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

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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 notice.
15% 1.0 Network Fundamentals
1.1 Compare and contrast OSI and TCP/IP models

1.2 Compare and contrast TCP and UDP protocols

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

1.4 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

1.5 Compare and contrast collapsed core and three-tier architectures

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

1.7 Select the appropriate cabling type based on implementation requirements

1.8 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

1.9 Configure, verify, and troubleshoot IPv4 addressing and subnetting

1.10 Compare and contrast IPv4 address types
2016 Cisco Systems, Inc. This document is Cisco Public. Page 2

15 Compare and contrast IPv6 address types 1.a MAC learning and aging 2.6 Configure.5. and troubleshoot IPv6 addressing 1.f Autoconfiguration 1. Page 3 .a Global unicast 1.d MAC address table 2.e Modified EUI 64 1.11 Describe the need for private IPv4 addressing 1.1Q 2.4 Configure. VTP (v1&v2).14 Configure and verify IPv6 Stateless Address Auto Configuration 1. verify.13 Configure.a Access ports (data and voice) 2.d Multicast 1.a Trunk ports 2.15.c Link local 1. verify.5.c DTP.b Unique local 1.10.c Frame flooding 2.1 Describe and verify switching concepts 2. and troubleshoot STP protocols 2.4.c Multicast 1.15.10. duplex. and troubleshoot VLANs (normal/extended range) spanning multiple switches 2. This document is Cisco Public.b Default VLAN 2.b Add and remove VLANs on a trunk 2.1.6. and 802. Inc.12 Identify the appropriate IPv6 addressing scheme to satisfy addressing requirements in a LAN/WAN environment 1.0 LAN Switching Technologies 2.5.5 Configure.1. errors.1.3 Troubleshoot interface and cable issues (collisions.15. verify. Anycast 21% verify.a STP mode (PVST+ and RPVST+) 2.2 Interpret Ethernet frame format 2.10.6.d Native VLAN 2.1. speed) 2.a Unicast 1.b STP root bridge selection 2016 Cisco Systems.b Broadcast 1. and troubleshoot interswitch connectivity 2.b Frame switching 2.

9 Configure.a PortFast 2.b BPDU guard 2.8.c LACP 2.10 Describe the benefits of switch stacking and chassis aggregation .9. and troubleshoot (Layer 2/Layer 3) EtherChannel 2.a Static 2.b LLDP 2.9.2. verify. verify and troubleshoot STP related optional features 2.7.a Cisco Discovery Protocol 2.8 Configure and verify Layer 2 protocols 2.9.7 Configure.b PAGP 2.7.8.