Chapters & Articles

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.

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.

In this sample chapter from CCNP and CCIE Enterprise Core ENCOR 350-401 Official Cert Guide, 2nd Edition, you will learn OSPFv3 routing protocol, configuration, and IPv4 support. OSPF Version 3 (OSPFv3), which is the latest version of the OSPF protocol, includes support for both the IPv4 and IPv6 address families. This book covers topics from the Cisco Enterprise Core v1.1 (ENCOR 350-401) exam.

In this sample chapter from CCNP and CCIE Collaboration Core CLCOR 350-801 Official Cert Guide, 2nd Edition, you will learn PSTN options for Webex Calling, routers supporting local gateway, and deployment scenarios for the local gateway. This chapter covers the following objective from the Cisco Collaboration Core Technologies v1.1 (CLCOR 350-801) exam: 3.4 Describe cloud calling hybrid local gateway.

In this sample chapter from Zero Trust Architecture, uncover the foundations of Zero Trust strategy with insights into its five pillars: policy overlay, identity-centric approach, vulnerability management, access control, and visibility. The authors offer a comprehensive guide for implementing Zero Trust in your organization.

With more people accessing your business through a digital experience, application performance is more critical than ever, and managing resources across your complex IT environment has big implications on user experience and costs. In this sample chapter from Cisco Cloud Infrastructure, you will learn about workload management solutions including Intersight Workload Optimization Manager (IWO) and Cisco Intersight Kubernetes Service.

As a network designer, understanding the purpose and goal of the network is critical to properly designing it. This sample chapter from Cisco Certified Design Expert (CCDE 400-007) Official Cert Guide maps to the CCDE v3.0 Unified Exam Topics Section 4.0, "Service Design," and covers the service design topics—from business applications and service models, to the cloud and data management—you need to meet business objectives.

Jenkins is an open-source tool used for Continuous Integration and Continuous Delivery (CI/CD). In this excerpt from Automating and Orchestrating Networks with NetDevOps, you will learn how a NetDevOps engineer implements automated CI/CD pipelines with Jenkins.