A.DUS
B.line timing
C.loop timing
D.internal timing
E.through timing
第1题:
NE80E的POS接口支持哪几种帧格式()
第2题:
On an ONS 15454 node you can tunnel a(n) ().
第3题:
A SONET network typically uses which of the following transmission media?()
第4题:
Which type of interference is produced by other transmitters on the same frequency? ()
第5题:
Which timing mode is most appropriate for an ONS 15454 that has lost its BITS-1 and optical references?()
第6题:
On an ONS 15454 node you can tunnel an ().
第7题:
Which of the following uses a ring topology?()
第8题:
SDH circuit over a SONET network delivering it as an SDH signal
SDH circuit over a SONET network delivering it as a SONET signal
SONET circuit over an SDH network delivering it as an SDH signal
SONET circuit over an SDH network delivering it as a SONET signal
第9题:
DUS
line timing
loop timing
internal timing
through timing
第10题:
line timing
loop timing
internal timing
through timing
external timing
第11题:
line timing
loop timing
internal timing
through timing
external timing
第12题:
DUS
line timing
loop timing
internal timing
through timing
第13题:
Which timing mode is appropriate for an SDH NE that is adjacent to an SDH NE Bits-1 timing? ()
第14题:
Which three timing modes are supported on the ONS 15454 shelf? ()(Choose three.)
第15题:
Which three timing modes are supported on the ONS 15454 shelf? ()
第16题:
What type of interference is produced by other transmitters on the same frequency? ()
第17题:
Which of these technologies is characterized as being a multipoint Layer 2 VPN that connects twoor more customer devices using Ethernet bridging techniques?()
第18题:
Which timing mode is appropriate for a SONET NE that is adjacent to a SONET NE using BITS-1 timing source?()
第19题:
Which three SONET network elements are used for troubleshooting?()
第20题:
line timing
loop timing
internal timing
through timing
external timing
第21题:
line
path
circuit
section
segment
第22题:
line timing
loop timing
internal timing
through timing
external timing
第23题:
DPT
MPLS
VPLS
CWDM
DWDM
SONET/SDH