Which of the following reserved IP multicast addresses is the address of all PIM routers?

• A.224.0.0.2
• B.224 0 0.13
• C.224 0 0 4
• D.239.0.0.2

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Which of the following statements about the VPLS packet forwarding are true?

• A.If the destination MAC address of a packets is not a broadcast address and a PE has not learned the MAC address, the PE broadcast this packet in on VSI.
• B.If a PE receives broadcast packets from a local user, the PE forwards the packets to all other interfaces In the same VSI and all other PEs.
• C.If a receive broadcast packet sent a remote PE, it forwards the packet only to the AC interface instead of other PEs.
• D.If the destination MAC address of a packet is not a broadcast address and a PE has not learned the MAC address, the broadcast this packet in one VSI

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Exhibit:

As shown in the figure, external route 1.1.1.0/24 is imported to RTA that is located in the NSSA area RTD is a backbone area router. RTB and RTC are both area border router (ABRs). OSPF configuration are as follows.

Which statement is true?

• A.RTD receive an external LSAs whose LS_ID is 1.1.1.0 and advRouter is 2.2.2.2.
• B.RTD receive two external LSAs whose LS_ID is 1.1.1.0
• C.RTD receive an external LSAs whose LS_ID is 1.1.1.0 and advRouter is 3.3.3.3.
• D.RTD receive an external LSAs whose LS_ID is 1.1.10/24 based on category 7 LSAs sent by RTA

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Exhibit.

Which statement about inter-AS MPLS VPN Option_B is false?

• A.When ASBRs are directly connected, packets transmitted on the VPN between them have only one
  label.
• B.When ASBRs are directly connected, VPN traffic can be forwarder between them only after MPLS is
  enabled on the interfaces.
• C.The undo policy vpn-target command must be configured in the VPN4 address family view of the BGP
  neighbor of the ASBR to prevent routes from being filtered automatically.
• D.The ASBR cannot be used as a PE simultaneously and a CE cannot be connected to an ASBR.

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An interface sends 300 Mbit/s user BE traffic. The downstream HQoS scheduling is configured at this interface as follows SQ: cir 15 Mbit/s pw 200 Mbit/s FQ. queue be Ipq shaping 10 CQ: port-queue be Ipq shaping shaping-percentage 10 outbound, port shaping 100 How much traffic is at the downstream outbound interface after HQoS scheduling?

• A.10 Mbit/s
• B.100 Mbit/s
• C.200 Mbit/s
• D.20 Mbit/s

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