Book Image

CompTIA Network+ N10-008 Certification Guide - Second Edition

By : Glen D. Singh
Book Image

CompTIA Network+ N10-008 Certification Guide - Second Edition

By: Glen D. Singh

Overview of this book

This book helps you to easily understand core networking concepts without the need of prior industry experience or knowledge within this fi eld of study. This updated second edition of the CompTIA Network+ N10-008 Certification Guide begins by introducing you to the core fundamentals of networking technologies and concepts, before progressing to intermediate and advanced topics using a student-centric approach. You’ll explore best practices for designing and implementing a resilient and scalable network infrastructure to support modern applications and services. Additionally, you’ll learn network security concepts and technologies to effectively secure organizations from cyber attacks and threats. The book also shows you how to efficiently discover and resolve networking issues using common troubleshooting techniques. By the end of this book, you’ll have gained sufficient knowledge to efficiently design, implement, and maintain a network infrastructure as a successful network professional within the industry. You’ll also have gained knowledge of all the official CompTIA Network+ N10-008 exam objectives, networking technologies, and how to apply your skills in the real world.
Table of Contents (26 chapters)
1
Part 1: Networking Concepts
9
Part 2: Network Implementation
13
Part 3: Network Operations
17
Part 4: Network Security and Troubleshooting
22
Chapter 18: Practice Exam

Identifying service-related entry points

A service-related entry point is simply the point where both a service provider and their customer’s network interconnect. Imagine contacting an ISP for residential internet service for your home. Usually, the customer, such as yourself, will already have a LAN with various types of networked devices such as computers, printers, and so on.

The demarcation point or demarc is the location where the service provider and the customer’s networks meet. If the ISP provides the customer with a modem, then the modem is the demarcation point on the network. The demarcation point also identifies the boundary that the ISP can provide support, such as troubleshooting issues, to ensure the internet service is working as expected.

The ISP will dispatch a crew to visit your location to implement their network infrastructure between the service provider network and your building or home. For customers opting for a fiber connection, the ISP...