H12-221-ENUの無料問題集（597題）、H12-221-ENU認定試験参考書

Huawei H12-221-ENU 問題集

試験コード：H12-221-ENU

試験名称：HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network)

最近更新時間：2025-06-29

問題と解答：全597問

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質問 1：
What are the benefits of OSPF zoning? (Multiple Choice)
A. The size of the LSDB can be reduced to reduce the memory consumption of the router.
B. The proliferation of flooding LSAs is limited to a single area.
C. LSA can also be reduced with the division of the area, reducing the consumption of router CPU.
D. The routers in one area can understand the topology details outside their area.
正解：A,B,C

質問 2：
Which of the following are the types of secure MAC addresses in port security technology?
A. Secure dynamic MAC address
B. Protect MAC address
C. Sticky MAC address
D. Secure static MAC address
正解：A,C,D

質問 3：
A route-policy may have multiple nodes. Different node numbers are identified by sec-number. The relationship between the various parts of different seq-numbers is "OR".
A. FALSE
B. TRUE
正解：B

質問 4：
When applying policy routing, which of the following descriptions are wrong? (Multiple Choice)
A. Apply strategy routing in the system view, in this case, strategy routing works on all packets received through this router.
B. Apply strategy routing in the interface view, in this case, strategy routing only affects the packets received on the interface.
C. Apply strategy routing in the interface view, in this case, strategy routing only affects the packets received and sent by the interface.
D. Apply strategy routing in the system view, in this case, strategy routing takes effect only on packets generated locally.
正解：A,C

質問 5：
When using manual link aggregation mode, the wrong description of joining member interfaces in the following is:
A. Eth-Trunk has two working modes: Layer 2 working mode and Layer 3 working mode. The two working modes are automatically identified and no manual switching is required.
B. An Ethernet interface only can be added to one Eth-Trunk interface. If you need to join other Eth-Trunk interfaces, you must first exit from the original Eth-Trunk interface.
C. The Eth-Trunk interface cannot be nested. That is, the member interface cannot be an Eth-Trunk.
D. If the local device uses an Eth-Trunk, the peer interface directly connected to the member interface must also be bundled into an Eth-Trunk interface so that the two ends can communicate normally.
正解：A

質問 6：
The ABR of totally NSSA area advertises the Type 3 default route to be transmitted to the area. All inter-domain routes must be advertised through the ABR.
A. FALSE
B. TRUE
正解：B

質問 7：
The role of the Hello message in PIM-SM is: (Multiple choice)
A. Ability negotiation between neighbors
B. Establish and maintain neighbor relationships
C. Election network segment BDR
D. Register with the RP
正解：A,B

質問 8：
About the descriptions of LSA of various messages, which is wrong?
A. The LS Update message contains the complete LSA information.
B. The DD type LSA contains only the summary information of the LSA, that is, the LS Type, LS ID, Advertising Router and LS Sequence Number.
C. The LS Ack packet contains the complete LSA information.
D. The LS Request message contains only the LS Type, LS ID, and the Advertising Router.
正解：C

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Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) 認定 H12-221-ENU 試験問題:

1. Which services and functions of AR3200 can the ACL be applied to? (Multiple Choice)

A) Routing strategy
B) Flow classification
C) Firewall
D) Policy routing

2. The use of the access control list is determined by the range of numbers.Which of the following description is wrong?

A) The numerical range of the basic access control list is: 3000~3999.
B) The numerical range of the advanced access control list is: 3000~3999.
C) The numerical range of the basic access control list is: 2000~2999.
D) The numerical range of Layer 2 ACL is: 4000~4999.

3. In a company network environment, there are two switches SWA and SWB. The link aggregation LACP mode is adopted between the SWA and the SWB. There are three links added to the link aggregation, and the maximum number of active links is set to two. The system priority of the SWA is 4096. The system priority of the SWB is 32768. The interfaces of the three SWA links are G0/0/1, G0/0/2, and G0/0/3. The priority of the interface is 10, 20, 30. The interfaces of the three SWB links are G0/0/1, G0/0/2, and G0/0/3. The priority of the interface is 30, 20, and 10 respectively.
Which of the following conclusions are correct? (Multiple choice)

A) SWB G0/0/2 and G0/0/3 are active interfaces
B) SWA is active
C) SWB is active
D) SWA G0/0/1 and G0/0/2 are active interfaces

4. The following is a partial configuration of a router. The correct description about this part of the configuration is:

A) On the 10.0.192.0/8 network segment, the route with a mask length of 21 will be matched to the prefix list, the matching rule is allowed.
B) On the 10.0.192.0/8 network segment, the route with a mask length of 19 will be matched to the prefix list, the matching rule is allowed.
C) On the 10.0.192.0/8 network segment, the route with a mask length of 18 will be matched to the prefix list, the matching rule is allowed.
D) On the 10.0.192.0/8 network segment, the route with a mask length of 20 will be matched to the prefix list, the matching rule is allowed.

5. Which version of IGM is required in SSM?

A) IGMPv2
B) IGMPv3
C) IGMPv1
D) IGMPv4

質問と回答：

質問 # 1
正解： A、B、C、D

質問 # 2
正解： A

質問 # 3
正解： B、D

質問 # 4
正解： C

質問 # 5
正解： B