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Free Huawei H12-891_V1.0 Exam Braindumps

The following description of the characteristics of multi-instance CE is ?

  1. Since the MCE device is already bound to the VPN, there is no need to bind the VPN on the PE connected to the MCE device
  2. The MCE device can determine the source of the routing information according to the interface that receives the routing information, and maintain it in the route forwarding table of the corresponding VP.
  3. MCE is implemented by creating their own routing forwarding tables for different VPNs on the MCE device and binding to the corresponding interface o
  4. Configuring MCE enables a CE to connect to multiple VPNs at the same time, which can
    not only completely isolate the service between different VPN users, but also reduce the input cost of network equipment.

Answer(s): A



When a Layer 3 switch sends IP packets originating from one VLAN to another LAN, which field in the following options is overridden?( Single choice questions).

  1. Three layers of TTL
  2. Layer 3 destination address
  3. Layer 3 source address
  4. Layer 3 Transport Protocol
  5. Two-tier TTL

Answer(s): A



A home user has opened a 1Mb/s bandwidth, and in order to improve the user experience, the operator can stabilize 2Mb/s when measuring speed If we use the listening bucket technology to achieve this requirement, which of the following methods is optimal.

  1. cir 10000 pir 12000
  2. cir 10o00 cbs 12000 pbd 12000
  3. cir 8000 pir 12000
  4. cir 10000 cbs 10000 pbs 12000

Answer(s): A



What is the wrong description of the function of OSPFv3 protocol authentication?

  1. OSPFv3 can only establish a security alliance SA using manual mode
  2. Huawei router OSPFv3 IPSec authentication can not only support transmission mode, but also support tunnel mode
  3. OSPFv3 authentication relies on IPv6 packet authentication headers and encapsulation
    security net load headers
  4. The OSPFv3 protocol header removes the Type and Automation fields

Answer(s): B






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