NO.67 The railway wireless delay gradually evolves from GSM-R to LTE-R, so the transmission equipment no longer needs to be compatible with the original SDH service.

NO.68 What are the main needs of the township network of Radio and Television County? (Multiple choice)

NO.69 The OLT product MA5800 supports high-density 48-port GE and 8-port 10GE aggregation boards.

NO.70 Which of the following is the purpose of government transformation? (Multiple choice)

NO.71 In a project, the customer’s ONU port requirements are 4GE+2pots. Which products are met? (Multiple Choice)

NO.72 Which of the following is not the key message of the “IP+Light” fusion solution?

NO.73 The frame rate of ODU0 is 1.25Gbits/s, the frame rate of ODU1 is 2.5Gbits/s, and the frame rate of ODUflex is 40Gbits/s.

NO.74 What value can self-built optical transmission networks bring? (Multiple choice)

NO.75 What information points can be connected to the classroom exclusive ONU P613E exclusively on the smart classroom? (Multiple Choice)

NO.76 MPLS-TP is jointly developed by which of the following two standards organizations? (Multiple choice)

NO.77 The MA5621 device is an industrial-grade device developed by Huawei for the energy industry. The device has 4kv lightning protection capability.

NO.78 Disaster recovery of financial data centers can reduce the loss caused by disasters.

NO.79 Among the many protective solutions of PON technology, which protection method achieves the protection of the main optical fiber, and supports the protection of OLT disaster tolerance. Even if one OLT fails, OLT placed in another place can immediately take over all services?

NO.80 Full-light Hospital usually has multiple networks coexisting, including which of the following? (Multiple Choice)

NO.81 What is wrong about EA5800?

NO.82 The number of large data centers is increasing, but small and medium-sized data centers are still the majority.

NO.83 The timing working mode of SDH equipment is:

NO.84 What are the typical OTN scenarios? (Multiple choice)

NO.85 Which of the following is the protection of WDM? (Multiple choice)

NO.86 WDM can usually be divided into which types of equipment? (Multiple choice)

NO.87 SAN certification mainly refers to the certification of which manufacturers? (Multiple choice)

NO.88 What are the requirements for high-definition video on the network? (Multiple choice)