Judge this protocol. Select all that apply. Alice to Bob $-"$I$\text{'}$m Alice", $\{$R$\}$Bob Bob to Alice $-\{$R$,$Ks$\}$Alice Alice to Bob $-\{$R$+1\}$Alice Where R is the nonce, Ks is the session key. $\{...\}$ is encryption with specified PUBLIC key. $[...]$ is encryption with specified PRIVATE key. Group of answer choices Alice is authenticated Bob is authenticated A Replay Attack is possible Session key Ks is protected