Question: Given this protocol: Alice to Bob: I ' m Alice Bob to Alice: { R } Alice Alice to Bob: { R + 1

Given this protocol:
Alice to Bob: "I'm Alice"
Bob to Alice: {R}Alice
Alice to Bob: {R+1}Bob
Where {...} is encryption with the specified PUBLIC key.
Is Alice authenticated?
Group of answer choices
No, Alice is not authenticated
Yes, Alice is authenticated

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