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Cisco CCNA 200-301 · exam topics v1.1

Every CCNA objective, explained from zero.

53 objectives, following Cisco's official blueprint numbering. Each one gives you the plain-English explanation, the exact details the exam tests, a working IOS configuration, and the mistakes that cost people the pass.

Start with Domain 1How to use this guide

The six exam domains

Domains 1, 2 and 3 are 65% of the exam. Subnetting, VLANs and trunking, Spanning Tree, the routing table and OSPF are where your study time pays back the most.

  1. 1

    Network Fundamentals

    20%

    Devices, topologies, cabling, TCP/UDP, IPv4 and IPv6 addressing and subnetting, wireless and virtualization basics, switching concepts

    13 objectives

  2. 2

    Network Access

    20%

    VLANs, trunking, CDP/LLDP, EtherChannel, Spanning Tree, wireless architectures and the WLC

    9 objectives

  3. 3

    IP Connectivity

    25%

    Routing tables, how routers choose routes, static routing, single-area OSPFv2, first hop redundancy

    5 objectives

  4. 4

    IP Services

    10%

    NAT, NTP, DHCP, DNS, SNMP, syslog, QoS, SSH, TFTP/FTP

    9 objectives

  5. 5

    Security Fundamentals

    15%

    Threats, device hardening, VPNs, ACLs, Layer 2 security, AAA, wireless security

    10 objectives

  6. 6

    Automation and Programmability

    10%

    SDN, controllers, APIs, AI/ML in networking, Ansible/Terraform, JSON

    7 objectives

How the guide is written

  • Blueprint numbering, end to end

    Sections use Cisco's own numbering — 1.1 through 6.7, sub-objectives included — so you can always check your progress against the official topic list.

  • Configuration you can type

    Every configuration example is a real IOS session with the verification commands that follow it. Type them into Packet Tracer and compare your output to the guide.

  • Callouts that earn their place

    Key Facts collect the numbers to know cold, Exam Tips show how a topic is asked, and Common Mistakes flag what candidates get wrong. Beginner Notes fill in background if a term is new.

  • Practice at the end of every domain

    Fifteen exam-style questions per domain, with a worked explanation for every answer — including why the distractors are wrong.

Reference

Appendix A

Subnetting cheat sheet

Powers of two, the full /8–/32 prefix table, the magic-number method, and worked problems.

Appendix B

Command reference

Every IOS command in the guide, grouped by task, with the verification command that proves it.

Appendix C

Numbers to memorize

Ports, administrative distances, STP and OSPF timers, DSCP values — the night-before review.