Question: 9 ) Which key lengths are used in AES encryption?a . 1 2 8 , 1 9 2 , 2 5 6 bitsb . 6

9)Which key lengths are used in AES encryption?a.128,192,256 bitsb.64,128,256 bitsc.56,128,512 bitsd.64,192,512 bits10)What is the main weakness of the Caesar/shift cipher?a.Lack of key managementb.Vulnerable to frequency analysisc.Slow encryption speedd.Limited to numeric characters

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