Cisco Certified Network Associate (200-125

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.
The following topics are general guidelines for the content likely to be included on the exam. However,
other related topics may also appear on any specific delivery of the exam. In order to better reflect the
contents of the exam and for clarity purposes, the guidelines below may change at any time without


Network Fundamentals
Compare and contrast OSI and TCP/IP models


Compare and contrast TCP and UDP protocols


Describe the impact of infrastructure components in an enterprise network
1.3.a Firewalls
1.3.b Access points
1.3.c Wireless controllers


Describe the effects of cloud resources on enterprise network architecture
1.4.a Traffic path to internal and external cloud services
1.4.b Virtual services
1.4.c Basic virtual network infrastructure


Compare and contrast collapsed core and three-tier architectures


Compare and contrast network topologies
1.6.a Star
1.6.b Mesh
1.6.c Hybrid


Select the appropriate cabling type based on implementation requirements


Apply troubleshooting methodologies to resolve problems
1.8.a Perform and document fault isolation
1.8.b Resolve or escalate
1.8.c Verify and monitor resolution


Configure, verify, and troubleshoot IPv4 addressing and subnetting


Compare and contrast IPv4 address types

2016 Cisco Systems, Inc. This document is Cisco Public.

Page 1

1Q 2.c Frame flooding 2. verify.2 Interpret Ethernet frame format 2.4 Configure.12 Identify the appropriate IPv6 addressing scheme to satisfy addressing requirements in a LAN/WAN environment 1. and troubleshoot interswitch connectivity 2.a Global unicast 1. and troubleshoot IPv6 addressing 1.15.g Anycast 2.b Add and remove VLANs on a trunk 2.0 2.d Multicast 1. Inc.1.10.1.b Frame switching LAN Switching Technologies Describe and verify switching concepts 2.1. speed) 2.15.d Native VLAN 2.4.b STP root bridge selection 2016 Cisco Systems. This document is Cisco Public.c Multicast 21% 1.6.15 Compare and contrast IPv6 address types 1. and 802.1.e Modified EUI 64 1. verify.5.10.a MAC learning and aging 2.b Unique local 1. verify.4.c Link local 1.10.a Trunk ports 2.6.6 Configure. Page 2 .b Default VLAN 2. and troubleshoot STP protocols 2.1.f Autoconfiguration 1.15.a Access ports (data and voice) 2. verify. errors.a STP mode (PVST+ and RPVST+) 2.5.5 Configure.5.c DTP. VTP (v1&v2).15.11 Describe the need for private IPv4 addressing 1.13 Configure.3 Troubleshoot interface and cable issues (collisions.14 Configure and verify IPv6 Stateless Address Auto Configuration 1.b Broadcast 1.a Unicast 1.15.5. duplex.d MAC address table 2. and troubleshoot VLANs (normal/extended range) spanning multiple switches 2.

c LACP 2.2.d Routing protocol code 3. verify. verify.6 Compare and contrast distance vector and link state routing protocols 3.0 3.2. This document is Cisco Public. and troubleshoot (Layer 2/Layer 3) EtherChannel 2.b Network mask 3.2.1 Routing Technologies Describe the routing concepts 3.b BPDU guard 2.a Router on a stick 3.4.8 Configure.b LLDP 2.5 Compare and contrast static routing and dynamic routing 3.9. verify and troubleshoot STP related optional features 2.7.a Cisco Discovery Protocol 2.7 Compare and contrast interior and exterior routing protocols 3.10 Describe the benefits of switch stacking and chassis aggregation 3.2.1.a Packet handling along the path through a network 3.8 Configure and verify Layer 2 protocols 2.2 Interpret the components of a routing table 3.c Next hop 3.a Default route 3.7 Configure. verify.e Administrative distance 3.8.23% 2.4.a Static 2.2.b Network route 2016 Cisco Systems.f Metric 3.a Admin distance 3. Page 3 .1.2. Inc.3 Describe how a routing table is populated by different routing information sources 3.a PortFast 2. and troubleshoot inter-VLAN routing 3.b SVI 3.a Prefix 3. and troubleshoot IPv4 and IPv6 static routing 3.8.c Frame rewrite 3.7.b PAGP Forwarding decision based on route lookup 3.g Gateway of last resort 3.4 Configure. Configure.

verify.4. and troubleshoot EIGRP for IPv6 (excluding authentication. and LSAs) 3.5 Describe WAN access connectivity options 4. virtuallink.c Broadband PPPoE 4. virtuallink. stub) 3.3. manual summarization. and LSAs) 3. verify. and troubleshoot GRE tunnel connectivity 4.5.d Single vs dual-homed 4.0 4. stub.13 Configure. redistribution) 3. filtering.7 Describe basic QoS concepts 4. manual summarization. filtering.a Marking 2016 Cisco Systems. verify.10 Configure.d Internet VPN (DMVPN.4 Describe WAN topology options 4. and troubleshoot PPPoE client-side interfaces using local authentication 4.c 3. and troubleshoot single area and multi-area OSPFv2 for IPv4 (excluding authentication.11 Configure.d 10% Host route Floating static 3. and troubleshoot RIPv2 for IPv4 (excluding authentication. manual summarization. manual summarization. redistribution.4.b Hub and spoke 4.6 Configure and verify single-homed branch connectivity using eBGP IPv4 (limited to peering and route advertisement using Network command only) 4.5. filtering.5. Page 4 .8. stub. filtering.14 Troubleshoot basic Layer 3 end-to-end connectivity issues 4.9 Configure.2 Configure. redistribution.1 WAN Technologies Configure and verify PPP and MLPPP on WAN interfaces using local authentication 4. verify.a MPLS 4. manual summarization. site-to-site VPN.12 Configure.a Point-to-point 4. client VPN) 4.7. verify. verify. and troubleshoot single area and multi-area OSPFv3 for IPv6 (excluding authentication.4. This document is Cisco Public. verify. filtering.3 Configure. redistribution.b Metro Ethernet 4. stub) 3. and troubleshoot EIGRP for IPv4 (excluding authentication.4. Inc. redistribution.5.8.c Full mesh 4.

1x 6.5 Configure.a Static 5.7.c.7.4.c Version 5.e Violation actions 6. verify.7. and gateway options 5.d TFTP.3.a 802.3.c. (iii) Data Shaping Policing Congestion management 5.6 Configure. Page 5 .2.7 Configure and verify NTP operating in a client/server mode 6.7.c Sticky Describe common access layer threat mitigation techniques 6.1.c PAT 5. (i) Voice 4.3. and troubleshoot basic HSRP Err-disable recovery 6.1.1 Infrastructure Security Configure.b DHCP snooping 2016 Cisco Systems.d 4.b Preemption 5.b Pool 5.a Priority 5.2 Troubleshoot client connectivity issues involving DNS 5. DNS.5.0 5.a Server 5.a Static 6.c. (ii) Video 4. Inc.5.b Dynamic 6. and troubleshoot port security 6.b 4.7.1 Infrastructure Services Describe DNS lookup operation 5.f 10% 11% Device trust Prioritization 4.3. verify. verify.0 6.6. This document is Cisco Public.c Client 5.b Relay 5.d Max MAC addresses 6. and troubleshoot inside source NAT 5.1.6.and router-based DHCP connectivity issues 5.4 Troubleshoot client.c 4.3 Configure and verify DHCP on a router (excluding static reservations) 5.1.e 4.7.

5.6 Use Cisco IOS tools to troubleshoot and resolve problems 7.3.c.3.c Licensing 7.6.3 Configure.b Password recovery and configuration register 7.3.a Ping and traceroute with extended option 7. verify.c. FTP.a Local authentication 6.2 Troubleshoot network connectivity issues using ICMP echo-based IP SLA Named 6.5.b Secure password 6.6.b SNMPv3 7.b Terminal monitor 7.b Extended 6.b Using Cisco Discovery Protocol or LLDP for device discovery 7.3 Configure and verify device management 7.2. (ii) Telnet/SSH 6. Page 6 . TFTP.5. and MD5 verify) 7.e Timezone 7. (i) Source address 6.5 Configure.a Cisco IOS upgrades and recovery (SCP.4 Verify ACLs using the APIC-EM Path Trace ACL Analysis tool 6.c 10% Nondefault native VLAN 6.a SNMPv2 7.1. This document is Cisco Public.5 Perform device maintenance 7.c Syslog 7.3.4 Configure and verify initial device configuration 7.5.c Access to device 6. and troubleshoot basic device hardening 6.c File system management 7.5.6. and troubleshoot IPv4 and IPv6 access list for traffic filtering 6.1 Infrastructure Management Configure and verify device-monitoring protocols 7.3.d Logging 7.1.d Local SPAN 2016 Cisco Systems.c Log events 7. Inc.a Backup and restore device configuration 7.f Loopback 7.a Standard 6.d Login banner 6.5.6 Describe device security using AAA with TACACS+ and RADIUS 7. verify.3.

7.7.7.a Function of a controller 7. This document is Cisco Public. Inc.b Separation of control plane and data plane 7. Page 7 .c Northbound and southbound APIs 2016 Cisco Systems.7.7 Describe network programmability in enterprise network architecture 7.

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