Huawei
H19-410_V1.0 · Question #39
Which of the following descriptions of railway business network security and reliability requirements are incorrect?
The correct answer is D. Business interfaces tend to be IP-based, so physical isolation of business is no longer required. See the full explanation below for the reasoning.
Question
Which of the following descriptions of railway business network security and reliability requirements are incorrect?
Options
- ATDM services and Ethernet services are physically isolated using different hard pipes
- BDifferent Ethernet subsystems use ODUk physical pipes to isolate services
- CE1 services are on the TDM plane, and IP services are on the packet plane. The encapsulation
- DBusiness interfaces tend to be IP-based, so physical isolation of business is no longer required
How the community answered
(52 responses)- A4% (2)
- B8% (4)
- C12% (6)
- D77% (40)
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