Charles mott works for a company called verisign that acts a trusted third party to verify information. one of charles' largest clients is checkmd, which holds and authenticates customer reviews of doctors and dentists online and having a third party validating the reviews is critical to checkmd's success. what type of authentication technique is verisign providing for checkmd?

a. firewall
b. certificate authority
c. online certificate
d. digital content cèrtificate

Option (B) i.e., Certificate authority is the correct option to the following question.

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.

d?

explanation: