642-447 Exam Dumps | Which two qualities of PKI key exchange overcome asymmetric cryptography scalability issues? (Choose

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Question 79/320

Which two qualities of PKI key exchange overcome asymmetric cryptography scalability issues? (Choose two.)

A. the trusted introducer uses the signed certificates of the endpoints that need to communicate

B. the introducer digitally signs the public key of the user with the public key of the introducer to generate a signed certificate

C. only the public key of the introducer has to be initially known and verified by all other entities

D. pki uses only a single trusted introducer

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