CCNA-200-125 ISBN: 978-1-61691-677-0
Cisco CCNA 200-125 Certified Network Associate
Cisco CCNA certification is a globally recognized, foundational-level credential designed for IT professionals, IT network practitioners to validate the expertise and technical knowledge required for WAN Technologies; Network Fundamentals; LAN Switching Technologies; Routing Technologies; Infrastructure Services; Infrastructure Management; and Infrastructure Security.
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01 / About
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Target Career Roles
- Network Specialist
- Network Technician
- Network Administrator
- Network Support Engineer
02 / Lessons & labs
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Lessons
92 Interactive Lessons · 483 topics01 Introduction 3 topics +
- About the Exams
- Part Features
- Book Organization, Lessons, and Appendixes
02 Introduction to TCP/IP Networking 5 topics +
- Perspectives on Networking
- TCP/IP Networking Model
- OSI Networking Model
- Lesson Summary
- Review All the Key Topics
03 Fundamentals of Ethernet LANs 5 topics +
- An Overview of LANs
- Building Physical Ethernet Networks with UTP
- Sending Data in Ethernet Networks
- Lesson Summary
- Review All the Key Topics
04 Fundamentals of WANs 5 topics +
- Leased-Line WANs
- Ethernet as a WAN Technology
- Accessing the Internet
- Lesson Summary
- Review All the Key Topics
05 Fundamentals of IPv4 Addressing and Routing 7 topics +
- Overview of Network Layer Functions
- IPv4 Addressing
- IPv4 Routing
- IPv4 Routing Protocols
- Other Network Layer Features
- Lesson Summary
- Review All the Key Topics
06 Fundamentals of TCP/IP Transport and Applications 4 topics +
- TCP/IP Layer 4 Protocols: TCP and UDP
- TCP/IP Applications
- Lesson Summary
- Review All the Key Topics
07 Using the Command-Line Interface 5 topics +
- Accessing the Cisco Catalyst Switch CLI
- Configuring Cisco IOS Software
- Lesson Summary
- Review All the Key Topics
- Command References
08 Analyzing Ethernet LAN Switching 4 topics +
- LAN Switching Concepts
- Verifying and Analyzing Ethernet Switching
- Lesson Summary
- Review All the Key Topics
09 Configuring Basic Switch Management 5 topics +
- Securing the Switch CLI
- Enabling IPv4 for Remote Access
- Miscellaneous Settings Useful in Lab
- Lesson Summary
- Review All the Key Topics
10 Configuring Switch Interfaces 4 topics +
- Configuring Switch Interfaces
- Port Security
- Lesson Summary
- Review All the Key Topics
11 Analyzing Ethernet LAN Designs 5 topics +
- Analyzing Collision Domains and Broadcast Domains
- Analyzing Campus LAN Topologies
- Analyzing LAN Physical Standard Choices
- Lesson Summary
- Review All the Key Topics
12 Implementing Ethernet Virtual LANs 5 topics +
- Virtual LAN Concepts
- VLAN and VLAN Trunking Configuration and Verification
- Lesson Summary
- Review All the Key Topics
- Command References
13 Troubleshooting Ethernet LANs 8 topics +
- Perspectives on Applying Troubleshooting Methodologies
- Analyzing Switch Interface Status and Statistics
- Predicting Where Switches Will Forward Frames
- Analyzing Port Security Operations on an Interface
- Analyzing VLANs and VLAN Trunks
- Lesson Summary
- Review All the Key Topics
- Command References
14 Perspectives on IPv4 Subnetting 6 topics +
- Introduction to Subnetting
- Analyze Subnetting and Addressing Needs
- Make Design Choices
- Plan the Implementation
- Lesson Summary
- Review All the Key Topics
15 Analyzing Classful IPv4 Networks 8 topics +
- Classful Network Concepts
- Practice with Classful Networks
- Lesson Summary
- Review All the Key Topics
- Answers to Earlier Practice Problems
- Answers to Practice Problem 7 (from Table 14-4)
- Answers to Practice Problem 8 (from Table 14-4)
- Answers to Practice Problem 9 (from Table 14-4)
16 Analyzing Subnet Masks 5 topics +
- Subnet Mask Conversion
- Identifying Subnet Design Choices Using Masks
- Lesson Summary
- Review All the Key Topics
- Answers to Earlier Practice Problems
17 Analyzing Existing Subnets 7 topics +
- Defining a Subnet
- Analyzing Existing Subnets: Binary
- Analyzing Existing Subnets: Decimal
- Practice Analyzing Existing Subnets
- Lesson Summary
- Review All the Key Topics
- Answers to Earlier Practice Problems
18 Operating Cisco Routers 5 topics +
- Installing Cisco Routers
- Enabling IPv4 Support on Cisco Router Interfaces
- Lesson Summary
- Review All the Key Topics
- Command References
19 Configuring IPv4 Addresses and Static Routes 6 topics +
- IP Routing
- Configuring IP Addresses and Connected Routes
- Configuring Static Routes
- Lesson Summary
- Review All the Key Topics
- Command References
20 Learning IPv4 Routes with RIPv2 7 topics +
- RIP and Routing Protocol Concepts
- Core RIPv2 Configuration and Verification
- Optional RIPv2 Configuration and Verification
- Troubleshooting RIPv2
- Lesson Summary
- Review All the Key Topics
- Command References
21 DHCP and IP Networking on Hosts 6 topics +
- Implementing and Troubleshooting DHCP
- Verifying Host IPv4 Settings
- IPv4 Address Types
- Lesson Summary
- Review All the Key Topics
- Command References
22 Subnet Design 7 topics +
- Choosing the Mask(s) to Meet Requirements
- Finding All Subnet IDs
- Lesson Summary
- Review All the Key Topics
- Additional Practice for This Lesson’s Processes
- Answers to Practice Choosing Subnet Masks
- Answers to Practice Finding All Subnet IDs
23 Variable-Length Subnet Masks 7 topics +
- VLSM Concepts and Configuration
- Finding VLSM Overlaps
- Adding a New Subnet to an Existing VLSM Design
- Lesson Summary
- Review All the Key Topics
- Additional Practice for This Lesson’s Processes
- Answers to Practice Finding VLSM Overlaps
24 IPv4 Troubleshooting Tools 5 topics +
- Problem Isolation Using the ping Command
- Problem Isolation Using the traceroute Command
- Telnet and SSH
- Lesson Summary
- Review All the Key Topics
25 Troubleshooting IPv4 Routing 4 topics +
- Problems Between the Host and the Default Router
- Problems with Routing Packets Between Routers
- Lesson Summary
- Review All the Key Topics
26 Basic IPv4 Access Control Lists 8 topics +
- IPv4 Access Control List Basics
- Standard Numbered IPv4 ACLs
- Practice Applying Standard IP ACLs
- Lesson Summary
- Review All the Key Topics
- Additional Practice for This Lesson’s Processes
- Command References
- Answers to Earlier Practice Problems
27 Advanced IPv4 Access Control Lists 7 topics +
- Extended Numbered IP Access Control Lists
- Named ACLs and ACL Editing
- Troubleshooting with IPv4 ACLs
- Lesson Summary
- Review All the Key Topics
- Command References
- Answers to Earlier Practice Problems
28 Network Address Translation 6 topics +
- Perspectives on IPv4 Address Scalability
- Network Address Translation Concepts
- NAT Configuration and Troubleshooting
- Lesson Summary
- Review All the Key Topics
- Command References
29 Fundamentals of IP Version 6 6 topics +
- Introduction to IPv6
- IPv6 Addressing Formats and Conventions
- Lesson Summary
- Review All the Key Topics
- Additional Practice for This Lesson’s Processes
- Answers to Earlier Practice Problems
30 IPv6 Addressing and Subnetting 4 topics +
- Global Unicast Addressing Concepts
- Unique Local Unicast Addresses
- Lesson Summary
- Review All the Key Topics
31 Implementing IPv6 Addressing on Routers 7 topics +
- Implementing Unicast IPv6 Addresses on Routers
- Special Addresses Used by Routers
- Lesson Summary
- Review All the Key Topics
- Additional Practice for This Lesson’s Processes
- Command References
- Answers to Earlier Practice Problems
32 Implementing IPv6 Addressing on Hosts 6 topics +
- The Neighbor Discovery Protocol
- Dynamic Configuration of Host IPv6 Settings
- Troubleshooting IPv6 Addressing
- Lesson Summary
- Review All the Key Topics
- Command References
33 Implementing IPv6 Routing 5 topics +
- Connected and Local IPv6 Routes
- Static IPv6 Routes
- Lesson Summary
- Review All the Key Topics
- Command References
34 Device Management Protocols 6 topics +
- System Message Logging (Syslog)
- Network Time Protocol (NTP)
- Analyzing Topology Using CDP and LLDP
- Lesson Summary
- Review All the Key Topics
- Command References
35 Device Security Features 5 topics +
- Securing IOS Passwords
- Cisco Device Hardening
- Lesson Summary
- Review All the Key Topics
- Command References
36 Managing IOS Files 6 topics +
- Managing Cisco IOS Images and Upgrades
- Password Recovery
- Managing Configuration Files
- Lesson Summary
- Review All the Key Topics
- Command References
37 IOS License Management 6 topics +
- IOS Packaging
- IOS Software Activation with Universal Images
- Managing Software Activation with Cisco License Manager
- Lesson Summary
- Review All the Key Topics
- Command References
38 Final Review 2 topics +
- Advice About the Exam Event
- Exam Review
39 Appendix A: Numeric Reference Tables +
40 Appendix B: Practice for Lesson 14: Analyzing Classful IPv4 Networks 2 topics +
- Practice Problems
- Answers
41 Appendix C: Practice for Lesson 15: Analyzing Subnet Masks 4 topics +
- Mask Conversion Problems
- Answers to Mask Conversion Problems
- Mask Analysis Problems
- Answers to Mask Analysis Problems
42 Appendix D: Practice for Lesson 16: Analyzing Existing Subnets 2 topics +
- Practice Problems
- Answers
43 Appendix E: Practice for Lesson 21: Subnet Design 3 topics +
- Mask Design Practice Problems
- Mask Design Answers
- Practice Finding All Subnet IDs
44 Appendix F: Practice for Lesson 22: Variable-Length Subnet Masks 2 topics +
- Practice Problems
- Answers
45 Appendix G: Practice for Lesson 25: Basic IPv4 Access Control Lists 6 topics +
- Practice Problems
- Practice Building access-list Commands
- Reverse Engineering from ACL to Address Range
- Answers to Earlier Practice Problems
- Answers: Practice Building access-list Commands
- Answers: Reverse Engineering from ACL to Address Range
46 Appendix H: Practice for Lesson 28: Fundamentals of IP Version 6 4 topics +
- Address Abbreviating and Expanding Problems
- Calculating the IPv6 Prefix Problems
- Answers to Address Abbreviating and Expanding Problems
- Answers to Calculating IPv6 Prefix Problems
47 Appendix I: Practice for Lesson 30: Implementing IPv6 Addressing on Routers 2 topics +
- EUI-64 and Solicited Node Multicast Problems
- Answers to EUI-64 and Solicited Node Multicast Problems
48 Appendix J: Classless Inter-domain Routing 6 topics +
- Using CIDR Classless Prefixes
- Understanding Subnetted CIDR Classless Prefixes
- Challenges with CIDR Terminology and Processes
- Review All the Key Topics
- Answers to Earlier Practice Problems
- Practice for Lesson 30: Implementing IPv6 Addressing on Routers
49 Appendix K: Route Summarization 9 topics +
- Manual Route Summarization Concepts
- Choosing the Best Summary Routes
- Exam Preparation Tasks
- Review All the Key Topics
- Answers to Earlier Practice Problems
- Problem 1
- Problem 2
- Problem 3
- Problem 4
50 Appendix L: Implementing Point-to-Point WANs 4 topics +
- Leased Line WANs with HDLC
- Leased Line WANs with PPP
- Troubleshooting Serial Links
- Command References
51 Appendix M: Topics from Previous Editions 17 topics +
- Internal Processing on Cisco Switches
- IOS Version and Other Reload Facts
- Secondary IP Addressing
- Internal Processing on Cisco Routers
- Potential Routing Performance Issues
- Cisco Router Fast Switching and CEF
- OSPF Configuration
- OSPF Single-Area Configuration
- Configuring the OSPF Router ID
- Miscellaneous OSPF Configuration Settings
- Name Resolution with DNS
- IOS Reorders ACEs
- IOS Renumbers ACL Line Numbers, by 10s, at Reload
- NAT Overload (PAT) on Consumer Routers
- Dynamic Routes with OSPFv3
- Comparing OSPF for IPv4 and IPv6
- Verifying OSPFv3 Status and Routes
52 Appendix N: Exam Topics Cross Reference 3 topics +
- ICND1 100-105 Exam Topic Order
- Book Lessons, with Exam Topics Covered in Each
- CCNA R&S 200-125 Exam Topics
53 Introduction 8 topics +
- About the Exams
- Book Features
- Book Organization, Lessons, and Appendixes
- Reference Information
- PCPT Exam Databases with This Book
- About Mind Maps
- About Building Hands-On Skills
- For More Information
54 Your Study Plan 3 topics +
- A Brief Perspective on Cisco Certification Exams
- Five Study Plan Steps
- Things to Do Before Starting the First Lesson
55 Implementing Ethernet Virtual LANs 5 topics +
- Virtual LAN Concepts
- VLAN and VLAN Trunking Configuration and Verification
- Lesson Summary
- Review All the Key Topics
- Command References
56 Spanning Tree Protocol Concepts 5 topics +
- Spanning Tree Protocol (IEEE 802.1D)
- Rapid STP (IEEE 802.1w) Concepts
- Optional STP Features
- Lesson Summary
- Review All the Key Topics
57 Spanning Tree Protocol Implementation 6 topics +
- Implementing STP
- Implementing Optional STP Features
- Implementing RSTP
- Lesson Summary
- Review All the Key Topics
- Command References
58 LAN Troubleshooting 7 topics +
- Troubleshooting STP
- Troubleshooting Layer 2 EtherChannel
- Analyzing the Switch Data Plane Forwarding
- Troubleshooting VLANs and VLAN Trunks
- Lesson Summary
- Review All the Key Topics
- Command References
59 VLAN Trunking Protocol 6 topics +
- VLAN Trunking Protocol (VTP) Concepts
- VTP Configuration and Verification
- VTP Troubleshooting
- Lesson Summary
- Review All the Key Topics
- Command References
60 Miscellaneous LAN Topics 6 topics +
- Securing Access with IEEE 802.1x
- AAA Authentication
- DHCP Snooping
- Switch Stacking and Chassis Aggregation
- Lesson Summary
- Review All the Key Topics
61 Understanding OSPF Concepts 5 topics +
- Comparing Dynamic Routing Protocol Features
- OSPF Concepts and Operation
- OSPF Area Design
- Lesson Summary
- Review All the Key Topics
62 Implementing OSPF for IPv4 6 topics +
- Implementing Single-Area OSPFv2
- Implementing Multiarea OSPFv2
- Additional OSPF Features
- Lesson Summary
- Review All the Key Topics
- Command References
63 Understanding EIGRP Concepts 4 topics +
- EIGRP and Distance Vector Routing Protocols
- EIGRP Concepts and Operation
- Lesson Summary
- Review All the Key Topics
64 Implementing EIGRP for IPv4 6 topics +
- Core EIGRP Configuration and Verification
- EIGRP Metrics, Successors, and Feasible Successors
- Other EIGRP Configuration Settings
- Lesson Summary
- Review All the Key Topics
- Command References
65 Troubleshooting IPv4 Routing Protocols 6 topics +
- Perspectives on Troubleshooting Routing Protocol Problems
- Interfaces Enabled with a Routing Protocol
- Neighbor Relationships
- Lesson Summary
- Review All the Key Topics
- Command References
66 Implementing External BGP 5 topics +
- BGP Concepts
- eBGP Configuration and Verification
- Lesson Summary
- Review All the Key Topics
- Command References
67 Implementing Point-to-Point WANs 6 topics +
- Leased-Line WANs with HDLC
- Leased-Line WANs with PPP
- Troubleshooting Serial Links
- Lesson Summary
- Review All the Key Topics
- Command References
68 Private WANs with Ethernet and MPLS 4 topics +
- Metro Ethernet
- Multiprotocol Label Switching (MPLS)
- Lesson Summary
- Review All the Key Topics
69 Private WANs with Internet VPN 6 topics +
- Internet Access and Internet VPN Fundamentals
- GRE Tunnels and DMVPN
- PPP over Ethernet
- Lesson Summary
- Review All the Key Topics
- Command References
70 Basic IPv4 Access Control Lists 8 topics +
- IPv4 Access Control List Basics
- Standard Numbered IPv4 ACLs
- Practice Applying Standard IP ACLs
- Lesson Summary
- Review All the Key Topics
- Additional Practice for This Lesson’s Processes
- Command References
- Answers to Earlier Practice Problems
71 Advanced IPv4 Access Control Lists 7 topics +
- Extended Numbered IP Access Control Lists
- Named ACLs and ACL Editing
- Troubleshooting with IPv4 ACLs
- Lesson Summary
- Review All the Key Topics
- Command References
- Answers to Earlier Practice Problems
72 Quality of Service (QoS) 7 topics +
- Introduction to QoS
- Classification and Marking
- Congestion Management (Queuing)
- Shaping and Policing
- Congestion Avoidance
- Lesson Summary
- Review All the Key Topics
73 IPv4 Routing in the LAN 6 topics +
- VLAN Routing with Router 802.1Q Trunks
- VLAN Routing with Layer 3 Switch SVIs
- VLAN Routing with Layer 3 Switch Routed Ports
- Lesson Summary
- Review All the Key Topics
- Command References
74 Implementing HSRP for First-Hop Routing 6 topics +
- FHRP and HSRP Concepts
- Implementing HSRP
- Troubleshooting HSRP
- Lesson Summary
- Review All the Key Topics
- Command References
75 Troubleshooting IPv4 Routing 4 topics +
- Problems Between the Host and the Default Router
- Problems with Routing Packets Between Routers
- Lesson Summary
- Review All the Key Topics
76 IPv6 Routing Operation and Troubleshooting 5 topics +
- Normal IPv6 Operation
- Troubleshooting IPv6
- Lesson Summary
- Review All the Key Topics
- Command References
77 Implementing OSPF for IPv6 6 topics +
- OSPFv3 for IPv6 Concepts
- OSPFv3 Configuration
- OSPFv3 Verification and Troubleshooting
- Lesson Summary
- Review All the Key Topics
- Command References
78 Implementing EIGRP for IPv6 5 topics +
- EIGRP for IPv6 Configuration
- EIGRP for IPv6 Verification and Troubleshooting
- Lesson Summary
- Review All the Key Topics
- Command References
79 IPv6 Access Control Lists 8 topics +
- IPv6 Access Control List Basics
- Configuring Standard IPv6 ACLs
- Configuring Extended IPv6 ACLs
- Other IPv6 ACL Topics
- Lesson Summary
- Review All the Key Topics
- Command References
- Answers to Earlier Practice Problems
80 Network Management 6 topics +
- Simple Network Management Protocol
- IP Service Level Agreement
- SPAN
- Lesson Summary
- Review All the Key Topics
- Command References
81 Cloud Computing 5 topics +
- Cloud Computing Concepts
- WAN Traffic Paths to Reach Cloud Services
- Virtual Network Functions and Services
- Lesson Summary
- Review All the Key Topics
82 SDN and Network Programmability 5 topics +
- SDN and Network Programmability Basics
- Examples of Network Programmability and SDN
- Cisco APIC-EM Path Trace ACL Analysis Application
- Lesson Summary
- Review All the Key Topics
83 Final Review 2 topics +
- Advice About the Exam Event
- Exam Review
84 Appendix A: Numeric Reference Tables +
85 Appendix B: CCNA ICND2 200-105 Exam Updates 3 topics +
- Always Get the Latest at the Book’s Product Page
- Technical Content
- The APIC-EM Path Trace ACL Analysis Tool
86 Appendix C: Practice for Chapter 16: Basic IPv4 Access Control Lists 2 topics +
- Practice Problems
- Answers to Earlier Practice Problems
87 Appendix D: Learning IPv4 Routes with RIPv2 6 topics +
- RIP and Routing Protocol Concepts
- Core RIPv2 Configuration and Verification
- Optional RIPv2 Configuration and Verification
- Troubleshooting RIPv2
- Review All the Key Topics
- Command References
88 Appendix E: Understanding Frame Relay Concepts 4 topics +
- Frame Relay Overview
- Frame Relay Addressing
- Network Layer Addressing with Frame Relay
- Review All the Key Topics
89 Appendix F: Implementing Frame Relay 4 topics +
- Frame Relay Configuration and Verification
- Frame Relay Troubleshooting
- Review All the Key Topics
- Command Reference to Check Your Memory
90 Appendix G: IPv4 Troubleshooting Tools 5 topics +
- “Do I Know This Already?” Quiz
- Problem Isolation Using the ping Command
- Problem Isolation Using the traceroute Command
- Telnet and SSH
- Review All the Key Topics
91 Appendix H: Topics from Previous Editions 6 topics +
- Dial Access with Modems and ISDN
- Gateway Load Balancing Protocol (GLBP)
- HSRP Tracking
- (OSPFv2) Link-State Advertisements
- (OSPFv3) Link-State Advertisements
- IPv6 Routing Protocols as Discussed in This Book
92 Appendix I: Exam Topic Cross Reference 3 topics +
- ICND2 200-105 Exam Topics in Numeric Order
- Mapping of Book Lessons to ICND2 200-105 Exam Topics
- CCNA R&S Exam Topics with ICND2 Subset Noted
03 / Exam details
Cisco CCNA 200-125 Certified Network Associate Details
Cisco CCNA certification is a globally recognized, foundational-level credential designed for IT professionals, IT network practitioners to validate the expertise and technical knowledge required for WAN...
Questions
60-70
(per exam)
Duration
90 minutes
(per exam)
Delivered by
Pearson VUE
(in-person or online)
Practice Tests
1060 Practice Questions
(mapped to official exam objectives)
Certification
CCNA-200-125
Cisco credential
04 / Reviews
5.0
★★★★★
175 verified learner reviews
3M+ happy customers · 50+ countries
I really enjoyed the learning. The course was really awesome. Also, the platform has an excellent facility to make learning enjoyable and enrich. The lab work provides a great foun...dation for all domains covered in the certification exam.
Limawke josh · Network Engineer, Dimension Data
This is an extremely valuable course for anyone looking to earn their CCNA certification. The program is very well organized and easy to navigate. uCertify has packed this program ...with the tools necessary to become a qualified Cisco Certified Network Associate. One of my favorite tools is the Study Planner.
LeRoy Smith · Network Engineer - Veteran, ETAC Inc
05 / FAQs
Questions before you start
Where do I take the exam?+
How many questions are asked in the exam?+
The exam contains 60-70 questions.
What is the duration of the exam?+
90 minutes
What is the exam's retake policy?+
The policies for retaking exams are as follows:
- Once passed, a candidate must wait a minimum of 180 days before taking the same exam with an identical exam number.
- Candidates who fail any CCIE or CCDE written exam must wait for a period of 15 calendar days, beginning the day after the failed attempt, before retaking the same exam.
- Candidates who violate these policies are in violation of the agreement. Such conduct is strictly prohibited as described in the Cisco Certification and Confidentiality Agreement.
- Candidates who fail an Associate, Professional, or Specialist exam must wait a period of five (5) calendar days, beginning the day after the failed attempt, before they may retest for the same exam.
Where can I find more information about this exam?+
Keep going
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