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Huawei H12-221 Exam
HCIP-Routing&Switching-IERS (Huawei Certified ICT Professional-R&S-IERS) (Page 7 )

Updated On: 7-Feb-2026
Page 7 of 46
PDF with 225 Questions

What command must be configured to establish a BGP connection between indirectly connected EBGP peers?

  1. peer connect-interface
  2. peer valid-ttl-hops
  3. peer ignore
  4. peerebgp-max-hop

Answer(s): D



Which of the following elements are used by Network LSA to describe broadcast or NBMA network segments in OSPF routing protocol? (Select 3 answers)

  1. Link ID
  2. Net mask
  3. Attached Router list
  4. Metric

Answer(s): A,B,C



Based on BGP route selection rules, how are Origin attributes listed in descending order of priority?

  1. EGP > IGP > Incomplete
  2. IGP > Incomplete > EGP
  3. Incomplete > EGP > IGP
  4. IGP > EGP > Incomplete

Answer(s): D



Which statement regarding BGP is false?

  1. BGP runs over TCP.
  2. BGP is an enhanced distance-vector routing protocol.
  3. BGP uses port number 189.
  4. BGP is an inter-AS routing protocol.

Answer(s): C



Which of the following situatbns will occur when the command multicast bad balance" is
configured? (Select 3 answers)

  1. If there exists no unicast equal-cost routes, multicast load balancing fails.
  2. If group address-based load splitting is employed, balanced distribution of entries over equal- cost routes cannot be ensured due to hash function limitations.
  3. Balanced distribution of entries over equal-cost routes can be ensured as long as multicast load balancing is performed.
  4. During multicast load splitting, traffic may not be balanced among equal-cost routes because multicast load balancing is based on multicast entries not multicast data packets.

Answer(s): A,B,D






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