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

Questions

The following is a short list of review questions to help reinforce your learning and help you identify areas that may require some improvement:

  1. A technician has received a ticket that describes some CRC errors that have been detected on the network that are causing poor network performance for the users. Which of the following layers should the technician begin the troubleshooting process with?

A. Transport

B. Internet

C. Physical

D. Data Link

  1. Which of the following layers of TCP/IP is responsible for assigning the logical addressing to the PDU?

A. Network

B. Transport

C. Internet

D. Network Access

  1. Which of the following is a connectionless protocol?

A. HTTP

B. TCP

C. LLC

D. IP

  1. Which of the following layers is not part of the OSI model?

A. Application

B. Internet

C. Network

D. Transport

  1. Service port 25 is associated with which of the following protocols?

A. SMTP

B. DNS

C. HTTP

D. SSH

  1. Which of the following layers of the OSI model is responsible for data encryption?

A. Network Access

B. Application

C. Session

D. Presentation

  1. How many bits are there within a MAC address?

A. 49

B. 32

C. 48

D. 128

  1. How many bits are there in an IPv4 address?

A. 32

B. 49

C. 128

D. 16

  1. Which of the following layers is responsible for placing the data in the actual network media?

A. Internet

B. MAC

C. LLC

D. Network

  1. Which of the following is not a valid MAC address?

A. 0c:2d:c4:41:8b:66

B. 3d:f2:51:bf:40:b9

C. 4f:95:I5:b2:68:ca

D. c5:fe:00:4f:73:e6