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CCIE Enterprise Infrastructure

CCIE-ENTERPRISE-INFRASTRUCTURECisco Certified Internetwork Expert Enterprise Infrastructure

The CCIE Enterprise Infrastructure certification validates expert-level skills in designing, deploying, operating, and optimizing complex enterprise network infrastructures. It covers network infrastructure, software-defined networking, transport technologies, security, and automation. Earning this credential positions you as a technical leader capable of maximizing the potential of enterprise network solutions.

707 practice questions · Updated 2025-01-01

5Domains
21Objectives
186Concepts
707Questions

CCIE-ENTERPRISE-INFRASTRUCTURE Curriculum

Every domain, objective, and concept the CCIE-ENTERPRISE-INFRASTRUCTURE exam measures.

Switched campus

11 concepts · 33 questions
  1. Switch administration
  2. Layer 2 protocols
  3. VLAN technologies
  4. VLAN access and trunking
  5. VLAN troubleshooting
  6. EtherChannel configuration
  7. EtherChannel troubleshooting
  8. Spanning Tree Protocol fundamentals
  9. Spanning Tree Protocol variants
  10. Spanning Tree Protocol tuning
  11. Spanning Tree Protocol protection

Routing Concepts

12 concepts · 36 questions
  1. Administrative Distance
  2. Static Routing for Unicast
  3. Static Routing for Multicast
  4. Policy-Based Routing (PBR)
  5. VRF-Lite Configuration
  6. VRF-Aware Routing with Static and Dynamic Protocols
  7. Route Leaking Between VRFs
  8. Route Filtering with BGP, EIGRP, OSPF, and Static
  9. Redistribution Between Routing Protocols
  10. Routing Protocol Authentication
  11. Bidirectional Forwarding Detection (BFD)
  12. Layer 3 MTU

EIGRP

15 concepts · 36 questions
  1. EIGRP Adjacency Establishment
  2. EIGRP Neighbor States and Failure Detection
  3. EIGRP Metric Calculation
  4. EIGRP Feasible Distance and Reported Distance
  5. EIGRP Successor and Feasible Successor Selection
  6. EIGRP DUAL Algorithm Operation
  7. EIGRP Packet Types and Operations
  8. EIGRP Reliable Transport Protocol (RTP)
  9. EIGRP Named Mode Configuration
  10. EIGRP Named Mode Features
  11. EIGRP Route Summarization
  12. EIGRP Load Balancing
  13. EIGRP Convergence Optimization
  14. EIGRP Stub Routing and Query Reduction
  15. EIGRP Scalability Considerations

OSPF (v2 and v3)

15 concepts · 21 questions
  1. OSPF Adjacency Formation
  2. OSPF Adjacency Requirements and Failure
  3. OSPFv3 Address Family Support
  4. OSPFv3 Link-State Advertisement (LSA) Types
  5. OSPF Network Types
  6. OSPF Area Types
  7. OSPF Path Preference
  8. OSPF Route Summarization
  9. OSPF Operations: LSA Flooding and Database Synchronization
  10. OSPF Operations: SPF Calculation
  11. OSPF Optimization: Timers and Fast Convergence
  12. OSPF Optimization: LSA Throttling and Incremental SPF
  13. OSPF Scalability: Hierarchical Design and Area Partitioning
  14. OSPF Scalability: Stub and NSSA Areas
  15. OSPF Scalability: Virtual Links and Area 0

BGP

6 concepts · 35 questions
  1. IBGP and EBGP peer relations
  2. BGP path selection algorithm
  3. Routing policy implementation
  4. AS path manipulation
  5. BGP convergence and scalability
  6. Soft reconfiguration and route refresh

Multicast

12 concepts · 40 questions
  1. Layer 2 Multicast Fundamentals
  2. IGMP Snooping
  3. Multicast VLAN Registration (MVR)
  4. Reverse Path Forwarding (RPF) Check
  5. RPF Check Implementation
  6. PIM Protocol Overview
  7. PIM Dense Mode (PIM-DM)
  8. PIM Sparse Mode (PIM-SM)
  9. PIM Rendezvous Point (RP)
  10. PIM BSR and Auto-RP
  11. PIM-SM Tree Switching
  12. PIM Assert and Prune Mechanisms

Cisco SD-Access

6 concepts · 48 questions
  1. Underlay Network Design
  2. Overlay Network Architecture
  3. Fabric Design Principles
  4. Fabric Deployment Workflows
  5. Fabric Border Handoff Mechanisms
  6. Segmentation and Policy Enforcement

Cisco SD-WAN

6 concepts · 28 questions
  1. SD-WAN Controller Architecture
  2. SD-WAN Underlay Network
  3. Overlay Management Protocol (OMP)
  4. Configuration Templates
  5. Centralized Policies
  6. Localized Policies

Static point-to-point GRE tunnels

4 concepts · 42 questions
  1. GRE tunnel basics
  2. Static GRE tunnel configuration
  3. GRE tunnel verification
  4. GRE tunnel troubleshooting

MPLS

7 concepts · 14 questions
  1. MPLS Operations
  2. MPLS Label Stacking and Penultimate Hop Popping
  3. MPLS L3VPN Architecture
  4. VRF and Route Distinguisher
  5. Route Target and VPN Route Exchange
  6. L3VPN Data Plane and Label Stack
  7. L3VPN Configuration and Verification

DMVPN

5 concepts · 37 questions
  1. DMVPN Phase 3 dual hub architecture
  2. NHRP redirect and shortcut establishment
  3. Troubleshooting spoke-to-spoke tunnel failures
  4. Troubleshooting dual hub redundancy and failover
  5. Verifying DMVPN Phase 3 operation

Device security on Cisco IOS XE

10 concepts · 59 questions
  1. Control Plane Policing (CoPP)
  2. Control Plane Protection (CPPr)
  3. Implementing CoPP
  4. Verifying and Monitoring CoPP
  5. AAA Overview
  6. AAA Authentication Configuration
  7. AAA Authorization Configuration
  8. AAA Accounting Configuration
  9. RADIUS and TACACS+ Integration
  10. AAA Troubleshooting

Network security

3 concepts · 39 questions
  1. Switch Security Features
  2. Router Security Features
  3. IPv6 Infrastructure Security Features

System management

8 concepts · 36 questions
  1. Device management fundamentals
  2. SNMP architecture and versions
  3. SNMPv2c configuration
  4. SNMPv3 configuration
  5. SNMP operations and troubleshooting
  6. Logging fundamentals
  7. Syslog configuration
  8. Log management and analysis

Quality of Service

10 concepts · 20 questions
  1. Differentiated Services Architecture
  2. Classification and Trust Boundary
  3. Network Based Application Recognition (NBAR)
  4. Marking DSCP Values in IPv4 and IPv6 Headers
  5. Policing
  6. Shaping
  7. Congestion Management
  8. Congestion Avoidance
  9. Hierarchical Quality of Service (HQoS)
  10. End-to-End Layer 3 QoS Using MQC

Network services

13 concepts · 20 questions
  1. First-Hop Redundancy Protocols Overview
  2. HSRP Configuration and Operation
  3. VRRP and GLBP Configuration
  4. NTP Fundamentals
  5. NTP Configuration on Cisco Devices
  6. PTP and Other Time Sync Protocols
  7. DHCP Operation and Messages
  8. DHCP Server Configuration on Cisco IOS
  9. DHCP Relay and Client Configuration
  10. DHCP Snooping and Security
  11. NAT Concepts and Types
  12. NAT Configuration on Cisco IOS
  13. NAT Verification and Troubleshooting

Network optimization

7 concepts · 34 questions
  1. IP SLA ICMP probes
  2. IP SLA UDP probes
  3. IP SLA TCP probes
  4. Tracking objects
  5. Tracking lists
  6. Flexible NetFlow configuration
  7. Flexible NetFlow analysis and troubleshooting

Network operations

7 concepts · 53 questions
  1. Traffic capture fundamentals
  2. Capture tools and methods
  3. Capture configuration and filtering
  4. Analyzing captured traffic
  5. Troubleshooting tools overview
  6. Using troubleshooting tools
  7. Interpreting tool output

Data encoding formats

9 concepts · 18 questions
  1. JSON syntax and structure
  2. JSON parsing and generation
  3. XML syntax and structure
  4. XML parsing and generation
  5. YAML syntax and structure
  6. YAML parsing and generation
  7. Jinja templating basics
  8. Jinja control structures
  9. Jinja in network automation

Automation and scripting

9 concepts · 36 questions
  1. EEM applet basics
  2. EEM applet event detection
  3. EEM applet actions
  4. EEM applet configuration and verification
  5. Guest shell overview
  6. Guest shell activation and access
  7. Guest shell resource management
  8. Running scripts in Guest shell
  9. Integrating Guest shell with EEM

Programmability

11 concepts · 22 questions
  1. vManage API Authentication
  2. vManage API Endpoints and Resources
  3. vManage API Request Construction
  4. vManage API Response Parsing
  5. Cisco DNA Center API Authentication
  6. Cisco DNA Center API GET Requests
  7. Cisco DNA Center API POST Requests
  8. Cisco DNA Center API PUT Requests
  9. Model-Driven Telemetry Fundamentals
  10. Telemetry Subscription Configuration
  11. Telemetry Data Verification
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Percentages reflect share of the current practice bank, not official exam weightings — no structured per-skill weight is published for CCIE-ENTERPRISE-INFRASTRUCTURE, so none is invented.