Exam Description:The Cisco Certified Network Associate (CCNA) Routing and Switching composite exam (200-125) is a 90-minute, 50-60 question assessment that is associated with the CCNA Routing and Switching certification. This exam tests a candidate’s knowledge and skills related to network fundamentals, LAN switching technologies, IPv4 and IPv6 routing technologies, WAN technologies, infrastructure services, infrastructure security, and infrastructure management.
1.0 Network Fundamentals
- Compare & contrast OSI & TCP/IP models
- Compare & contrast TCP & UDP protocols
- Impact of infrastructure components in a network
- Firewalls, Access points, Wireless controllers
- Effects of cloud resources on network architecture
- Traffic path to internal and external cloud services
- Virtual services
- Basic virtual network infrastructure
- Compare & contrast collapsed core and three-tier architecture
- Compare & contrast network topologies
- Star, Mesh, Hybrid
- Select the appropriate cabling type (Straight & Cross)
- Apply troubleshooting methodologies to resolve problems
- Perform and document fault isolation
- Resolve or escalate
- Verify & monitor resolution
- Configure, verify & troubleshoot IPv4 addressing & subnetting
- Compare & contrast IPv4 address types
- Unicast, Broadcast, Multicast
- Describe the need for private IPv4 addressing
- Identify IPv6 addressing to use in LAN/WAN environment
- Configure, verify & troubleshoot IPv6 addressing
- Configure & verify IPv6 Stateless Address Auto Configuration
- Compare & contrast IPv6 address types
- Global unicast, Unique local, Link local, Multicast, Modified EUI 64, Autoconfiguration, Anycast
2.0 LAN Switching Technologies
- Describe & verify switching concepts
- MAC learning & aging, Frame switching, Frame flooding, MAC address table
- Interpret Ethernet frame format
- Troubleshoot interface & cable issues (collisions, errors, duplex, speed)
- Configure, verify, and troubleshoot VLANs (normal/extended range) spanning multiple switches
- Access ports (data & voice), Default VLAN
- Configure, verify, and troubleshoot inter- switch connectivity
- Trunk ports, Add & remove VLANs on a trunk
- DTP, VTP (v1&v2), and 802.1Q Native VLAN
- Configure, verify, & troubleshoot STP protocols
- STP mode (PVST+ and RPVST+), STP root bridge selection
- Configure, verify & troubleshoot STP related optional features
- PortFast, BPDU guard
- Configure & verify Layer 2 protocols
- Cisco Discovery Protocol, LLDP
- Configure, verify, & troubleshoot (Layer 2/Layer 3) EtherChannel
- Static, PAGP, LACP
- Describe the benefits of switch stacking & chassis aggregation
3.0 Routing Technologies
- Describe the routing concepts
- Packet handling along the path through a network
- Forwarding decision based on route lookup
- Frame rewrite
- Interpret the components of a routing table
- Prefix, Network mask, Next hop, Routing protocol code
- Administrative distance, Metric
- Gateway of last resort & Admin distance
- Configure, verify, & troubleshoot inter-VLAN routing
- Router on a stick & SVI
- Compare & contrast static routing & dynamic routing
- Compare & contrast distance vector and link state routing protocols
- Compare & contrast interior and exterior routing protocols
- Configure, verify & troubleshoot IPv4 and IPv6 static routing
- Default route, Network route, Host route, Floating static
- Configure, verify & troubleshoot single area & multi-area OSPFv2 for IPv4 & IPv6 (excluding authentication, filtering, manual summarization, redistribution, stub, virtual-link, and LSAs)
- Configure, verify & troubleshoot EIGRP for IPv4 & IPv6 (excluding authentication, filtering, manual summarization, redistribution, stub)
- Configure, verify, and troubleshoot RIPv2 for IPv4 (excluding authentication, filtering, manual summarization, redistribution)
- Troubleshoot basic Layer 3 end-to-end connectivity issues
4.0 WAN Technologies
- Configure & verify PPP and MLPPP on WAN interfaces using local authentication
- Configure, verify, & troubleshoot PPPoE client-side interfaces using local authentication
- Configure, verify, & troubleshoot GRE tunnel connectivity
- Describe WAN topology options
- Point-to-point, Hub and spoke, Full mesh, Single vs dual-homed
- Describe WAN access connectivity options
- MPLS, Metro Ethernet, Broadband PPPoE, Internet VPN (DMVPN, site-to-site VPN, client VPN)
- Configure and verify single-homed branch connectivity using eBGP
- Pv4 (limited to peering and route advertisement using Network command only)
- Describe basic QoS concepts
- Marking, Device trust, Prioritization, (Voice, Video & Data)
- Shaping, Policing, Congestion management
5.0 Infrastructure Services
- Describe DNS lookup operation
- Troubleshoot client connectivity issues involving DNS
- Configure and verify DHCP on a router (excluding static reservations)
- Server, Relay, Client, TFTP, DNS, & gateway options
- Troubleshoot client- and router-based DHCP connectivity issues
- Configure, verify, and troubleshoot basic HSRP
- Priority, Pre-emption, Version
- Configure, verify, and troubleshoot inside source NAT
- Static, Pool, PAT
- Configure and verify NTP operating in a client/server mode
6.0 Infrastructure Services
- Configure, verify, and troubleshoot port security
- Static, Dynamic, Sticky, Max MAC addresses, Violation actions & Err-disable recovery
- Describe common access layer threat mitigation techniques
- 802.1x, DHCP snooping, Nondefault native VLAN
- Configure, verify, and troubleshoot IPv4 and IPv6 access list for traffic filtering
- Standard, Extended, Named
- Verify ACLs using the APIC-EM Path Trace ACL analysis tool
- Configure, verify, and troubleshoot basic device hardening
- Local authentication, Secure password, Access to device (Source address & Telnet/SSH)
- Login banner, Describe device security using AAA with TACACS+ and RADIUS
7.0 Infrastructure Management
- Configure and verify device-monitoring protocols
- SNMPv2, SNMPv3 & Syslog
- Troubleshoot network connectivity issues using ICMP echo-based IP SLA
- Configure and verify device management
- Backup and restore device configuration
- Using CDP or LLDP for device discovery
- Licensing, Logging, Time zone & Loopback
- Configure and verify initial device configuration , Perform device maintenance
- Cisco IOS upgrades and recovery (SCP, FTP, TFTP, and MD5 verify)
- Password recovery and configuration register & File system management
- Use Cisco IOS tools to troubleshoot and resolve problems
- Ping & trace route with extended option
- Terminal monitor, Log events, Local SPAN
- Describe network programmability in enterprise network architecture
- Function of a controller
- Separation of control plane and data plane
- Northbound and southbound APIs