Internet Security Set 1
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This set of Internet Security Multiple Choice Questions & Answers (MCQs) focuses on Internet Security Set 1
Q1 | Message_____ means that the data must arrive at the receiver exactly as sent.
- confidentiality
- integrity
- authentication
- none of the above
Q2 | Message _______ means that the receiver is ensured that the message is coming from the intended sender, not an imposter.
- confidentiality
- integrity
- authentication
- none of the above
Q3 | A(n) ________function creates a message digest out of a message.
- encryption
- decryption
- hash
- none of the above
Q4 | The secret key between members needs to be created as a ______ key when two members contact KDC.
- public
- session
- complimentary
- none of the above
Q5 | The ________ criterion ensures that a message cannot easily be forged.
- one-wayness
- weak-collision-resistance
- strong-collision-resistance
- none of the above
Q6 | A(n) _____ is a trusted third party that assigns a symmetric key to two parties.
- kdc
- ca
- kdd
- none of the above
Q7 | A witness used in entity authentication is ____________.
- something known
- something possessed
- something inherent
- all of the above
Q8 | A _______ message digest is used as an MDC.
- keyless
- keyed
- either (a) or (b)
- neither (a) nor (b)
Q9 | A(n)______ creates a secret key only between a member and the center.
- ca
- kdc
- kdd
- none of the above
Q10 | ________ means to prove the identity of the entity that tries to access the system's resources.
- message authentication
- entity authentication
- message confidentiality
- none of the above
Q11 | A ________ signature is included in the document; a _______ signature is a separate entity.
- conventional; digital
- digital; digital
- either (a) or (b)
- neither (a) nor (b)
Q12 | If _________ is needed, a cryptosystem must be applied over the scheme.
- integrity
- confidentiality
- nonrepudiation
- authentication
Q13 | Digital signature provides ________.
- authentication
- non-repudiation
- both (a) and (b)
- neither (a) nor (b)
Q14 | Digital signature cannot provide ________ for the message.
- integrity
- confidentiality
- non-repudiation
- authentication
Q15 | To authenticate the data origin, one needs a(n) _______.
- mdc
- mac
- either (a) or (b)
- neither (a) nor (b)
Q16 | A(n) _________ can be used to preserve the integrity of a document or a message.
- message digest
- message summary
- encrypted message
- none of the above
Q17 | Challenge-response authentication can be done using ________.
- symmetric-key ciphers
- asymmetric-key ciphers
- keyed-hash functions
- all of the above
Q18 | The _______criterion ensures that we cannot find two messages that hash to the same digest.
- one-wayness
- weak-collision-resistance
- strong-collision-resistance
- none of the above
Q19 | A digital signature needs a(n)_________ system.
- symmetric-key
- asymmetric-key
- either (a) or (b)
- neither (a) nor (b)
Q20 | A(n) ________is a federal or state organization that binds a public key to an entity and issues a certificate.
- kdc
- kerberos
- ca
- none of the above
Q21 | Message ________ means that the sender and the receiver expect privacy.
- confidentiality
- integrity
- authentication
- none of the above
Q22 | In ________ authentication, the claimant proves that she knows a secret without actually sending it.
- password-based
- challenge-response
- either (a) or (b)
- neither (a) nor (b)
Q23 | In _______, a claimant proves her identity to the verifier by using one of the three kinds of witnesses.
- message authentication
- entity authentication
- message confidentiality
- message integrity
Q24 | The _______ criterion states that it must be extremely difficult or impossible to create the message if the message digest is given.
- one-wayness
- weak-collision-resistance
- strong-collision-resistance
- none of the above
Q25 | A(n) ______ is a hierarchical system that answers queries about key certification.
- kdc
- pki
- ca
- none of the above