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Using examples where appropriate, explain the following ( TLS - related ) terms: Forward secrecy OCSP Stapling Authenticated Encryption with Additional Data ( AEAD )
Using examples where appropriate, explain the following TLSrelated terms:
Forward secrecy
OCSP Stapling
Authenticated Encryption with Additional Data AEAD
marks
b What is meant by port scanning? In your answer, use diagrams to explain scans
of your choice. Further on show how systems can be hardened against such scans.
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c Using an example explain how a simple substitution cipher can be broken via a
letter frequency distribution analysis.
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