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Huawei H12-221-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| IPv6 Technologies | - IPv6 Fundamentals
|
| Switching Technologies | - VLAN Technologies
|
| Enterprise Network Architecture and Design | - Enterprise Network Architecture
|
| Routing Technologies | - OSPF
|
| IP Multicast | - Multicast Technologies
|
| Network Security | - Security Fundamentals
|
| Network Maintenance and Troubleshooting | - Operations and Maintenance
|
Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:
1. Different port roles are defined in the RSTP protocol, the role of the port that cannot be in the forwarding state is: (Multiple Choice)
A) Designated Port
B) Alternate Port
C) Root Port
D) Backup Port
2. Run MSTP on the network. When you view the configuration on the root switch of an MSTP domain, the following command is obtained. As shown in the figure, please estimate the network size of the MSTP domain where the root switch resides.
[SWA]display stp
------- [CIST Global Info] [Mode MSTP] ------
CIST Bridge: 0.000f-e212-f8e1
Bridge Times: Hello 2s MaxAge 20s FWDly 15s MaxHop 30
CIST Root/ERPC: 0.000f-e212-f8e1/0
CIST RegRoot/IRPC: 0.000f-e212-f8e1/0
CIST RootPortId: 0.0
BPDU-Protection: disabled
CIST Root Type: PRIMARY root
TC or TCN received :3
Time since last TC: 0 days 1h:23m:36s
A) Less than 40 units
B) Less than 30 units
C) Less than 20 units
D) Less than 10 units
3. Multicast related protocols do not include:
A) OSPF
B) PIM
C) DVMRP
D) MSDP
E) MBGP
4. Regarding the role of route filtering, which of the following description is correct?
A) Unavoidable routing loop caused by inappropriate routing feedback
B) Avoid routing loops caused by inappropriate route feedback
C) Can not avoid the sub-optimal routing caused by the introduction of rabbit routes
D) Can be used for precise route import and route advertisement control
5. BGP and IGP use the same routing table in the setup. In order to implement communication between different AS, BGP needs to interact with the IGP, that is, the BGP routing table and the ICP routing table are introduced to each other.
A) FALSE
B) TRUE
Solutions:
| Question # 1 Answer: B,D | Question # 2 Answer: B | Question # 3 Answer: A,E | Question # 4 Answer: D | Question # 5 Answer: A |



