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HCNP-R&S-IERN (Huawei Certified Network Professional-Implementing Enterprise Routing Network) (H12-221) - Huawei Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
225 Total Questions
1
Question
By default, the cost of an OSPF interface is calculated based on the bandwidth. The formula to calculate the cost is reference bandwidth/interface bandwidth.
Options
A FALSE
B TRUE
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2
Question
Route filtering can filter not only routing information but also link-state information.
Options
A FALSE
B TRUE
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3
Question
Routes 172.1.12.0/24, 172.1.13.0/24, 172.1.14.0/24, and 172.1.15.0/24 can be summarized into
route 172.1.8.0/21.
Options
A FALSE
B TRUE
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4
Question
Which of the following BGP attributes are well known mandatory attributes? (Select 3 answers)
Select 3
Options
A COMMUNITY
B MED
C AS_PATH
D NEXT_HOP
E LOCAL_PREF
F ORIGIN
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5
Question
What are the differences between the IGMP versions 1, 2 & 3? (Select 2 answers)
Select 2
Options
A IGMPv1/v2 do not support group-specific queries but IGMPv3 does.
B IGMPv2/v3 members can actively leave groups, whereas in IGMPv1members cannot
C IGMPv1/v2 do not support the SSM service model but IGMFV3 does.
D IGMPv1/v2 cannot elect devices which may send queries but IGMPv3 can.
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