Question: Given this protocol: Alice to Bob: I ' m Alice Bob to Alice: [ R ] Bob Alice to Bob: [

Given this protocol:
Alice to Bob: "I'm Alice"
Bob to Alice: "[R]Bob"
Alice to Bob: "[R]Alice"
Where [..] is the signature.
Is mutual authentication ensured?
Group of answer choices
Yes, Alice and Bob are both authenticated
No, Alice is not Authenticated
No, neither of the two is authenticated
No, Bob is not authenticated

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