Answer:
Option (B) i.e., Certificate authority is the correct option to the following question.
Step-by-step explanation:
The following option is correct because it an organization or company who validating the identification of that object that exists and it also verifies the information of the third party.
Option A is incorrect because it is the tool or software that protects the system from the outsiders or the malware.
Option b is incorrect because Online certificate is issued for any software or application or the certification in the field of study.