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Huawei H12-221-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: IP Services | - NAT/PAT implementation - DHCP configuration and relay - NTP and basic network services |
| Topic 2: LAN Switching Technologies | - EtherChannel / link aggregation - STP/RSTP/MSTP concepts and configuration - VLANs and VLAN implementation |
| Topic 3: Network Management and Troubleshooting | - Network monitoring and diagnostics tools - Basic troubleshooting methodologies |
| Topic 4: Enterprise Network Fundamentals | - Network device roles and architecture - TCP/IP model and IP addressing - IPv4/IPv6 fundamentals |
| Topic 5: Routing Technologies | - Static routing and policy-based routing - BGP basics and route selection - OSPF (single-area and multi-area) - IS-IS fundamentals |
| 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:
Question 1
Which description is correct about the LSA?
A. The combination of LS TYPE, LINK STATE ID and ADVERTISING ROUTER together identify an LSA
B. The combination of LS TYPE linke state id and LS sequence number together identify an LSA
C. The combination of LS TYPE, LS SEQUENCE NUMBER and advertising router together identifies an LSA
D. The combination of LS sequence number, link state id and advertising router together identify an LSA
Question 2
As shown in the figure, an OSPF multi-process is configured on the RT1 router, wherein process 100 of RT1 establishes an OSPF neighbor through the backbone area with RT2, and process 200 establishes an OSPF neighbor through the backbone area with RT3.
Please select the wrong options:
A. The OSPF process on router RT2 can use process 100 and RT1 to establish neighbors.
B. Because both RT1-RT2 and RT1-RT3 establish neighbors through the backbone area, the RT2 OSPF process has the LSA generated by the RT1 OSPF process.
C. The router RT1 public network routing table has routes to RT2 and RT3.
D. The router RT3 public network routing table has OSPF routes to RT1 and RT2 routers.
Question 3
After the RPT tree is established, which description about the SPT switch is incorrect?
A. The RPT tree cannot support large traffic forwarding.
B. The SPT path is the shortest and the forwarding performance is better.
C. All multicast traffic passes through RP routers. RP routers may become the bottleneck for data forwarding.
D. The RPT tree cannot be forwarded for a long time.
Question 4
When a BGP speaker advertises a route learned from an EBGP peer to a GP peer, what is the next attribute set to?
A. Local router loopback address
B. Does not change the next hop attribute of the router information
C. Interface address for establishing an IBGP neighbor relationship between the local and the peer
D. Interface address of the EBGP neighbor relationship established between the local and the peer that learned the route.
Question 5
In the OSPF routing protocol, under the same conditions, the second type of external route is always preferred over the first type of external route.
A. False
B. True
Solutions:
| Question 1 Answer: A | Question 2 Answer: D | Question 3 Answer: D | Question 4 Answer: B | Question 5 Answer: A |

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