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Free H12-891_V1.0 Exam Braindumps (page: 15)

Page 14 of 153
PDF with 610 Questions

Off-stem cross-domain VPN-Option B scenario, the following description is incorrect?

  1. During the packet forwarding process, it is necessary to exchange the VPN's private network LSP on the
  2. two ASBRs IP-EBGP neighbor relationships.
  3. The cross-domain VPN-Option B scheme is not limited by the number of interconnection links between ASBRs
  4. The outer layer tag is exchanged between two ASBRs to vpnV4 routes.

Answer(s): D



Regarding the description of the BGP neighbor, the error is:

  1. BGP routers that support autodiscovery neighbors
  2. BGP establishing neighbors must be configured with MD5 authentication
  3. BGP needs to establish a UDP connection before establishing a neighbor
  4. BGP to establish a neighbor relationship needs to first interact with the link state information

Answer(s): A,B,C,D



A lot of overwave techniques have emerged in the process of replacing the IPV4 addresses used in the network with lP6 addresses. These technologies are divided into two categories, one is IP4IPV6 coexistence technology, the other is PA/IP>6 interoperability technology, which of the following options sleep in IPv4/IPv6 coexistence technology?

  1. NAT64
  2. IPv6 over IPv4
  3. Dual Stack
  4. ISATAP

Answer(s): B,C,D



The following is an error in the OSPF routing calculation (single choice).

  1. Compared to the PRC algorithm, the ISPF algorithm only calculates the changed leaf nodes when the route changes PRC algorithm to recalculate routes
  2. When the first and second class LSAs on the network change, OSPF uses the ISPF algorithm to recalculate the routes The
  3. OSPF router uses the FULL SPF algorithm to calculate all nodes in the network when initially calculating routes

Answer(s): A






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