The HUAWEI VP9630/50 can be configured with two power modules. While sharing the power load of the whole equipment. Each power supply module can be divided into a full-load configuration to provide sufficient power. Implement double backup of the power supply module [single choice].

• A.True
• B.False

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After the user has activated the differential ringing service, you can understand the type of user who is the main caller through the ringing mode of the telephone, and the difference ringing cannot distinguish which of the following call scenarios? [Single Selection].

• A.Ringing difference between busy/unanswered callbacks
• B.Call forward ringing differently
• C.Ring differently inside and outside the group
• D.Ringing between inside and outside the bureau

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What is the minimum bandwidth required when the TE series transmits a video stream of 1080P30? [Multiple choice question].

• A.1Mbps
• B.384kbps
• C.512kbps
• D.2Mbps

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The U1900 in the IPT scheme provides [multiple selection].

• A.Manager's secretary
• B.One-number pass
• C.Voice conferencing
• D.Contacts

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IP Phone 7920 has () programmable keys? [Single Selection].

• A.10
• B.20
• C.0
• D.4

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