
Therefore the value of hexadecimal is,

Therefore,
.