Okay, let me see... I believe the correct answer is B. displayPageMessage. That's the Visualforce-specific method for showing messages to the user, if I'm remembering correctly.
Hmm, this is a tough one. I'm torn between HTML Form and HTTP Form. Maybe I should just flip a coin and hope for the best. Or maybe I should ask the examiner if they accept bribes...
Hold up, guys. Isn't HTTP Form the way to go here? I mean, the question does say the service expects form-encoded parameters, and HTTP is the protocol, so that seems like the logical choice.
Lemuel
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