Question: A security analyst uses a polyalphabetic substitution cipher with a keyword of YELLOW to encrypt a message. Which cipher should be used to encrypt the

A security analyst uses a polyalphabetic substitution cipher with a keyword of YELLOW to encrypt a message.
Which cipher should be used to encrypt the message?
Playfair
Pigpen
Vigenre
Caesar
A security analyst uses a polyalphabetic substitution cipher with a keyword

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