Switches use IPSG to verify the source address of IP packets. IPSG obtains the binding table by listening to the address resolution process.

• A.TRUE
• B.FALSE

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Which of the following statements regarding OSPFv3 is false?

• A.Multiple instances can be run on a single link.
• B.Each OSPFv3 process runs independently in a router.
• C.Multiple instances can be run in the same OSPFv3 process on a interface.
• D.The OSPFv3 packet header contains the Instance ID field.

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A DR needs to be elected from a set of candidate PIM-SM routers for multicast data forwarding on the source side or the receiver side. Which of the following statements regarding DR election is true?

• A.DR priorities of the PIM-SM routers are compared first. If their DR priorities are the same, their interface IP addresses are them compared.
• B.The PIM-SM router with the smallest IP address is elected as the DR.
• C.The PIM-SM router with the lowest DR priority is elected as the DR.
• D.The PIM-SM router with the longest interface mask is elected as the DR.

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Which of the following statements regarding IS-IS route leaking are true?

• A.In IS-IS route leaking, the routes to be leaked cannot be summary routes.
• B.IS-IS route leaking can be configured in IPv6 environments.
• C.IS-IS route is used to prevent route loops.
• D.IS-IS route leaking can be configured on Level-1 routers.
• E.IS-IS route leaking will not cause neighbor flapping.

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Router HW1 is seeing a large number of Discard Eligible (DE) frames. In Frame-relay, as part of the Congestion-Control Mechanism, the DE bit works in conjunction with which of the following mechanisms?

• A.Differentiated Services Code Point (DSCP) settings
• B.Forward Explicit Congestion Notification (FECN) of Backward Explicit Congestion Notification (BECN) settings
• C.Type-of-service (ToS) settings
• D.Frame-relay Traffic Shaping (FRTS) settings
• E.Class-to-Service (CoS) settings

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