Nokia
4A0-M01 · Question #47
Which statement correctly describes bi-directional Automatic Protection Switching (APS) as implemented in SROS?
The correct answer is C. A failure on the protect path causes both paths to switch to the protect circuit. See the full explanation below for the reasoning.
Question
Which statement correctly describes bi-directional Automatic Protection Switching (APS) as implemented in SROS?
Options
- AThe endpoints transmit the same data on the working and protect circuits
- BThe endpoints send K2 keepalive bits on the working and protect circuits
- CA failure on the protect path causes both paths to switch to the protect circuit
- DEither the working or protection circuit can signal an APS switch
How the community answered
(24 responses)- A4% (1)
- B8% (2)
- C83% (20)
- D4% (1)
Community Discussion
No community discussion yet for this question.