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WorksheetsNetwork Security - Module 16
Total questions: 8
Worksheet time: 4mins
What is Origin Authentication in communications?
Guarantees that the message was not altered. Any changes to data in transit will be detected.
Guarantees that the message is not a forgery and does actually come from whom it states.
Guarantees that only authorized users can read the message. If the message is intercepted, it cannot be deciphered.
Guarantees that the sender cannot repudiate, or refute, the validity of a message sent.
Which of the following only encrypts data and does not decrypt data?
Hashing
Asymmetric encryption
Symmetric encryption
All of them
What is Data Integrity in communications?
Guarantees that the message was not altered. Any changes to data in transit will be detected.
Guarantees that the message is not a forgery and does actually come from whom it states.
Guarantees that only authorized users can read the message. If the message is intercepted, it cannot be deciphered.
Guarantees that the sender cannot repudiate, or refute, the validity of a message sent.
What is Data confidentiality in communications?
Guarantees that the message was not altered. Any changes to data in transit will be detected.
Guarantees that the message is not a forgery and does actually come from whom it states.
Guarantees that only authorized users can read the message. If the message is intercepted, it cannot be deciphered.
Guarantees that the sender cannot repudiate, or refute, the validity of a message sent.
Which of the following uses a different key to encrypt and decrypt data?
Hashing
Asymmetric encryption
Symmetric encryption
All of them
What is non-repudiation in communications?
Guarantees that the message was not altered. Any changes to data in transit will be detected.
Guarantees that the message is not a forgery and does actually come from whom it states.
Guarantees that only authorized users can read the message. If the message is intercepted, it cannot be deciphered.
Guarantees that the sender cannot repudiate, or refute, the validity of a message sent.
Which of the following needs to have the longest key to be comparably safe?
Hashing
Asymmetric encryption
Symmetric encryption
They all need the same key length
Which method is used to securely agree a shared secret or key between 2 devices?
Iffy-Hellmann's
Squiffy-Hooligan
Dickie-Hellion
Diffie-Hellman
None of these, you've lost your marbles!
