1. The actual effective bandwidth of GPON down is about 2.3g. If all users under the single PON have opened a 1000M package, how many households can be supported?

2. Which is the ONU user-side interface commonly used by Radio and Television ONU?

3. Huawei full-light video back to the network, which equipment is common equipment? (Multiple Choice)

4. Which of the ONT supports the wifi model?

5. In the access-networking of the network, which type ONT can be used for double-fiber three-wave (two-in-one) model?

6. What is the main solution of the current Radio and Television access network reform?

7. For the radio and television snow-bright project, it is used for the return scene of the video business, which type of ONU will consider to use below?

8. The current minimum equipment provided by Huawei's transmission products is ()

9. How many slots does the 1800I enhanced device have besides the main controller?

10. How many wavelengths does Huawei DWDM currently support?

11. Beacon single-slot 1T platform is？

12. Which ZTE device is aligned with the OSN 9800 product？

13. The client layer of OCH in the OTN layer is

14. In the OTN package, how many mini-slots does an ODU4 consist of at most?

15. Which of the following protection methods has the highest cost?

16. Which of the following protection methods has the lowest cost?

17. What is the height of the smallest MSOTN in the industry?

18. The advantages of optoelectronic integrated solutions with built-in PCM include ()? (Multiple choice)

19. In the WDM model, the functional unit that completes the O-E-O conversion is?

20. The maximum crossover capacity of OSN9800 M24 is?

21. What does the board marked in red in the configurator mean?

22. What is the biggest difference between different types of amplifiers?

23. Which of the following statements about ASON technology is wrong?

24. Under the ADM configuration in the shared protection ring of the two-fiber bidirectional multiplex section at the STM-16 level, the service protection conditions are:

25. The timing working mode of SDH equipment is: