Assume a REAL ID can be used for federal identification and a traditional ID cannot. Which of the following, in the form of an analogy, can be used to authenticate the person requesting a digital certificate?

a$.$

A digital certificate authenticated with a certificate revocation list query is like a REAL ID$.$

b$.$

A digital certificate authenticated with a birth certificate is like a REAL ID$.$

c$.$

A digital certificate authenticated with a digital signature is like a REAL ID$.$

d$.$

A digital certificate authenticated with an email address is like a REAL ID$.$