HCNP-RS-IERN (Huawei Certified Network Professional-Implementing Enterprise Routing Network)

Here you have the best Huawei H12-221 practice exam questions

You have 225 total questions to study from
Each page has 5 questions, making a total of 45 pages
You can navigate through the pages using the buttons at the bottom
This questions were last updated on December 30, 2025
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Question 1 of 225

Enabling MD5 authentication between BGP peers can prevent DoS attacks that target BGP peers.

TRUE

FALSE

Correct Answer: A

Question 2 of 225

Which of the following statements are correct regarding OSPF intra-area route calculation? (Select 2 answers)

Each OSPF router uses only one Router LSA to describe the local active link state for an area.

Each OSPF router uses more than one Router LSA to describe local active link state for an area.

One Router LSA describes only one link,

One Router LSA describes more than one link.

Correct Answer: A, D

Question 3 of 225

Which of the following is the address range assigned by IANA for SSM service in IPv4?

232.0.0.0/24

225.0.0.0/8

232.0.0.0/8

239.0.0.0/8

Correct Answer: D

Question 4 of 225

Which of the following are multicast routing protocols? (Select 3 answers)

DVMRP

PIM-DM

OSPF

PIM-SM

Correct Answer: A, B, D

Question 5 of 225

Which of the following route entries match the IP-Prefix defined below? ip ip-prefix test index 10 permit 192.168.0.0 16 greater-equal 24 less-equal 28
(Select 2 answers)

192.168.1.0/24

192.10.2.0/24

192.168.3.0/25

192.168.4.0/30

Correct Answer: A, C