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Huawei H12-221-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Enterprise Network Fundamentals | - Network device roles and architecture - TCP/IP model and IP addressing - IPv4/IPv6 fundamentals |
| Topic 2: IP Services | - NTP and basic network services - NAT/PAT implementation - DHCP configuration and relay |
| Topic 3: LAN Switching Technologies | - STP/RSTP/MSTP concepts and configuration - VLANs and VLAN implementation - EtherChannel / link aggregation |
| Topic 4: Routing Technologies | - Static routing and policy-based routing - IS-IS fundamentals - BGP basics and route selection - OSPF (single-area and multi-area) |
| Topic 5: Network Management and Troubleshooting | - Basic troubleshooting methodologies - Network monitoring and diagnostics tools |
| Topic 6: Network Security Fundamentals | - ACL configuration and traffic filtering - Basic device security hardening |
| Topic 7: WAN and MPLS Basics | - MPLS architecture overview - VPN fundamentals (L2VPN/L3VPN concepts) |
Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:
1. Compared with the traditional STP, RSTP defines two different port roles. Which is correct? (Multiple choices)
A) The backup port is in the forwarding state and the owning switch is the designated switch of the network segment to which the port is connected.
B) The primary port is used to back up the root port, and the backup port is mainly used to back up the specified port.
C) The standby port is in the forwarding state and the owning switch is not the designated switch of the network segment to which the port is connected.
D) Neither the backup port nor the standby port is in the forwarding state.
E) If the designated switch of the network segment is the switch to which this port belongs, the port status is set to the standby port.
2. There is a difference between the RSTP protocol and the STP protocol. When defining the port state in the RSTP protocol, what port states are defined?
A) Learning state
B) Discarding state
C) Forwarding state
D) Discarding state, Learning state and Forwarding state.
3. Which of the following attributes meet the following conditions: BGP routers may not support these attributes, but it will still receive such attributes and pass them on to other peers. (Multiple choice)
A) Multi_Exit_Disc
B) Local_Pref
C) Aggregator
D) Community
4. Compared to STP, RSTP protocol defines different port roles. For the description of the standby port and backup port in RSTP, which is correct? (Multiple selection)
A) The switch to which the standby port belongs is the designated switch of the network segment to which the port is connected.
B) The backup port backs up the designated port.
C) The switch to which the backup port belongs is not the designated switch of the network segment to which the port is connected.
D) The port is prepared to back up the root port.
5. Which of the following is not a recognized attribute in a BGP route attribute?
A) Origin
B) MED
C) Local_Pref
D) AS_PATH
Solutions:
| Question # 1 Answer: B,D | Question # 2 Answer: D | Question # 3 Answer: A,B,C,D | Question # 4 Answer: B,D | Question # 5 Answer: B |






