Since BGP is an EGP routing protocol, BGP routing policies can only be deployed between EBGP neighbors.
The routing policy deployed between IBGP neighbors is invalid.

• A.False
• B.True

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According to this picture, what can we judge? (Multiple choice)

• A.R4 belongs to Level-1 only
• B.The device whose system-ID is ee8c. a0c2.baf2, and its type is Level-1
• C.R4 belongs to Level2 only
• D.The device whose system-ID is ee8c.a0c2.baf2, and its type is Level-1-2

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Regarding multi-instance CE (Mlulti-VPN-Instance CE, MCE), which of the following description is wrong?

• A.Devices with MCE function can access multiple VPN instances in BGPIMPLS IP VPN applications, reducing user investment in network equipment
• B.Users connected to the same MCE but not belonging to a VPN instance cannot access each other
• C.On the MCE device, you need to create separate routing and forwarding tables for different VPNs, and bind them to the correct interface
• D.There must be multiple physical links between MCE and PE to achieve isolation between different VPIN instances

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Which of the following regarding the configuration description is wrong?

• A.Enabling the DHCP Snooping configuration can be used to prevent DHCP Server counterfeiters from attacking
• B.If the DHCP request message received by the GigabitEthemnet0/0/1 interface does not contain the SutOption information of Option82, the device will generate Option82 and insert it into the message
• C.Configure GigabitEthernet0/0/1 as a trusted interface
• D.Enabling the DHCP Snooping configuration can be used to prevent ARP spoofing attacks

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Regarding the MPLS forwarding process, the description of Ingress node forwarding is correct:

• A.CheckNHLFETable entry, you can get outbound interface, next hop, outbound label and label operation type The label operation type isPush
• B.IngressAfter the node receives the data packet, it will first checkILMlooking forTunnel ID
• C.existIPThe obtained label is pressed into the packet, and according to theQoSPolicy processingEXRSimultaneous processingL,,Then the packagedMPLSThe packet is sent to the next hop
• D.according toILMtableTunnel IDfind the correspondingNHLFEentry, willLFIBentry andNHLFEtable entry

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