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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
Which of the following problems can be solved by IGMP Snooping?
Options
A Validity of IGMP Report messages.
B A router receives large quantities of IGMP Report messages due to the existence of large number of hosts on the network.
C Broadcasting of multicast data on Layer 2 devices.
D Receiver hosts support only IGNPv2, but only the SSM model is used on the network.
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2
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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3
Question
If the default-route-advertise command is used to advertise a default BGP route to peers, how will
this operation affect the local BGP routing table?
Options
A A default route will be generated in the local BGP routing table. Whether this route is delivered to the IP routing table depends on route selection results.
B An active default route will be generated in the local BGP routing table which will be delivered to the IP routing table.
C The local BGP routing table will not be affected and no default route will be generated.
D An inactive default route will be generated in the local BGP routing table which will not be delivered to the IP routing table.
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4
Question
We can have different network segments in an OSPF area. We can also have same network segment in different OSPF areas.
Options
A FALSE
B TRUE
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5
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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