Answer:
Option(b) and Option(c) is the correct answer to the given question
Explanation:
Security is very important part in any organization or corporation.We send the data into another in very confidential way such that unauthorized user will not access them .
With the help of encryption of message and digital sign message the security specialist must ensure that the reply came from the security specialist to the leader of the accounting team, and the details of the answer must be held in secrecy.