Regarding the one-number pass function, the following statement is correct () [multiple choice].

• A.Call policies enabled at different points in time to distinguish between commuting times
• B.Only one number is needed and it is easy to remember
• C.Whenever, wherever, calls follow
• D.Publish only one number and hide private numbers

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How many E1 ports does U1981 support? (single selection)

• A.28
• B.12
• C.24
• D.4

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Can cloudMCU support (1080P30fps ports) in a high-performance server configuration (2288HV5 2P20C)? [Single Selection].

• A.54
• B.48
• C.24
• D.20

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HUAWEI VP9660 MCU can be configured with two main control boards to carry out real-time backup of important conference information, and when the main single board fails, it can realize millisecond-level service reversal, and the conference is completely unaffected when the reversal occurs. [Multiple Choice Question].

• A.False
• B.True

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Huawei's converged communication solution security includes the following key points () [multiple choices].

• A.Endpoint access security policy
• B.Communication service security policy
• C.Manage plane security policies
• D.IP basic network security policy

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