Which of the following commands can be used to view BGP VPNv4 routing and BGP private network routing information on the PE?

• A.display bgp routing-table address-family vpnv4
• B.display vpnv4 bgp routing-table
• C.display bgp vpnv4 routing-table
• D.display bgp routing-table ipv4-family vpnv4

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Regarding BGP/MPLS IPVPN data forwarding, which of the following description is wrong?

• A.The outer label during data forwarding can be allocated by LDP
• B.The inner label during data forwarding is assigned by MP-BGP
• C.When data is transmitted on the BCP/MPLS IP VPN backbone network, it always carries two layers of labels
• D.The data sent by the PE to the CE is an IPv4 packet

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When configuring the DHCP Relay function on the device, the VLANIF interface of the relay connected to the client must be bound to the DHCP server group, and the bound DHCP server group must be configured with the proxy DHCP server IP address.

• A.FALSE
• B.TRUE

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Regarding the label space of MPLS, which of the description is wrong?

• A.If the outgoing label value is 0, the router will directly discard the packet
• B.When the penultimate hop LSR performs label switching, if the value of the label after the exchange is found to be 3, the label will be ejected by default and the packet will be sent to the last hop
• C.1024 or more is the label space shared by dynamic signaling protocols such as LDP, RSVP-TE, MP-BGP, etc.
• D.16~1023 is the label space shared by static LSP and static CR-LSP

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Which of the following is not part of the preliminary preparations for the cutover plan?

• A.On-site defense
• B.Cutover target
• C.Risk assessment
• D.Introduction to the current network

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