Which one of the following protection schemes can protect branch fibers?

Question

Options

• AGPON Type B single-homing protection
• BGPON Type B dual-homing protection
• CGPON Type A protection
• DGPON Type C protection

• A
  13% (3)
• B
  4% (1)
• C
  9% (2)
• D
  74% (17)

Explanation

Let us analyze each protection scheme: Type A Protection: Protects only the trunk fiber (between the OLT and the splitter). Does not protect branch fibers. Type B Single-Homing Protection: Protects the trunk fiber but does not extend protection to branch fibers. Type B Dual-Homing Protection: Similar to Type B single-homing but uses two OLTs for redundancy. Still does not protect branch Type C Protection: Provides end-to-end protection , covering both the trunk and branch fibers. Uses redundant fibers and splitters to ensure continuity in case of failures in either the trunk or branch fibers. Thus, the correct answer is D, as Type C protection is the only scheme that protects branch

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