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Free H12-221: HCNP-RS-IERN (Huawei Certified Network Professional-Implementing Enterprise Routing Network) Exam Questions and Answers
Last updated: March 30, 2025
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147-H12-221: HCNP-RS-IERN (Huawei Certified Network Professional-Implementing Enterprise Routing Network)
#Question
What is the function of a network policy server in 802.1X security?
A.
To manage authentication
B.
To provide IP addresses
C.
To monitor network traffic
D.
To encrypt data
Correct Answer:
A
A network policy server (NPS) manages authentication, authorization, and accounting for users accessing a network via 802.1X security.
#Question
What does STP help prevent in a switched network?
A.
Network congestion
B.
IP address conflicts
C.
Broadcast storms
D.
Network security threats
Correct Answer:
C
STP (Spanning Tree Protocol) helps prevent broadcast storms by ensuring that redundant paths in a network topology do not create loops.
#Question
What DHCP message is sent from a client to request an IP address?
A.
DHCP ACK
B.
DHCP Offer
C.
DHCP Discover
D.
DHCP Release
Correct Answer:
C
The DHCP Discover message is sent by clients to request an IP address from the DHCP server during initialization.
#Question
How can VoIP improve business communications?
A.
By eliminating need for email
B.
By providing multimedia capabilities
C.
By reducing latency
D.
By increasing hardware costs
Correct Answer:
B
VoIP (Voice over Internet Protocol) facilitates real-time voice and video communication, enhancing overall business communication.
#Question
Why is it essential to monitor bandwidth usage in a network?
A.
To limit connections
B.
To identify bottlenecks
C.
To reduce overall costs
D.
To increase speed
Correct Answer:
B
Monitoring bandwidth usage helps identify bottlenecks in network performance, allowing for adjustments to improve data flow.
#Question
How does a packet-filtering firewall work?
A.
Encrypts traffic
B.
Monitors bandwidth
C.
Blocks traffic based on IP addresses
D.
Examines data payloads
Correct Answer:
C
A packet-filtering firewall blocks or allows traffic based on specified rules that may address IP addresses, port numbers, and protocols.
#Question
What function does a VPN concentrator serve?
A.
Filter internet traffic
B.
To manage IP addresses
C.
Aggregate multiple VPN connections
D.
Provide encryption for remote access
Correct Answer:
C
A VPN concentrator aggregates multiple VPN connections, allowing secure remote access to a network.
147-H12-221: HCNP-RS-IERN (Huawei Certified Network Professional-Implementing Enterprise Routing Network)
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Q1: What are Huawei Certification Exams? A: Huawei Certification Exams validate your expertise in using and managing Huawei’s range of ICT (Information and Communications Technology) products and solutions, including networking, cloud computing, storage, and AI. These certifications demonstrate your proficiency in deploying, configuring, and troubleshooting Huawei technologies to drive business and technological success.
Q2: Why should I pursue Huawei Certification? A: Huawei Certification enhances your professional credibility, showcasing your skills and knowledge in Huawei technologies. This can lead to better job opportunities, higher salaries, and career advancement in IT, networking, and cloud infrastructure roles.
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Q5: What types of Huawei Certification Exams are available? A: Huawei offers various certification paths under the Huawei Certification Program, including:
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Each certification path is tailored to different roles and expertise levels within the Huawei ecosystem.
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Q10: How often do I need to recertify for Huawei Certifications? A: Huawei Certifications typically require recertification every three years to ensure that certified professionals stay updated with the latest technologies and industry practices.
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