AMkC Edob AMkc BNADARCH he2 BNLDAR FRYH BNL Mini Mock Exam Answer all questions Total Marks:50 n3 n-7 noi aF LUskH COMFBS no 4 [8 marks] Q1: Basic Encryption and Hash VPNE no8 HTR) Q1.1 Find the plaintext and the key from the cipher-text ZLJBYPAF given that the cipher is a simple substitution of the shift-by-n variety. 1 marks]