單項(xiàng)選擇題

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.

你可能感興趣的試題

單項(xiàng)選擇題

With R4.0， how many total DCC-R tunnel connections can each ONS 15454 support using the TCC+ card？（）

A. 10
B. 32
C. 64
D. 84
E. 96

單項(xiàng)選擇題

Which timing mode is most appropriate for an ONS 15454 that has lost its BITS-1 and optical references？（）

A. line timing
B. loop timing
C. internal timing
D. through timing
E. external timing

97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区 狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

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

你可能感興趣的試題

With R4.0， how many total DCC-R tunnel connections can each ONS 15454 support using the TCC+ card？ （）

Which timing mode is most appropriate for an ONS 15454 that has lost its BITS-1 and optical references？（）

97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

With R4.0， how many total DCC-R tunnel connections can each ONS 15454 support using the TCC+ card？（）

Which timing mode is most appropriate for an ONS 15454 that has lost its BITS-1 and optical references？（）