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| Section | Objectives |
|---|---|
| Transmission Network Technologies | - DWDM/ROADM technologies - Optical layer networking and protection mechanisms |
| IPRAN and Converged Transport | - IPRAN architecture and deployment scenarios - Synchronization and timing in transport networks |
| Optical Transport Network Fundamentals | - OTN technology and frame structure - SDH/SONET principles and architecture - WDM system fundamentals |
| Network Planning and Maintenance | - Transmission network design principles - Fault management and performance monitoring |
1. Which of the following reasons will form discrete services on network management?
A) The service between two network elements in the same network management, under the premise that the correct time slot is selected, the cross-connection of one network element is delivered through the U2000, and the other is delivered through the command line software and the network management is not uploaded
B) Intermediate network element service cross-connection is not configured
C) In 5.0 platform equipment, a certain network element in a complete path is not in the current network management
D) A complete path is configured between the online NE and the pre-configured NE
2. N3EGS2 supports which of the following protections?
A) TPS
B) BPS
C) DLAG
D) PPS
3. When configuring client-side 1+1 protection, if the working OTU and the protection OTU are on different network elements, the control channel board type can be OLP or SCS board
A) TRUE
B) FALSE
4. XPIC can be used in conjunction with ATPC, but it is generally not recommended.
If it needs to be used together, what should be paid attention to? (multiple choice)
A) Set the ATPC lower threshold to be greater than the planned AM sensitivity under the full-capacity modulation mode plus 14dB.
B) The horizontal polarization direction link and vertical polarization direction link of a group of XPIC should be configured with the same ATPC parameters (ATPC enable, ATPC adjustment threshold).
C) If AM is used in conjunction, set the upper threshold of ATPC to the lower threshold plus 5dB.
D) Set the ATPC upper and lower threshold difference as small as possible, and the recommended value is 5dB.
5. Is the following statement about the ISU2 board of the RTN 900 wrong?
A) Support Native STM-1 + Ethernet mixed mode
B) Support E1 priority
C) Support XPIC function
D) Support MPLS and PWE3
Solutions:
| Question # 1 Answer: A,B | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: B,D | Question # 5 Answer: C |
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