A.AMI
B.ESF
C.DUS
D.SSM
E.B3ZS
F.B8ZS
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A.DUS
B.line timing
C.loop timing
D.internal timing
E.through timing
A. ESF
B. PRS
C. DUS
D. SMC
E. B8ZS
A. J0 errors detected in a specified interval
B. errors detected in a given Errored Second (ES)
C. errors detected in a given Severely Errored Second (SES)
D. errors the encryption algorithm detects in a specified interval
E. Bit Interleaved Parity (BIP) errors detected in a specified interval
A. prevent the leakage of external fiber emissions
B. provide the optical network with the highest level of security possible
C. assure an even distribution of 1's and 0's for extended transmitter life
D. assure an adequate number of transitions for clock recovery at the receiver
E. prevent the receiver from assuming AIS inadvertently when all 0's are received
A. fibers are terminated incorrectly on a node
B. the channel number in the received K1 byte is not identical to the channel number transmitted in the K2 byte
C. the channel number in the received C1 byte is not identical to the channel number transmitted in the C2 byte
D. the channel number in the received C2 byte is not identical to the channel number transmitted in the C1 byte
E. the channel number in the received K2 byte is not identical to the channel number transmitted in the K1 byte
最新試題
How is a Thin Film filter fabricated?（）
On an ONS 15454 node you can tunnel an （）.
What are three factors that limit the maximum distance of an amplified optical signal without regeneration? （）(Choose three.)
If the power is 0 dBm, what is the power in mW?（）
Click the Exhibit button. Which type of multiplexer is shown in the exhibit?（）
For lasers with tightly controlled wavelengths, approximately how far apart are the centers of adjacent wavelengths when 100 GHz spacing is used in a DWDM system?（）
Which timing mode is appropriate for a SONET NE that is adjacent to a SONET NE using BITS-1 timing source?（）
The ONS 15216 is a 32-channel system. The ONS 15216 OADMs are capable of adding and dropping one, two, or four channels. How are the OADMs provisioned to add and drop specific channels?（）
What is the difference between the transmitted power and the sensitivity of the receiver?（）
UPSR protection switching is initiated by （）, while BLSR is initiated by （）.