(Single)When deploying home and guest services in a PON system, which of the following services has the
highest priority?

• A.VOIP
• B.GAME
• C.INTERNET
• D.IPTV

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The maximum spectroscopic ratio supported by 10G EPON is?

• A.1: 256 (Laboratory).
• B.1:64
• C.1:32
• D.1:128

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(Radio) Which of the following options can improve the service experience of multicast users when switching
channels (switching time is shorter)

• A.When you add a multicast user, enable the preview feature
• B.Enables the Quick Leave feature when adding a multicast user
• C.When adding a multicast program, the prejoin feature is disabled
• D.Use group addresses with small values

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In Huawei's u2000 management system, when adding network elements, you can only add -- ones- when you
access the network element.

• A.Right
• B.wrong

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(Radio) In the FTTB/C scenario, ONU is used as an AG device to access the phone, and there is no possible
cause of sound failure for SIP protocol off-hook

• A.ONU and IMS routes are unreachable
• B.There are packet losses in the olt upper-layer network
• C.The ONU side MG interface status is abnormal
• D.The voice server is down

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