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Exam Code: H12-221-ENU
Exam Name: HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network)
Certification Provider: Huawei
Corresponding Certification: HCNP-R&S

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H12-221-ENU

Updated: May 31, 2026

No. of Questions: 597 Questions & Answers with Testing Engine

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Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:

1. Which of the following BGP attributes are recognized as mandatory type attributes? (Multiple choice)

A) Local_Pref
B) MED
C) AS-Path
D) Next_hop


2. Which description about BGP state machine is wrong?

A) In the Active state, BGP will attempt to establish the access TCP connection, which is the intermediate state of BGP.
B) The status of both BGP peers must be OpenConfirm before the BGP neighbor relationship can be established. The two parties exchange routing information through Update messages.
C) In the Idle state, BGP rejects any access connection request and is the BGP initial state.
D) In the Established state, BGP peers can exchange Update messages, Route-refresh messages, Keepalive messages, and Notification messages.


3. Which of the following tools can't be used for route filtering? (Multiple choices)

A) route-policy
B) ip community-filter
C) IP-prefix
D) policy-based-route


4. The following is part of the output information of the router RTD, the correct description of the output information is:

A) The version of IGMP enabled on this interface is version 1.
B) The maximum response time 0s contained in IGMP query message on this interface.
C) Configure the interval for sending IGMP query messages on this interface to be 60s.
D) IGMP status of this interface is down.


5. Regarding the BGP AS number, which of the following descriptions are wrong? (Multiple Choice)

A) When a 2-byte AS is supported, the private AS number ranges from 64512 to 65535.
B) A homemade system can have multiple AS numbers
C) When a 2-byte AS is supported, the value ranges from 1 to 65535.
D) Devices that support 4-byte AS numbers are not compatible with devices that support 2-byte AS numbers.


Solutions:

Question # 1
Answer: C,D		Question # 2
Answer: B		Question # 3
Answer: B,D		Question # 4
Answer: B		Question # 5
Answer: B,C,D

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