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+
+What is the language of secretmessage3.txt?
+
+French
+
+2.Question 2
+What is the first line of the message you decrypted from secretmessage3.txt?
+La chambre à coucher de Juliette.
+
+
+3.Question 3
+What is the language of secretmessage4.txt?
+German
+
+4.Question 4
+What is the first line of the message you decrypted from secretmessage4.txt?
+Drei Hexen treten auf.
+
+5.Question 5
+Recall that the choice to test key lengths 1–100 was arbitrary, and that the longer a key is with respect to an encrypted message, the less likely this Vigenère decryption algorithm is to work.
+
+How long would a key have to be, so that you could gain no information about an original message by analyzing the encrypted message?
+
+Exactly the message length
+
+6.Question 6
+The Vigenère decryption algorithm used in this lesson has limitations.
+In which of the following scenarios could the program return incorrect results? (Select all that are correct.)
+
+7.Question 7
+Consider the Vigenère decryption algorithm described in this lesson.
+
+Which one of the following could be a problem?
+
+The key length is long compared with the message.
+