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Which of the following is the basic requirement of the DWDM system in the light source?
Suppose 2 VC-12 time slots need to be bound to the VCTRUNK1 of the N2EFS4 board. When there are 8 VC4 slots on the N2EFS4 board, which of the following slots meets the requirements?
Bait-doped fiber amplifiers (EDFAs) are a key component of the new generation of optical communication systems. Which of the following is the feature of EDFA? Multiple Choice) □
By default, B2-EXC alerts are reported when the number of B2 bit errors exceeds the () threshold.
In the system control unit, which of the following databases does not lose data after a power failure? (Multiple choice).
Which of the following bytes can be used for wired phones between two REG devices?
OTM nr.m consists of up to n " multiplexed channels and does not support non-channel-related overhead. The letter "r" indicates a decrease in functionality.
Which of the following statements regarding the sequence of signal flows between the SDH interface and the cross-connecting unit is correct?
The scope of management of OMSn is the path from the input optical port on the multiplexer unit of the sending site to the output optical port on the multiplexer unit of the receiving site, called the optical multiplexing segment (OMS) path.
Coherent receiver technology uses a local oscillator laser with the same frequency as the received signal to perform coherent processing and recover () information from the received signal. (Multi-quality selection.)
Which of the following is not a condition that triggers multiplexed segment protection (MSP)?
The AAC address consists of 46 bits and is globally unique
Which of the following - is the meaning of the eighth-digit MAC address with 1?
The 1510nm optical monitoring channel can be effectively amplified after passing through EDFA.
Which of the following is the frame indicated by the VC-4 J1 byte by the AU pointer of the current frame?
If the overhead bytes pass through two plugged backplane buses, then the two slots are called paired slots that enable automatic transparent transfer of overhead bytes, such as (), () and (). Even if the SCC on the local network element The board is offline, which can also improve msP switching performance and protect DCC communication with other network elements. (Multi-quality selection).
If you group SNCP services with the same source, sink, or route, you can increase the SNCP switching speed
When using the LCAS function, which of the following overhead bytes is used to transmit control information? (Multiple Choices)
The clock unit can only access the external clock source as the timing signal source of the system through the external clock interface. In addition; It can also output a processed clock and provide a clock source for other devices that need timing.
In WDM systems, it is ideal to use a dielectric thin film filter (TFF) when using less than () wavelengths.
TESTED 25 Apr 2024
