1. What are the loopback modes supported by the UMG8900 product?

2. OMU dual means OMU provides the active and standby board modes, that is, HA (High Availability) mode.

3. The EC resources can be set on the VPU board or on the ECU board.

4. Which of the following numbers can be configured in the bill number processing table (ADD BILLPROC)? (Multiple Choice)

5. Which process is responsible for the resource management of iGWB, and the resources to be managed include network port, IP, application, etc.?

6. In the case of multiple frames, which board is the IP address to be forwarded to?

7. Acoustic problems include electrical echoes and acoustic echoes. What is required to be processed on the MGW is generally electrical echo. Which kind of call models as the following requires to add EC resources?

8. Which of the following statements about the CKI board are correct? (Multiple Choice)

9. Which of the following number changes can be implemented by the AIDNUMPRO? (Multiple Choice)

10. Which of the following can be used as the number analysis result of the called number analysis table (CNACLD)? (Multiple Choice)

11. Which is the board that can provide the Mc physical interface in the case of centralized IP forwarding?

12. What are the MSRN/HON allocation methods for MSOFTX3000? (Multiple Choice)

13. Which of the following reasons may cause UP initialization failure? (Multiple Choice)

14. What are the correct descriptions of the clocks for the SSM-160 box below? (Multiple Choice)

15. TNSI redistribution, if use the protocol standard migration mode, does not need to configure the service access process to allocate TMSI.

16. Allow the pure signaling network element such as HLR/SCP to be directly connected to the MSC in the MSC Pool, and allow the internal end bureau of the MSC Pool to serve as the gateway bureau to perform TDM/IP interworking.

17. What are the differences between A and Iu-CS interfaces? (Multiple Choice)

18. Which three planes can the ATM protocol stack reference models be divided into? (Multiple Choice)

19. What are the basic elements of performance measurement? (Multiple Choice)

20. The VMGW logically divides the physical MGW device into a plurality of different MGWs, which are respectively managed by different media gateway controllers MGC. Each virtual media gateway device is marked by the IP address registered to the MGC by MGWIG and MGW.