QUESTION 1 Bob has received Alice's public key. Which one of the following is NOT a step that Bob must take to process her key? O 1. Sign the key 2. Import the key into the WinPT Key Manager 3. Enter his e-mail address O 4. Verify the fingerprint for the key QUESTION 2 Bob has just installed GPG for his operating system. Which one of the following items O 1. His email address O 2. The email address of the message recipient O 3. A passphrase of information does he NOT need to provide when generating a key pair? 4. The subkey size O 5. The key type QUESTION 3 Implementing encryption to ensure that someone cannot deny the sending of a message establishes: O 1. Authentication O 2. Symmetric encryption O 3. Asymmetric encryption O 4. Nonrepudiation