True or false questions. If a statement is false, you must explain the reason why it is false: a). Suppose that TCP is being run over IPsec with the AH protocol. If TCP retransmits the same packet, then the two packets will have the same sequence number in the AH header. b). Suppose certifier. com creates a certificate for foo. com. Typically the entire certificate would be encrypted with certifier. com's public key.

a. True

b. False

Explanation:

b. False

At the initial stage, the certificate needs to be encrypted not by the public key of certifier.com but by the by the private key of certifier.com.

After which, the certificate which contains lots information, (i.e there's more information in the certificate than just the public key to be certified). The certificate also the CA’s information, the certificate expiration date, etc.

Only this information’s digital fingerprint is encrypted by the certifier.com’s private key.

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