Free Huawei H12-261 Exam Braindumps (page: 23)

Type 5 LSAs in OSPF are used to transmit external routes. Which of the following statements regarding Type 5 LSAs is false?

  1. Type 5 LSAs are advertised by ASBRs and flooded on OSPF networks except stub areas and NSSAs.
  2. Filtering policies can be configured on ABRs or ASBRs to filter Type 5 LSAs.
  3. A Type 5 LSA contains the FA address, which is 0.0.0.0. The FA address is reserved only and does not take effect.
  4. Routers in the same area as the ASBR can calculate external routes through intra-area LSAs and Type 5 LSAs.

Answer(s): C



Which of the following statements regarding the stub area in OSPF are true?

  1. A virtual link cannot pass through a stub area.
  2. A backbone area cannot be configured as a stub area.
  3. Type 7 LSAs cannot be flooded to a stub area.
  4. A stub area contains no ASBR.

Answer(s): A,B,D


Reference:

https://support.huawei.com/enterprise/de/doc/EDOC1000141870/4c544c36/example-for-configuring-an-ospf-stub-area



Which of the following statements regarding BGP confederations is false?

  1. By default, sub-AS numbers of a confederation are advertised to BGP peers outside the confederation.
  2. A BGP confederation divided an AS into several sub-Ass. Ass outside a confederation still consider the confederation as an AS.
  3. Confederations can easily detect routing loops inside an AS because EBGP is run between sub-AS’s.
  4. Sub-Ass within a BGP confederation can use private AS numbers. For Huawei NE and AR routers, a maximum of 32 sub-Ass can be configured in a BGP confederation.

Answer(s): A



Which layers are shared in the OSI reference model and TCP/IP model?

  1. Presentation layer
  2. Application layer
  3. Transport layer
  4. Session layer
  5. Data link layer

Answer(s): B,C,E






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