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Question 17/89

The optical amplifier unit compensates for line losses and extends the transmission distance. Connecting multiple optical amplifier units in cascaded mode allows for extended transmission distances without following the system.

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Question List (89q)
Question 1: In the SDH optical synchronous transmission system, which of...
Question 2: The receiver performs a BIP-8 check on unscrambled STM-16 fr...
Question 3: Which of the following is the VLAN classification method? (M...
Question 4: When using the LCAS function, which of the following overhea...
Question 5: STM-64 has an () AU pointer.
Question 6: Which of the following is the electrical layer cost of OTN? ...
Question 7: WDM transmits optical signals multiplexed at multiple rates ...
Question 8: Which of the following is the multiplexing method of SDH?...
Question 9: Which of the following bytes in the regenerator part overhea...
Question 10: Which of the following different types of ESC are divided ac...
Question 11: Which of the following are communication quality alerts? (Mu...
Question 12: When the U2000 is synchronized, the same network metadata as...
Question 13: When configuring LMSP, there are two switching modes: single...
Question 14: Which of the following is photolayer tracking? (Multiple Cho...
Question 15: The Raman amplifer uses which of the following effects?...
Question 16: In WDM systems, it is ideal to use a dielectric thin problem...
Question 17: The optical amplifier unit compensates for line losses and e...
Question 18: LCK insertion takes precedence over AIS insertion. That is, ...
Question 19: NE A and NE B are adjacent NE If B3 and low-order Falses occ...
Question 20: The scope of management of OMSn is the path from the input o...
Question 21: The difference between dispersion compensation fibers and or...
Question 22: Which of the following statements about extending the ECC is...
Question 23: In MSP networking, when the optical fiber is connected betwe...
Question 24: Which overhead below 112 is not ODUk overhead?...
Question 25: According to ITU-T's recommendations, the requirement that t...
Question 26: U2000 can flexibly interconnect with different third-party n...
Question 27: When using a script to back up and restore network configura...
Question 28: What of the following operations may interrupt the network e...
Question 29: When the ACT indicator of the SDH board is off, it means tha...
Question 30: Which of the following is affected by changing the element I...
Question 31: In the system control unit, which of the following databases...
Question 32: Only one TCM can be used at one site...
Question 33: When configuring VLAN-based service types, which of the foll...
Question 34: The index is used to folio and delineate the starting positi...
Question 35: Which of the following is the difference between an AU point...
Question 36: According to the formula "ODUk rate = 239/(239k) x STM-N fra...
Question 37: The value of the MFAS byte increases with the sequence numbe...
Question 38: Which of the following maintenance signals is transmitted fr...
Question 39: When the bridge uses ivl learning mode, an entry in the MAC ...
Question 40: Which of the following is the basic requirement of the DWDM ...
Question 41: Which of the following statements about the advantages of OT...
Question 42: Which of the following is the functional unit that provides ...
Question 43: The clock unit can only access the external clock source as ...
Question 44: Optical module parameter "L-64.2" in "2" indicates which of ...
Question 45: During service configuration, there are two time slot modes....
Question 46: An unprotected chain consists of four net elements; ME1, NE2...
Question 47: Which of the following alarm/event storage modes does U2000 ...
Question 48: Which of the following is the steps to multiplex a low-speed...
Question 49: Manual configuration will clear the data on the NE side...
Question 50: Which of the following is the frame indicated by the VC-4 J1...
Question 51: If a network port that supports autonegotiation is connected...
Question 52: Which of the following layers define the protocols that cont...
Question 53: Which of the following statements about the EFS4 board are c...
Question 54: When performing fiber cut-off test on an ordinary MSP ring, ...
Question 55: For alignment; Indicates the starting position of VC-n in th...
Question 56: Which of the following is the meaning of SFD in the Ethernet...
Question 57: The AAC address consists of 46 bits and is globally unique W...
Question 58: In WDM systems, it is ideal to use a dielectric thin film fi...
Question 59: Coherent receiver technology uses a local oscillator laser w...
Question 60: When the low-level resources of the device are insufficient,...
Question 61: A PAUSE frames use reserved multicast addresses and are not ...
Question 62: Which of the following methods can be used to multiplex low-...
Question 63: Which of the following statements regarding the sequence of ...
Question 64: In the case of SNCP, the board selectively receives the serv...
Question 65: For osn3500, which of the following boards provides centrali...
Question 66: The number of bit False blocks on each VC4 channel is detect...
Question 67: The number of ODU2e signals multiplexed into the ODU3 signal...
Question 68: Which of the following is not a nonlinear effect?...
Question 69: Linear MSP (LMSP) has two modes: 1+1 and 1:1. Additional ser...
Question 70: Optical module parameter "L-64.2" in the "2" indicates which...
Question 71: Which of the following can be configured as the monitoring t...
Question 72: When the working PQ1 board is oversized, the device will per...
Question 73: Which of the following statements about the clock source are...
Question 74: Which of the following logical function modules is used to g...
Question 75: Fiber loss includes bending loss, absorption loss and scatte...
Question 76: In the Windows operating system, the log files of the U2000 ...
Question 77: The segment overhead of STM-4 is () bytes/frame....
Question 78: PDM uses a polarization beam splitter to divide the laser in...
Question 79: Compared with dense wavelength division multiplexing (DWDM) ...
Question 80: When the J1 byte does not match, an alarm () is reported and...
Question 81: In the case of a 1+1 linear MSP, which of the following swit...
Question 82: Which of the following are the service board types for MSTP ...
Question 83: The rate of SF64 and SL64 boards is STM54. Therefore, the tw...
Question 84: Which of the following are the components of the WDM system ...
Question 85: OSN1500/2500/3500/7500 supports DC and AC power inputs....
Question 86: When the sender detects that the b6-b8 of the K2 byte is 110...
Question 87: OChr means the use of electrical monitoring technology....
Question 88: Which of the following clock operating modes supports the IT...
Question 89: Configuring the EPLAN service as a ring is not recommended. ...