Q. PDU stands for

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Q. SSM stands for

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Q. Which is the last step in establishing a connection between hosts using the SSM?

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Q. Larger networks would prefer a full decentralization.

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Q. Which of these is not a type of session key?

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Q. Which session key is used for electronic funds transfer and point of sale applications?

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Q. Sometimes a simple tag is introduced along with the session key. This tag has 8 bits. Which of the following options is wrong?

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Q. Hash Value = H = h(CV)
Key Input = Km XOR H
Ciphertext = E([Km XOR H],Ks)
What is CV here?

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Q. Which is the correct representation for session key recovery for the plain text?

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Q. Which of the following is required to find the session key?

i) Control Vector
ii) Master Key
iii) Encrypted session Key

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Q. “Meet in the middle attack” and “man in the middle attack” are the same.

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Q. “Meet in the middle attack” is an attack

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Q. Public key encryption/decryption is not preferred because

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Q. Which one of the following is not a public key distribution means?

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Q. What is the PGP stand for?

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Q. PGP makes use of which cryptographic algorithm?

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Q. USENET is related to which of the following Public Key distribution schemes?

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Q. Which of the following public key distribution systems is most secure?

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Q. Which systems use a timestamp?

i) Public-Key Certificates
ii) Public announcements
iii) Publicly available directories
iv) Public-Key authority

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Q. Which of these systems use timestamps as an expiration date?

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