Hcie-Datacom
H12-891
Money Back Guarantee
98% Success Rate
Real Questions
1
Advanced Routing and Switching Technology 37%
1.1
Advanced Layer 2 Technologies
3 subtopics1.1.1VLAN Advanced Features
1.1.2Spanning Tree Protocol (STP) Advanced
1.1.3Ethernet Link Aggregation
Learning Objectives
- Master advanced VLAN technologies and their application scenarios
- Implement and optimize STP in complex enterprise networks
- Design link aggregation solutions for high availability
1.2
Advanced Routing Protocols
4 subtopics1.2.1OSPF Advanced Features
1.2.2IS-IS Advanced Configuration
1.2.3BGP Advanced Features
1.2.4Route Control and Redistribution
Learning Objectives
- Design and implement complex OSPF and IS-IS networks
- Configure and optimize BGP for enterprise and service provider scenarios
- Implement advanced routing policies and redistribution
1.3
MPLS and MPLS VPN
4 subtopics1.3.1MPLS Fundamentals
1.3.2MPLS L3VPN
1.3.3MPLS L2VPN
1.3.4MPLS Traffic Engineering
Learning Objectives
- Implement MPLS and label distribution protocols
- Design and deploy MPLS L3VPN and L2VPN services
- Configure MPLS traffic engineering for optimal path selection
1.4
IP Multicast
2 subtopics1.4.1Multicast Fundamentals
1.4.2PIM Protocols
Learning Objectives
- Configure IP multicast protocols
- Design multicast routing solutions
- Troubleshoot multicast forwarding issues
1.5
IPv6 Technologies
3 subtopics1.5.1IPv6 Addressing and Protocols
1.5.2IPv6 Routing
1.5.3IPv6 Transition Technologies
Learning Objectives
- Implement IPv6 addressing and routing
- Configure IPv6 transition mechanisms
- Design dual-stack networks
1.6
High Availability Technologies
2 subtopics1.6.1VRRP and BFD
1.6.2Device and Link Redundancy
Learning Objectives
- Implement gateway redundancy with VRRP
- Configure BFD for fast convergence
- Design high-availability network architectures
Domain Hands-on Skills
Configure complex VLAN scenarios including QinQ and VLAN mappingImplement multi-area OSPF with route summarization and filteringDesign and deploy BGP route reflection and confederationConfigure MPLS L3VPN with inter-AS connectivityImplement PIM-SM with RP redundancyConfigure IPv6 routing protocols and transition mechanismsDeploy VRRP and BFD for high availability
Common Mistakes to Avoid
- Incorrect OSPF area type selection
- BGP path attribute manipulation errors
- MPLS VPN RD/RT misconfiguration
- Multicast RPF check failures
- IPv6 address assignment conflicts
2
Campus Network Planning and Deployment 23%
3
WAN Interconnection Network Planning and Deployment 8%
4
Bearer WAN Planning and Deployment 15%
5