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Which of the following statements best describes ‘Encryption’?
The following message has been encrypted using a Caesar Cipher, with a left shift of 3.
Kfzb clla
What was the original message?
The following message has been encrypted using a Caesar Cipher, with a left shift of 3.
Zxom cfpe
What was the original message?
The following message has been encrypted using a Caesar Cipher, with a left shift of 3.
Exoa olzh
What was the original message?
The following message has been encrypted using a Caesar Cipher, with a right shift of 3.
Jrrg Oxfn
What was the original message?
The following message has been encrypted using a Caesar Cipher, with a right shift of 3.
Zhoo grqh
What was the original message?
The following message has been encrypted using a Caesar Cipher, with a right shift of 3.
Zrun kdug
What was the original message?
Why are Caesar Cipher encryptions quite easy to crack?
What is asymmetric encryption?
What is symmetric encryption?
‘Lossy Compression’ is best described as…
‘Lossless Compression’ is best described as…
‘Run Length Encoding’ is…
‘Dictionary Coding’ is…
Select the advantages of compression from the list below:
MP3s are an example of a file that has been compressed using which compression method?
Zip files are an example of files that have been compressed using which compression method?