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Cisco 400-101 (CCIE Routing and Switching Written) Certification Exam is a highly respected certification within the IT industry, and passing the exam demonstrates a candidate's knowledge and skills in enterprise-level networking. Candidates who pass the exam are recognized as experts in their field and have a competitive edge in the job market. With the right preparation and dedication, anyone can successfully pass the Cisco 400-101 exam and become a CCIE.
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Cisco 400-101 exam covers a broad range of topics related to routing and switching, including network principles, layer 2 and layer 3 technologies, infrastructure security, and network services. 400-101 exam is designed to assess a candidate's ability to analyze complex network problems, develop solutions, and implement them in a timely and effective manner. Successful completion of the CCIE Routing and Switching certification process demonstrates to employers and peers that a candidate has achieved the highest level of expertise in the field of networking and is capable of handling the most challenging networking tasks.
Reference: https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/ccie-routing-switching.html
Cisco 400-101 Exam Syllabus Topics:
| Section | Weight | Objectives |
| Topic 1: Infrastructure Services | 5% | - Network address translation
- 1. Network Time Protocol
- 2. SNMP, NetFlow, IP SLA
- 3. First Hop Redundancy Protocols (HSRP, VRRP, GLBP)
- 4. Quality of Service mechanisms
|
| Topic 2: Layer 3 Technologies | 40% | - IPv4 and IPv6 addressing
- 1. Static routing, RIP, OSPFv2/v3
- 2. Multicast routing (PIM, IGMP, MSDP)
- 3. BGPv4 and BGP for IPv6
- 4. Route redistribution, filtering, summarization
- 5. EIGRP for IPv4 and IPv6
|
| Topic 3: Evolving Technologies | 10% | - Network virtualization
- 1. Cloud connectivity
- 2. Network automation tools
- 3. SDN, programmability, APIs
|
| Topic 4: Layer 2 Technologies | 15% | - LAN switching
- 1. EtherChannel, LACP, PAgP
- 2. VLANs, trunking, DTP, VTP
- 3. Switch security, private VLANs, storm control
- 4. Spanning Tree Protocol (802.1D, PVST+, RSTP, MSTP)
- 5. UDLD, LLDP, CDP, SPAN/RSPAN/ERSPAN
|
| Topic 5: Network Principles | 10% | - Network theory
- 1. Control plane vs Forwarding plane
- 2. IOS vs IOS XE architecture
- 3. Cisco Express Forwarding (RIB/FIB/LFIB/Adjacency)
- 4. IP operations (ICMP, fragmentation, TTL, MTU)
- 5. TCP operations (MSS, PMTU, windowing)
|
| Topic 6: VPN Technologies | 10% | - IPsec, GRE, DMVPN
- 1. MPLS, L3VPN, L2VPN
- 2. VRF-lite, VRF-aware services
- 3. GET VPN, FlexVPN
|
| Topic 7: Infrastructure Security | 10% | - Control plane policing
- 1. Device hardening, access control lists
- 2. AAA, TACACS+, RADIUS
- 3. Unicast Reverse Path Forwarding
- 4. Routing protocol authentication
|