Chapters & Articles

First Hop Redundancy Protocols (FHRPs) add the function of redundancy and load sharing for the default router function in any subnet. In this sample chapter you will learn the purpose, functions, and concepts of FHRPs. This chapter covers the following exam objectives from the CCNA 200-301 v1.1 exam: 3.0 IP Connectivity and 3.5 FHRPs.

Configuring OSPF, using mostly default settings for all the optional features, requires only a few commands. Here you will learn how to implement OSPFv2 using network Commands and Interface Subcommands. This sample chapter from CCNA 200-301 Official Cert Guide covers the following CCNA 200-301 v1.1 exam objectives: 3.0 IP Connectivity to 3.4.d Router ID.

Prepare for your CCST Networking exam in 31 days. Today's review focuses on the different measurements for network performance, the sources of delay, testing network performance online, and testing network performance using the Windows iPerf tool.

The pyATS library (Genie) provides the Genie Harness to execute network tests with dynamic and robust capabilities. The Genie Harness can be daunting for new users of the pyATS library (Genie), as there are many configuration options and parameters. By the end of the chapter, you'll understand the powerful capabilities of Genie Harness and how to write and execute triggers and verifications.

Learn common design strategies in SD-WAN and DMVPN deployments, and how to design and deploy these two technologies to integrate with other IBN domains, in this sample chapter from Designing Real-World Multi-domain Networks.

The Cisco Meraki platform can now be used to manage all digital cloud operations in one single integration. In this sample chapter from Cisco Meraki Fundamentals: Cloud-Managed Operations, you will learn how the Dashboard can help administrators monitor and proactively address potential issues in their day-to-day workflow.

In this sample chapter from Cisco Certified Support Technician (CCST) Cybersecurity 100-160 Official Cert Guide, you will learn how to provide an access management solution using the AAA framework, which outlines the best practices you need to consider when it comes to authentication, authorization, and accounting. This chapter covers CCST exam objective 1.3.

This Companion Guide is the official supplemental textbook for the Networking Essentials course in the Cisco Networking Academy. This sample chapter covers the communication protocols for networks as well as network communication standards. You will also learn what the difference is between the OSI and TCP/IP models.

Learn to identify an AI attack and the potential impacts of data breaches on AI and ML models. Demonstrate real-world knowledge by designing and implementing proactive security measures to protect AI and ML systems from potential attacks.

This sample chapter explains the complex interplay between AI and four other pivotal domains: quantum computing, blockchain technologies, autonomous vehicles and drones, and edge computing.

In this sample chapter from CCNP and CCIE Data Center Core DCCOR 350-601 Official Cert Guide, 2nd Edition, you will get an overview of the Virtual Extensible LAN (VXLAN), with coverage of Layer 2 VLAN extension to provide multitenant flexibility, high segment scalability, and Layer 2 spanning tree improvement, along with a configuration example mapped to the exam objectives.

This sample chapter from In Zero Trust We Trust focuses on helping you craft standard metrics based on key constructs, such as risk and performance, so that you can showcase the value that Zero Trust brings to the enterprise infrastructure, processes, and people.

In this sample chapter from CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide, 2nd Edition, the authors cover physical and logical infrastructure requirements including powering an access point with Power over Ethernet (PoE) and the communication flow of CAPWAP control and data channels. This chapter covers ENWLSD exam topics 2.1-2.2.

In this sample chapter from CCNP and CCIE Security Core SCOR 350-701 Official Cert Guide, 2nd Edition, you will learn about Software-Defined Networking (SDN) and SDN Security, as well as an overview of network programmability and how networks are being managed using modern application programming interfaces (APIs) and other functions. This chapter covers SCOR 350-701 exam objectives 1.7-1.8.

This sample chapter from Detecting, Troubleshooting, and Preventing Congestion in Storage Networks explains the use of storage I/O performance monitoring for handling network congestion problems and includes practical case studies.

This sample chapter from CCNP Enterprise Design ENSLD 300-420 Official Cert Guide, 2nd Edition covers the selection and use of WAN designs in enterprise networks in addition to QoS strategies and designing end-to-end QoS policies. This chapter covers topics from the ENSLD 300-420 exam.

In this sample chapter from CCNP Enterprise Advanced Routing ENARSI 300-410 Official Cert Guide, 2nd Edition, you will learn the underlying mechanics of the EIGRP routing protocol and the path metric calculations, and how to configure EIGRP on a router for IPv4 and IPv6. This book covers topics from the Cisco Enterprise Advanced Routing v1.1 (ENARSI 300-410) exam.

In this sample chapter from Automating and Orchestrating Networks with NetDevOps, you will explore main use cases for NetDevOps applications compared with traditional methods. You will gain insights into the decision-making processes, tooling choices, and required skills; and navigate common challenges and lessons learned.

This sample chapter from IT Essentials Companion Guide v8 covers fundamental aspects of computer hardware, including components, safety procedures, and motherboard functionalities. You will also learn the features and functions of tools in a technician's toolkit and get a detailed guide on disassembling a computer. By the end of the chapter, you'll have a solid understanding of essential computer components and procedures.