Certified Encryption Specialist (E|CES)

During training you must categorize the classical ciphers covered in the Introduction and History module. Which of the following belongs to the multi-alphabet substitution family rather than the mono-alphabet substitution family?

A prospective candidate with a non-mathematical background worries that the ECES course, which begins with the History of Cryptography module, will require advanced math they do not possess. Based on the stated prerequisites, what should you tell them?