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Exam Number/Code: H12-221
Exam name: HCNP-R&S-IERN (Huawei Certified Network Professional-Implementing Enterprise Routing Network)
n questions with full explanations
Certification: HUAWEI Certification
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Exam Code: H12-221 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: HCNP-R&S-IERN (Huawei Certified Network Professional-Implementing Enterprise Routing Network)
Certification Provider: HUAWEI
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Q71. According to BGP route selection rules, a local route that is automatically summarized takes precedence over a local route that is manually summarized. 

A. TRUE 

B. FALSE 

Answer:

Explanation: 


Q72. When running in non-broadcast networks, OSPF uses one of the two modes: NBMA or P2MP. 

A. TRUE 

B. FALSE 

Answer:

Explanation: 


Q73. Which of the following statements regarding NSSA commands is false? 

A. The default-route-advertise command is used to generate a type-7 default route. 

B. The no-import-route parameter prevents the import of AS external routes in the form of Type-7 LSAs into an NSSA. 

C. The no-summary parameter prevents the advertisement of Type-3 and Type-4 LSAs in an area. 

D. The set-n-bit parameter indicates that an N-bit will be set in a DD packet. 

Answer:

Explanation: 


Q74. Which type of message is periodically exchanged between BGP peers to keep the BGP connection alive? 

A. Open 

B. Hello 

C. Route-refresh 

D. Keepalive 

Answer:

Explanation: 


Q75. The Origin attribute of the BGP routes injected with the network command are considered IGP. 

A. TRUE 

B. FALSE 

Answer:

Explanation: 


Q76. A failure in establishing a BGP connection can be addressed by checking the TCP connectivity and BGP peer configurations. 

A. TRUE 

B. FALSE 

Answer:

Explanation: 


Q77. Which of the following route selection tools is used in multiple routing protocols, can be configured with match conditions, and consists of if-match and apply clauses? 

A. AS-path-filter 

B. IP-prefix 

C. Route-policy 

D. Community-filter 

Answer:

Explanation: 


Q78. ORRECT TEXT 

What is the link-state ID of an ASBR-Summary-LSA? 

The OSPF Router ID of an LSA's originator 

The Interface IP address of the DR on the described network segment 

The address of the described network segment 

The Router ID of the described ASBR 

Answer:


Q79. Which of the following statements regarding the Reverse Path Forwarding (RPF) mechanism are 

true? (Select 2 answers) 

A. Multicast RPF does not depend on unicast routing. 

B. All multicast protocols adopt the RPF mechanism. 

C. A router discards the received multicast packets if the RPF check fails. 

D. The RPF mechanism has two functions: It prevents multicast routing loops and the forwarding of redundant multicast packets. 

Answer: C,D 

Explanation: 


Q80. Which of the following statements regarding a multicast distribution tree are true? (Select 3 

answers) 

A. Multicast distribution trees are classified into two types: SFT and RPT. 

B. The PIM-SM protocol can generate both RFTs and SPTs. 

C. The PIM-55M protocol can generate only SFTs. 

D. The PIM-DM protocol can generate both RFTs and SFTs. 

Answer: A,B,C 

Explanation: