Suppose that A has obtained a certificate from certification authority X1 and B has obtained certificate authority from CA X2. A can use a chain of certificates to obtain B’s public key. In notation of X.509, the correct order of this chain is represented as –(a) X2 X1 X1 B(b) X1 X1 X2 A(c) X1 X2 X2 B(d) X1 X2 X2 AThe question was posed to me by my college director while I was bunking the class.Question is taken from Overview topic in section Cryptography Overview, TCP/IP and Communication Networks of Cryptograph & Network Security

Suppose that A has obtained a certificate from certification authority

1.	Suppose that A has obtained a certificate from certification authority X1 and B has obtained certificate authority from CA X2. A can use a chain of certificates to obtain B’s public key. In notation of X.509, the correct order of this chain is represented as –(a) X2 X1 X1 B(b) X1 X1 X2 A(c) X1 X2 X2 B(d) X1 X2 X2 AThe question was posed to me by my college director while I was bunking the class.Question is taken from Overview topic in section Cryptography Overview, TCP/IP and Communication Networks of Cryptograph & Network Security
Answer» Right choice is (c) X1 X2 X2 B The best explanation: The correct REPRESENTATION would be X1 X2 X2 B.

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