1. Use Caesar’s Cipher to decipher the following HQFUBSWHG WHAW a) ABANDONED LOCK b) ENCRYPTED TEXT c) ABANDONED TEXT d) ENCRYPTED LOCK AnswerAnswer: b [Reason:] Caesar Cipher uses C =(p+3) mod 26 to encrypt. 2. Caesar Cipher is an example of a) Poly-alphabetic Cipher b) Mono-alphabetic Cipher c) Multi-alphabetic Cipher d) Bi-alphabetic Cipher AnswerAnswer: b…