I'm a little confused by the wording of the question. Does "branch fibers" refer to the individual fibers going to each customer, or the main trunk fibers? I'll need to re-read the question and options more closely.
Okay, let me see. GPON Type A, B, and C are the main protection schemes, and Type B is the one that deals with redundancy and backup paths. So I think the answer is Type B dual-homing protection.
Hmm, I'm a bit unsure about this one. I know GPON has different protection schemes, but I can't remember the details of each one. I'll have to think this through carefully.
I'm feeling confident about GPON Type B dual-homing protection. Now, if only I could find a way to dual-home my brain to avoid these types of questions!
Celeste
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