Which of the following are the most common services that belong to triple play access?

• A.Dedicated line business
• B.VoIP business
• C.Internet access business
• D.IPTV business

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Is the following description correct? ICMPIs a link layer protocol,ICMPThe message is triggered by the physical layer, and then byIPLayer or higher layer protocol to respond.

• A.False
• B.True

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In the 802.1Q tag header, how many digits is the VLAN ID field, and how many VLANs can be specified in total?

• A.10;1024
• B.4;16
• C.12;4096
• D.8;256

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OneVLANWhat kind of domain can it be regarded as?

• A.Broadcast domain
• B.Physical area
• C.Conflict domain
• D.Management domain

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In the UA5000 chassis with PVM as the main control board, which statement about the user board is correct?

• A.If it is an ASL board, it needs to be added manually, if it is an A32 board, it is automatically discovered
• B.If it is an A32 board, it needs to be added manually, if it is an ASL board, it is automatically discovered
• C.Automatic discovery
• D.Must be added manually

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