Which statements about BGP route reflection are true? (Multiple Choice)

• A.After learning routes from a client, an RR advertises these routes to all other clients and non-clients.
• B.After learning routes from a non-client, a route reflector (RR) advertises these routes to all clients.
• C.IBGP peers must be fully connected in the absence of a route reflector (RR). The BGP route reflection mechanism is introduced to lower the requirement.
• D.After learning routes from an IBGP peer, an RR advertises these routes to all clients and non-clients.

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Which of the following attacks are DoS (Denial of Service) attacks? (Multiple Choice)

• A.Man-in-the-middle attack
• B.Single packet attack
• C.Source IP address spoofing attack
• D.Flood attack

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Mainstream large-scale Layer 2 technologies include VXLAN, TRILL, NVGRE, and MPLS.

• A.False
• B.True

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The following topology and configuration are available. Which of the following statements are correct? (Multiple Choice)

• A.There is no route with the destination network segment being 10.0.2.2/32 on R1.
• B.There is no route with the destination network segment being 10.6.3.3/32 on R1.
• C.There is a route with the destination network segment being 10.0.2.2/32 on R1.
• D.There is a route with the destination network segment being 10.6.3.3/32 on R1.

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Which of the following options is correct for the assertion mechanism?

• A.In the assertion mechanism, loser shut down the interface connected to the broadcast network.
• B.The assertion mechanism is used for the election of the DR.
• C.The size of the IP address will not be used as a condition for election during the election of the winner.
• D.In the assertion mechanism, winner is responsible for forwarding multicast data to the broadcast network segment.

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