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 across 45 pages (5 per page)
These questions were last updated on February 14, 2026
This site is not affiliated with or endorsed by Huawei.

Question 1 of 225

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

TRUE

FALSE

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.

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

Question 4 of 225

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

DVMRP

PIM-DM

OSPF

PIM-SM

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

About the Huawei H12-221 Certification Exam

About the Exam

The Huawei H12-221 (HCNP-RS-IERN (Huawei Certified Network Professional-Implementing Enterprise Routing Network)) validates your knowledge and skills. Passing demonstrates proficiency and can boost your career prospects in the field.

How to Prepare

Work through all 225 practice questions across 45 pages. Focus on understanding the reasoning behind each answer rather than memorizing responses to be ready for any variation on the real exam.

Why Practice Exams?

Practice exams help you familiarize yourself with the question format, manage your time, and reduce anxiety on the test day. Our H12-221 questions are regularly updated to reflect the latest exam objectives.