A. It protects signals against node failures between rings.
B. It protects signals against node failure within a single ring.
C. It allows for traffic to be preempted when a ring switch occurs.
D. Traffic can be dropped and continued at interconnecting nodes.
E. It protects preemptible traffic from being dropped when a ring switch occurs.
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更多“What are two characteristics o…”相关的问题
第1题
A.Gothic
B.Baroque
C.Rococo
D.Conceptual
第2题
” ruts”(in line one, paragraph 3) has closest meaning to
A. tracks B. series C. characteristics D. connections
第4题
The main idea of this passage is______.
A. one's color preference shows one's character
B. you can brighten your life with wonderful colors
C. psychologists have been studying the meaning of color preference
D. one's color preference has something to do with his character and colors have effects on human beings
第5题
A.Two cups of coflees
B.Two coffees
C.Two cup of cofe
D.Two cups cofee
第6题
What probably is the relationship between the two speakers
第7题
A.It
B. As
C.That
D.What
第8题
A.who，what
B.what，what
C.what，who
D.who，who
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