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Huawei H12-261-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Network Design, Operation and Troubleshooting | 10% | - Fault diagnosis and resolution - Network monitoring and management - Large-scale network architecture design |
| IPv6 and Multicast | 15% | - OSPFv3 and BGP4+ - IGMP and PIM multicast protocols - IPv6 addressing and transition mechanisms |
| Layer 2 Technologies | 20% | - STP/RSTP/MSTP protocols - Ethernet and VLAN principles - VRRP and BFD - Link aggregation and redundancy |
| IPv4 Routing Protocols | 30% | - IS-IS protocol deployment and optimization - Routing policies and route control - OSPFv2 principles and advanced configuration - BGP route attributes and selection |
| MPLS and VPN Technologies | 15% | - MPLS L3VPN and L2VPN - MPLS architecture and label switching - IPsec and VPN security |
| Network Security and QoS | 10% | - Attack defense and traffic filtering - ACL, security policy and AAA - QoS models, classification and scheduling |
Huawei HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching) Sample Questions:
1. A home user has opened a 10Mb/s broadband. To improve the user experience, the operator can stabilize at 12Mb/s when measuring speed. If we use token bucket technology to achieve this demand, which of the following methods is optimal?
A) cir 10000 cbs 12000 pbs 12000
B) cir 10000 pir 12000
C) cir 8000 pir 12000
D) cir 10000 cbs 10000 pbs 12000
2. Regarding the way the device handles packets in the MPLS network model, which of the following description is wrong? (Multiple Choice)
A) LSR must not strip labels.
B) Both LER and LSR will carry out label distribution.
C) The device discards the IP packets entering the MPLS domain.
D) The label forwarding path LSP is determined and established through various protocols during the forwarding of the packet.
3. In Huawei devices, when ISIS imports external routes and sets external route tags for routing information, the metric type of ISIS does not need to be modified, just keep the default.
A) True
B) False
4. When a router constructs its own routing table based on routing entries learned by different routing protocols, which routing entries are added to the routing table?
A) The routing entry with the largest preference value
B) The route entry with the largest next hop address
C) Unique routing entries
D) Routing entries with the fastest routing process
E) Have a routing entry with a low router ID
5. Which of the following statement about deploying ISIS protocol in IPv6 environment is correct?
A) By default, the DIS priority of the broadcast network interface on Level-1 and Level-2 is 1.
B) Configure ISIS silent on the ISIS interface, then this interface will not send ISIS packets, but will receive ISIS packets.
C) In broadcast networks, the DIS priorities of IPv4 and IPv6 can be set separately.
D) In the same broadcast network, if each router supports both IPv4 and IPv6, the DIS of IPv4 and IPv6 must be the same device.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: C,D | Question # 3 Answer: B | Question # 4 Answer: C | Question # 5 Answer: D |






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