The following is about setting up the LDP LSP. Is the description correct?

• A.When the topology of the network causes the next hop to change to the neighbor, use the free-hold label
  to directly use the original non-next hop LSR.
  Rapid reconstruction label LSP
• B.Label release in the DoD FEC LSR mode, in the specific pair, no need to obtain the message from the
  upstream, the distribution and distribution of the label, please enter the label
• C.By default, the same LSR FEC is targeted, and the received mapping can only be from the next hop
  label, not from the next hop.
• D.The establishment of the LSP FEC LSP LSR is to tie the actual and the demarcation label and bind the
  notification to the upstream process.

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If more than one candidate group is selected for RP RP RP ( ) in a broadcast, the election of multiple
candidates from the multiple candidates is more selective than the following parameters.

• A.C-RP's priority
• B.Number of the C-RP interface
• C.The mask of the C-RP service that matches the address of the added group.
• D.Address of the C-RP IP interface

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If no area is divided, which of the following statements regarding the link-state routing protocol are true?

• A.Routers in the same routing domain may repeatedly receive the same link state information.
• B.Routers in the entire routing domain have the same LSDB.
• C.Each router establishes a routing domain topology.
• D.Each router learns routing entries from updated routing information and adds them to the routing table.
• E.The router sends all link state information from a neighbor to all other neighbors to ensure data synchronization in the database.

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Many transition technologies have been adopted to replace IPv4 addresses on networks with IPv6 addresses. These technologies are categorized into IPv4/IPv6 coexistence technologies and IPv4/IPv6 interoperability technologies. Which of the following technologies are considered to be IPv4/IPv6 coexistence technologies?

• A.NAT64
• B.ISATAP
• C.IPv6 over IPv4
• D.Dual Stack

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Which of the following are found in a basic Network Layer Packet? (Multiple Choice)

• A.Network Layer Header
• B.Upper Layer Data
• C.Path records
• D.Data Link Layer Header
• E.Network Layer Trailer

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