Cryptography - Topic Wise Multiple Choice Questions (MCQ)
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6 )
An example of the sub - fields of cryptography is:
Steganography
Traffic Analysis
Hiding the very existence of a message
All of the Above ✔
None of these
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7 )
Which among the following is correct in term of cryptography?
Traffic Analysis is the analysis of patterns of communication in order to learn secret information.
Steganography is the study of hiding the very existence of a message, and not necessarily the contents of the message itself like microdots or invisible ink.
Traffic Analysis is the analysis of how many visitors visit the website
Only A and B ✔
Only B and C
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8 )
When information is transformed from a useful form of understanding to an opaque form of understanding, this is called:
Encryption ✔
Decryption
Both of Above
Information Provider
None of these
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9 )
When the information is reverted back into a useful form it is called:
Standard encryption
Plain text encryption
Decryption ✔
Information Provider
None of these
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10 )
Symmetric - key cryptography refers to ______methods in which both the sender and receiver share the same key ( or, less commonly, in which their keys are different but related in an easily computable way):
Encryption ✔
Decryption
Both of Above
Secure
None of these
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