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Huawei H12-221-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Routing Technologies | - OSPF (single-area and multi-area) - BGP basics and route selection - Static routing and policy-based routing - IS-IS fundamentals |
| Topic 2: IP Services | - NTP and basic network services - DHCP configuration and relay - NAT/PAT implementation |
| Topic 3: Network Management and Troubleshooting | - Network monitoring and diagnostics tools - Basic troubleshooting methodologies |
| Topic 4: Enterprise Network Fundamentals | - TCP/IP model and IP addressing - Network device roles and architecture - IPv4/IPv6 fundamentals |
| Topic 5: LAN Switching Technologies | - STP/RSTP/MSTP concepts and configuration - EtherChannel / link aggregation - VLANs and VLAN implementation |
| Topic 6: WAN and MPLS Basics | - VPN fundamentals (L2VPN/L3VPN concepts) - MPLS architecture overview |
| Topic 7: Network Security Fundamentals | - ACL configuration and traffic filtering - Basic device security hardening |
Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:
Which of the following description about the Hello message in the PIM protocol is wrong?
- A. pim hello-option holdtime interval Configure the Hello message timeout value in the interface view.
- B. Hello packets are sent in multicast mode and the multicast address is 224.0.0.9.
- C. Only after the router receives the Hello message from the neighbor, it will accept other PIM control messages or multicast packets.
- D. pim timer hello Interval, the interval for sending Hello messages in the interface view. The default period of Hello messages is 30 seconds.
Correct Answer: B 🗳️
When using routing policy for route filtering, which will be denied when the router prefix matching the following IP-Prefix? (Multiple Choice)
- A. 1.1.1.2/16
- B. 1.1.1.1/24
- C. 1.1.1.1/26
- D. 1.1.1.1/32
Correct Answer: B,C,D 🗳️
Thedescription about OSPF features, which is wrong?
- A. OSPF uses the link state algorithm.
- B. The LSDB of all routers in OSPF area 0 are the same.
- C. Each OSPF device collects the LSA which sent by other routers. All the LSA are put together to form the link state database LSDB.
- D. Each router advertises local link state information through flooding LSAs.
- E. According to the directed graph, each router uses the SPF algorithm to calculate a shortest path tree rooted at itself. This tree gives the routes to each node in the autonomous system.
Correct Answer: B 🗳️
Regarding OSPF multi-process, which is wrong?
- A. An interface of a router can only belong to one OSPF process.
- B. Routing interaction between different OSPF processes is equivalent to the routing interaction between different routing protocols.
- C. Multiple OSPF processes can be running on the same router. They do not affect each other and are independent of each other.
- D. The concept of OSPF multi-process has a global significance.
Correct Answer: D 🗳️
BGP is an inter-domain routing protocol. Which of the following description about the protocol is correct? (Multiple choice)
- A. Supports automatic discovery of neighbors.
- B. Supports rich routing strategies.
- C. The BGP protocol uses a reliable transmission protocol.
- D. Support clear text verification.
Correct Answer: B,C 🗳️
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