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Huawei H12-261-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Security and QoS | 10% | - ACL, security policy and AAA - Attack defense and traffic filtering - QoS models, classification and scheduling |
| Topic 2: IPv4 Routing Protocols | 30% | - IS-IS protocol deployment and optimization - BGP route attributes and selection - Routing policies and route control - OSPFv2 principles and advanced configuration |
| Topic 3: Layer 2 Technologies | 20% | - Ethernet and VLAN principles - VRRP and BFD - STP/RSTP/MSTP protocols - Link aggregation and redundancy |
| Topic 4: IPv6 and Multicast | 15% | - IPv6 addressing and transition mechanisms - IGMP and PIM multicast protocols - OSPFv3 and BGP4+ |
| Topic 5: Network Design, Operation and Troubleshooting | 10% | - Large-scale network architecture design - Network monitoring and management - Fault diagnosis and resolution |
| Topic 6: MPLS and VPN Technologies | 15% | - MPLS L3VPN and L2VPN - IPsec and VPN security - MPLS architecture and label switching |
Huawei HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching) Sample Questions:
Question 1
Which of the following description is true about the ISIS LSP fragmentation extension?
A. Enable the ISIS router to generate more LSP fragments to carry more ISIS information.
B. ISIS's fragmentation extension is achieved by adding virtual systems that can scale up to 1000 virtual systems.
C. ISIS routers can generate up to 1024 shards.
D. ISIS's fragmentation extension is equally valid for Hello packets.
Question 2
Cross-device link aggregation enables data stream transmission and mutual backup of stack member switches. However, because of the limited bandwidth of stack cables between stack devices, which of the following methods can improve forwarding efficiency?
A. Connect stack devices through stack cards
B. Enable stack multi-master check function
C. Enable traffic local priority forwarding
D. Configure stack system MAC address switching
Question 3
Configure queue-based traffic shaping. If the queue length exceeds the cache size, the tail is discarded by default.
A. False
B. True
Question 4
Which of the following options is correct for the assertion mechanism?
A. In the assertion mechanism, winner is responsible for forwarding multicast data to the broadcast network segment.
B. In the assertion mechanism, loser shut down the interface connected to the broadcast network.
C. The size of the IP address will not be used as a condition for election during the election of the winner.
D. The assertion mechanism is used for the election of the DR.
Question 5
Network administrators can use CAR technology in traffic policing. Which of the following technologies can be applied in CAR?
A. Double barrel single speed
B. Double barrel double speed
C. Three barrels single speed
D. Single barrel single speed
Solutions:
| Question 1 Answer: A | Question 2 Answer: C | Question 3 Answer: A | Question 4 Answer: A | Question 5 Answer: A,B,D |
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