What is the difference between 1+1 and 1:1 protection switching?()

A .  1+1 is based on APS, while 1:1 is based on IPS. B .  1:1 is used in SNCP switching, while 1+1 is used in MS-SPRing switching. C .  1+1 sends signals on Working and Protect paths, while 1:1 sends signals only on Working path. D .  1+1 sends signals on Working path ONLY, while 1:1 sends signals on both Working and Protect paths.

时间:2022-10-12 22:23:39 所属题库:CCNP(642-321)题库

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