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Huawei H12-221-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Routing Technologies | - BGP basics and route selection - Static routing and policy-based routing - OSPF (single-area and multi-area) - IS-IS fundamentals |
| Network Management and Troubleshooting | - Basic troubleshooting methodologies - Network monitoring and diagnostics tools |
| LAN Switching Technologies | - STP/RSTP/MSTP concepts and configuration - VLANs and VLAN implementation - EtherChannel / link aggregation |
| Network Security Fundamentals | - Basic device security hardening - ACL configuration and traffic filtering |
| WAN and MPLS Basics | - VPN fundamentals (L2VPN/L3VPN concepts) - MPLS architecture overview |
| Enterprise Network Fundamentals | - TCP/IP model and IP addressing - IPv4/IPv6 fundamentals - Network device roles and architecture |
| IP Services | - DHCP configuration and relay - NAT/PAT implementation - NTP and basic network services |
Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:
Which of the following statements are wrong about multicast MAC addresses? (Multiple Choice)
- A. The high 24 of the multicast NAC address is 00050, the 25th bit is fixed, and the lower 23 of the MAC address is the lower 23b of the multicast P address.
- B. The role of the multicast MC address is to identify the receivers belonging to the same multicast group on the link layer.
- C. Multiple multicast MAC addresses correspond to 32 IP multicast addresses
- D. One multicast MAC address uniquely corresponds to one IP multicast address
Correct Answer: A,D 🗳️
The following output of a router, which of the following description of this information is correct?
- A. The next hop of the route to the destination network 5.1.1.0/24 is 1.1.1.1, and the route is optimal.
- B. MED value of the route to the destination network 5.1.1.0/24 is 50.
- C. MED value of the route to the destination network 1.1.1.0/24 is 100.
- D. The next hop of the route to the destination network 1.1.1.0/24 is 1.1.1.1, and the route is optimal.
Correct Answer: A 🗳️
Which of the following belong to BGP-recognized community attribute values? (Multiple choice)
- A. NO_EXPORT
- B. NO_ADVIERTISE
- C. Advertise
- D. Internet
Correct Answer: A,B,D 🗳️
Which of the following description about OSPF is correct?
- A. OSPF updates regularly every 30 minutes
- B. OSPF uses the Bellman-Ford algorithm, and each router runs the algorithm independently.
- C. OSPF itself does not have a certain mechanism, so OSPF relies on the upper layer protocol, that is TCP, to confirm and process.
- D. OSPF floods an LSU every 5s
Correct Answer: A 🗳️
The routing tool route-policy can give pre-defined condition filtering and set BGP attributes, so it is often used to define policies for BGP peers, and is often used during route generation. By default, all unmatched routes were rejected to go through route-policy.
- A. TRUE
- B. FALSE
Correct Answer: A 🗳️
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