Allows the transportation of all forms of traffic
Multiplexing is easy
Clocks do not need to be synchronized
Reduces network complexity and cost
Padding is not necessary and not permitted
第1题:
Which code causes only a Level 2 adjacency to be formed under the SONET interface so-2/2/2 withFrame Relay encapsulation?Which code causes only a Level 2 adjacency to be formed under the SONET interface so-2/2/2 with Frame Relay encapsulation?()
A.
B.
C.
D.
第2题:
A.DSL
B.Ethernet
C.DOCSIS
D.SONET
第3题:
(c) Briefly describe three advantages to Bailey’s of counselling. (3 marks)
第4题:
A. less frequent SPF calculations
B. fewer hello packets
C. smaller routing tables
D. reduced LSU overhe ad
E. fewer adjacencies needed
第5题:
A.AMI
B.ESF
C.DUS
D.SSM
E.B3ZS
F.B8ZS
第6题:
A.line
B.path
C.circuit
D.section
E.segment
第7题:
A. Single-mode fiber
B. Multimode fiber
C. Copper
D. Wireless
第8题:
A、situation
B、lodge
C、basement
D、site
第9题:
A.DUS
B.line timing
C.loop timing
D.internal timing
E.through timing
第10题:
Which three are advantages of SONET?()