Huawei H12-221 Exam
HCIP-Routing&Switching-IERS (Huawei Certified ICT Professional-R&S-IERS) (Page 4 )

Updated On: 7-Feb-2026

Which of the following connection types can a Router LSA describe? (Select 3 answers)

  1. Point-to-point
  2. Star
  3. Transit
  4. Virtual link

Answer(s): A,C,D



BGP peers are automatically discovered by exchanging multicast packets.

  1. TRUE
  2. FALSE

Answer(s): B



Which of the following describes the relationship between BGP and AS?

  1. BGP only runs between ASs, and cannot run within an AS.
  2. BGP is an EGP used by ASs to exchange routing information with other ASs.
  3. BGP builds network topologies by exchanging link-state information between ASs.
  4. BGP cannot run between ASs.

Answer(s): B



If the subnet mask for Class A address is 255.255.240.0, how many bits are used for subnetting?

  1. 4
  2. 5
  3. 9
  4. 12

Answer(s): D



When running in non-broadcast networks, OSPF uses one of the two modes: NBMA or P2MP.

  1. TRUE
  2. FALSE

Answer(s): A



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