Which of the following IPv6 addresses is/are multicast address(es) within the link range

• A.FF02::1
• B.FF02::2
• C.FF12::1
• D.FF12::2

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If the network administrator does not configure the backbone area, the router automatically make up the backbone area.

• A.FALSE
• B.TRUE

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Refer to the graphic. RTA and RTB are connected to the same Frame Relay switch and use same DLCI number, which following is correct? (Choose two).

• A.RTA and RTB can be associated with different PVC's
• B.The DLCI on the different physical interfaces can be the same
• C.The DLCI on the different physical interfaces cannot be the same
• D.RTA and RTB must be associated with the same PVC

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The following description for the default route is correct:

• A.The default route is a special kind of dynamic routing
• B.The default route is the preferred route to be used
• C.You can manually configure the default route
• D.default route is the route used last

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For the physical layer and data link layer can work, and a STP-enabled device port, STP port roles are defined for three, respectively ().

• A.Disable Port
• B.Designated Port
• C.Root Port
• D.Alternate Port

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