CCENT: Cisco Certified Entry Networking Technician: ICND1 (Exam 640-822)CCENT：思科入门级认证网络技术员（考试640-822） 2025 chm pdf kindle rb azw3 下载 115盘

Expert exam prep from leading Cisco authority Todd Lammle

Start your preparation here for Cisco's new CCENT entry-level networking certification, your entry point into Cisco's popular CCNA certification track. This comprehensive study guide from leading Cisco authority Todd Lammle thoroughly prepares you for the Interconnecting Cisco Networking Devices, Part 1 exam (640-822) and the start of a career, with pages of exam essentials, real-world scenarios, and hands-on exercises. Topics include the operation of data networks, how to implement both switched and routed networks, and much more.

Full coverage of all exam objectives in a systematic approach, so you can be confident you're getting the instruction you need for the exam

Practical hands-on exercises to reinforce critical skills

Real-world scenarios that put what you've learned in the context of actual job roles

Challenging review questions in each chapter to prepare you for exam day

Exam Essentials, a key feature in each chapter that identifies critical areas you must become proficient in before taking the exam

A handy tear card that maps every official exam objective to the corresponding chapter in the book, so you can track your exam prep objective by objective

Look inside for complete coverage of all exam objectives.

Introduction

Assessment Test

Chapter 1: Internetworking

Internetworking Basics

Internetworking Models

The OSI Reference Model

Ethernet Networking

Ethernet Cabling

Data Encapsulation

Summary

Exam Essentials

Written Lab

Review Questions

Answers to Review Questions

Answers to Written Lab

Chapter 2: Internet Protocols

TCP/IP and the DoD Model

IP Addressing

Broadcast Addresses

Summary Exam Essentials

Written Lab 2

Review Questions

Answers to Review Questions

Answers to Written Lab2

Chapter 3: IP Subnetting, Variable Length Subnet Masks (VLSMs), Troubleshooting IP, and Introduction to NAT

Subnetting Basics

Variable length Subnet Masks (VLSMs)

Troubleshooting IP Addressing

Introduction to Network Address Translation (NAy)

Types of Network Address Translation

NAT Names

How NAT Works

Summary

Exam Essentials

Written Lab3

Review Questions

Answers to Review Questions

Answers to Written Lab 3.1

Answers to Written Lab 3.2

Answers to Written Lab 3.3

Chapter 4: Introduction to the Cisco IOS and SDM

Chapter 5: Managing a Cisco Internetwork

Chapter 6: IP Routing

Chapter 7: Layer 2 Switching

Chapter 8: Wireless Technologies

Chapter 9: Security

Chapter 10: Introduction to Wide Area Networks

Appendix A: About the Companion CD

Glossary

Index

Todd Lammle, CCSI, CCNA/CCNP/CCSP, MCSE, CEH/CHFI, FCC RF Licensed, is the authority on Cisco certification. He is a world-renowned author, speaker, trainer, and consultant. Todd has over 25 years of experience working with LANs, WANs, and large licensed

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Expert exam prep from leading Cisco authority Todd Lammle Start your preparation here for Cisco's new CCENT entry-level networking certification, your entry point into Cisco's popular CCNA certification track. This comprehensive study guide from leading Cisco authority Todd Lammle thoroughly prepares you for the Interconnecting Cisco Networking Devices, Part 1 exam (640-822) and the start of a career, with pages of exam essentials, real-world scenarios, and hands-on exercises. Topics include the operation of data networks, how to implement both switched and routed networks, and much more. Full coverage of all exam objectives in a systematic approach, so you can be confident you're getting the instruction you need for the exam Practical hands-on exercises to reinforce critical skills Real-world scenarios that put what you've learned in the context of actual job roles Challenging review questions in each chapter to prepare you for exam day Exam Essentials, a key feature in each chapter that identifies critical areas you must become proficient in before taking the exam A handy tear card that maps every official exam objective to the corresponding chapter in the book, so you can track your exam prep objective by objective Look inside for complete coverage of all exam objectives.