 
			 
			MCQOPTIONS
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				| 1. | What will be the plain text corresponding to ciphered text “BKC” if the bifid cipher is used for encryption with key as “KEY” and period 5? | 
| A. | MSD | 
| B. | SRT | 
| C. | KVK | 
| D. | VVS | 
| Answer» D. | |