Mike Meyers' CompTIA Network+ certification passport : (exam N10-008) / Jonathan S. Weissman.

Format:

Book

Author/Creator:

Weissman, Jonathan S., author.

Language:

English

Subjects (All):

Microcomputers--Maintenance and repair--Examinations--Study guides.

Microcomputers.

Electronic data processing personnel--Certification--Study guides.

Electronic data processing personnel.

Computer technicians--Certification--Study guides.

Computer technicians.

Computing Technology Industry Association--Examinations--Study guides.

Computing Technology Industry Association.

Physical Description:

1 online resource (498 pages)

Edition:

Seventh edition.

Place of Publication:

New York, New York : McGraw-Hill Education, [2022]

Summary:

Fully updated coverage of every topic on the latest version of the CompTIA Network+ exam This quick review, cram-style test preparation guide offers 100% coverage of all objectives for the current version of the challenging CompTIA Network+ exam. Written in the proven Passport format developed by training guru Mike Meyers, the book enables you to focus on specific topics, determine areas of need, and tailor an effective course for study. Mike Meyers' CompTIA Network+ Certification Passport, Seventh Edition (Exam N10-008) contains contains expert guidance from networking experts who provide insightful tips and sound advice with an intensive focus on only what you need to know to pass the CompTIA Network+ Exam N10-008. The book provides practice questions and content review after each objective to help readers with exam mastery and exam Tips identify critical content to prepare for. Practice questions provide an accurate simulation of what to expect on the real test and provide in-depth answer explanations. Includes a 10% discount voucher coupon for any CompTIA exam, a $33 value Online content includes 200+ practice questions in the Total Tester exam engine, a new collection of Mike's favorite shareware and freeware networking utilities, and training videos.

Contents:

Acknowledgments

Introduction

10 Networking Fundamentals

Objective 11 Compare and contrast the Open Systems Interconnection

(OSI) model layers and encapsulation concepts

OSI Model

Layer 1

Physical

Layer 2

Data Link

Layer 3

Network

Layer 4

Transport

Layer 5

Session

Layer 6

Presentation

Layer 7

Application

Data Encapsulation and Decapsulation Within the OSI Model Context

Ethernet Header, Internet Protocol (IP) Header, Transmission Control

Protocol (TCP)/User Datagram Protocol (UDP) Headers, Payload

TCP Flags

Maximum Transmission Unit (MTU)

REVIEW

1 1 QUESTIONS

1 1 ANSWERS

Objective 12 Explain the characteristics of network topologies

and network types

Bus

Ring

Hybrid

Star/Hub-and-Spoke

Mesh

00-FMindd 11 22/04/22 11:12 AM

xii Mike Meyers' CompTIA Network+ Certification Passport

Passport_2019 / Mike Meyers' CompTIA Network+" Certification Passport / Weissman / 896-3 / FM

Network Types and Characteristics

Client-Server

Peer-to-Peer

Local Area Network (LAN)

Wide Area Network (WAN)

Metropolitan Area Network (MAN)

Wireless Local Area Network (WLAN)

Personal Area Network (PAN)

Campus Area Network (CAN)

Storage Area Network (SAN)

Multiprotocol Label Switching (MPLS)

Software-Defined Wide Area Network (SDWAN)

Multipoint Generic Routing Encapsulation (mGRE)

Service-Related Entry Point

Demarcation Point

Smartjack

Virtual Network Concepts

Hypervisor

Virtual Network Interface Card (vNIC)

vSwitch

Network Function Virtualization

Provider Links

Satellite

Digital Subscriber Line (DSL)

Cable

Leased Line

Metro-Optical

12 QUESTIONS

12 ANSWERS

Objective 13 Summarize the types of cables and connectors

and explain which is the appropriate type for a solution

Copper

Twisted Pair

Coaxial/RG-6

Twinaxial

Termination Standards

Fiber

Single-mode

Multimode

00-FMindd 12 22/04/22 11:12 AM

Contents

Connector Types

Local Connector (LC), Straight Tip (ST), Subscriber Connector (SC),

Mechanical Transfer (MT), Registered Jack (RJ)

RJ11, RJ45, F-type Connector

Transceivers/Media Converters

Transceiver type

Cable Management

Patch Panel/Patch Bay

Fiber Distribution Panel

Punchdown Block

Ethernet Standards

13 QUESTIONS

13 ANSWERS

Objective 14 Given a scenario, configure a subnet and use

appropriate IP addressing schemes

Public vs Private

RFC 1918

Network Address Translation (NAT)

Port Address Translation (PAT)

IPv4 vs IPv6

Automatic Private IP Addressing (APIPA), Link-Local

Extended Unique Identifier (EUI-64)

Broadcast

Multicast

Unicast

Anycast

Loopback

Default Gateway

IPv4 Subnetting

Classful

Classless (Variable-Length Subnet Mask)

Classless Inter-Domain Routing (CIDR) Notation

IPv6 Concepts

Tunneling

Dual Stack

Shorthand Notation

Router Advertisement, Stateless Address Autoconfiguration (SLAAC)

00-FMindd 13 22/04/22 11:12 AM

xiv Mike Meyers' CompTIA Network+ Certification Passport

Virtual IP (VIP)

Subinterfaces

14 QUESTIONS

14 ANSWERS

Objective 15 Explain common ports and protocols, their application,

and encrypted alternatives

Protocols and Ports

Types of Ports

Port States

Commonly Used Ports

IP Protocol Types

TCP and UDP

Internet Control Message Protocol (ICMP)

Generic Routing Encapsulation (GRE)

Internet Protocol Security (IPsec)

Connectionless vs Connection-Oriented

15 QUESTIONS

15 ANSWERS

Objective 16 Explain the use and purpose of network services

DHCP

Scope, Scope Options

Lease Time, Available Leases

Dynamic Assignment

Static Assignment

Exclusion Ranges

Reservation

DHCP Relay, IP Helper/UDP Forwarding

DNS

Zone Transfers

Global Hierarchy

Time to Live (TTL), DNS Caching

Recursive Lookup/Iterative Lookup

Record Types

Reverse DNS/Reverse Lookup/Forward Lookup

Internal vs External DNS

NTP

Stratum, Clients, Servers

16 QUESTIONS

16 ANSWERS

00-FMindd 14 22/04/22 11:12 AM

Objective 17 Explain basic corporate and datacenter network

architecture

Three-Tiered

Access/Edge

Distribution/Aggregation Layer

Core

Software-Defined Networking

Control Layer, Infrastructure Layer

Management Plane, Application Layer

Spine and Leaf

Software-Defined Network

Top-of-Rack Switching

Backbone

Traffic Flows

North-South

East-West

Branch Office vs On-Premises Datacenter vs Colocation

Storage Area Networks

Connection Types

17 QUESTIONS

17 ANSWERS.

Objective 18 Summarize cloud concepts and connectivity options

Deployment Models

Public

Private

Community

Service Models

Software as a Service (SaaS)

Infrastructure as a Service (IaaS)

Platform as a Service (PaaS)

Desktop as a Service (DaaS)

Infrastructure as Code

Automation/Orchestration

Connectivity Options

Virtual Private Network (VPN)

Private-Direct Connection to Cloud Provider

Multitenancy

Scalability

00-FMindd 15 22/04/22 11:12 AM

xvi Mike Meyers' CompTIA Network+ Certification Passport

Elasticity

Security Implications

18 QUESTIONS

18 ANSWERS

20 Network Implementations

Objective 21 Compare and contrast various devices, their features,

and their appropriate placement on the network

Networking Devices

Layer 2 Switch

Layer 3 Capable Switch

Router

Hub

Access Point

Bridge

Wireless LAN Controller

Load Balancer

Proxy Server

Cable Modem

DSL Modem

Repeater

Voice Gateway

Media Converter

Firewall

Intrusion Prevention System(IPS)/Intrusion Detection System (IDS) Device

VPN Headend

Networked Devices

Voice over Internet Protocol (VoIP) Phone

Printer

Physical Access Control Devices

Cameras

Heating, Ventilation, and Air Conditioning (HVAC) Sensors

Internet of Things (IoT)

Industrial Control Systems/Supervisory Control and Data Acquisition (SCADA)

21 QUESTIONS

21 ANSWERS

Objective 22 Compare and contrast routing technologies

and bandwidth management concepts

Routing

Dynamic Routing

Static Routing

00-FMindd 16 22/04/22 11:12 AM

Default Route

Administrative Distance

Exterior vs Interior

Time to Live

Bandwidth Management

Quality of Service (QoS), Traffic Shaping

22 QUESTIONS

22 ANSWERS

Objective 23 Given a scenario, configure and deploy common

Ethernet switching features

Data Virtual Local Area Network (VLAN)

Voice VLAN

Port Configurations

Port Tagging/8021Q

Port Aggregation

Duplex

Speed

Flow Control

Port Mirroring

Port Security

Jumbo Frames

Auto-Medium-Dependent Interface Crossover (MDI-X)

Media Access Control (MAC) Address Tables

Power over Ethernet (PoE)/Power over Ethernet Plus (PoE+)

Spanning Tree Protocol

Carrier-Sense Multiple Access with Collision Detection (CSMA/CD)

Address Resolution Protocol (ARP)

Neighbor Discovery Protocol

23 QUESTIONS

23 ANSWERS

Objective 24 Given a scenario, install and configure the appropriate

wireless standards and technologies

80211 Standards

a

b

g

n (Wi-Fi 4)

ac (Wi-Fi 5)

ax (Wi-Fi 6)

00-FMindd 17 22/04/22 11:12 AM

xviii Mike Meyers' CompTIA Network+ Certification Passport

Frequencies and Range

24 GHz

50 GHz

Channels

Regulatory Impacts

Channel Bonding

Service Set Identifier (SSID)

Basic Service Set

Independent Basic Service Set (Ad-hoc)

Extended Service Set

Roaming

Antenna Types

Omni

Directional

Encryption Standards

Wi-Fi Protected Access (WPA)/WPA2 Personal [Advanced Encryption

Standard (AES)/Temporal Key Integrity Protocol (TKIP)]

WPA/WPA2 Enterprise (AES/TKIP)

Cellular Technologies

Global System for Mobile Communications (GSM)

Code-Division Multiple Access (CDMA)

Long-Term Evolution (LTE)

3G, 4G, 5G

Multiple Input, Multiple Output (MIMO) and Multi-user MIMO (MU-MIMO)

24 QUESTIONS

24 ANSWERS

30 Network Operations

Objective 31 Given a scenario, use the appropriate statistics

and sensors to ensure network availability

Performance Metrics/Sensors

Device/Chassis

Network Metrics

SNMP

Management Information Bases (MIBs)

Object Identifiers (OIDs)

Traps

Network Device Logs

Log Reviews.

Logging Levels/Severity Levels

00-FMindd 18 22/04/22 11:12 AM

Interface Statistics/Status

Link State (Up/Down)

Speed/Duplex

Send/Receive Traffic

Cyclic Redundancy Checks (CRCs)

Protocol Packet and Byte Counts

Interface Errors or Alerts

CRC Errors

Giants

Runts

Encapsulation Errors

Environmental Factors and Sensors: Temperature, Humidity, Electrical, Flooding

Baselines

NetFlow Data

Uptime/Downtime

31 QUESTIONS

31 ANSWERS

Objective 32 Explain the purpose of organizational documents

and policies

Plans and Procedures

Change Management

Incident Response Plan

Disaster Recovery Plan

Business Continuity Plan

System Life Cycle

Standard Operating Procedures

Hardening and Security Policies

Password Policy

Acceptable Use Policy

Bring Your Own Device (BYOD) Policy

Remote Access Policy

Onboarding and Offboarding Policy

Security Policy

Data Loss Prevention

Common Documentation

Physical Network Diagram

Logical Network Diagram

Wiring Diagram

Site Survey Report

00-FMindd 19 22/04/22 11:12 AM

xx Mike Meyers' CompTIA Network+ Certification Passport

Audit and Assessment Report

Baseline Configurations

Common Agreements

Non-Disclosure Agreement (NDA)

Service-Level Agreement (SLA)

Memorandum of Understanding (MOU)

32 QUESTIONS

32 ANSWERS

Objective 33 Explain high availability and disaster recovery

concepts and summarize which is the best solution

Load Balancing

Multipathing

Network Interface Card (NIC) Teaming

Redundant Hardware/Clusters

Switches

Routers

Firewalls

Facilities and Infrastructure Support

Uninterruptible Power Supply (UPS)

Power Distribution Units (PDUs)

Generator

HVAC

Fire Suppression

Redundancy and High Availability (HA) Concepts

Cold Site

Warm Site

Hot Site

Cloud Site

Active-Active vs Active-Passive

Mean Time to Repair (MTTR)

Mean Time Between Failure (MTBF)

Recovery Time Objective (RTO)

Recovery Point Objective (RPO)

Network Device Backup/Restore

Configuration

State

33 QUESTIONS

33 ANSWERS

00-FMindd 20 22/04/22 11:12 AM

40 Network Security

Objective 41 Explain common security concepts

Confidentiality, Integrity, Availability (CIA)

Threats

Internal

External

Vulnerabilities

Common Vulnerabilities and Exposures (CVE)

Zero-Day

Exploits

Least Privilege

Role-Based Access

Zero Trust

Defense in Depth

Network Segmentation Enforcement

Screened Subnet [Previously Known as Demilitarized Zone (DMZ)]

Separation of Duties

Network Access Control

Honeypot

Authentication Methods

Multifactor

Terminal Access Controller Access-Control System Plus (TACACS+)

Remote Authentication Dial-in User Service (RADIUS)

Single Sign-On (SSO)

LDAP

Kerberos

Local Authentication

Extensible Authentication Protocol (EAP)

8021X

Risk Management

Security Risk Assessments

Business Risk Assessments

Security Information and Event Management (SIEM)

41 QUESTIONS

41 ANSWERS

Objective 42 Compare and contrast common types of attacks

Technology-Based

Denial-of-Service (DoS)/Distributed Denial-of-Service (DDoS)

On-Path Attack (Previously Known as Man-in-the-Middle Attack)

00-FMindd 21 22/04/22 11:12 AM

xxii Mike Meyers' CompTIA Network+ Certification Passport

ARP Spoofing

DNS Poisoning

VLAN Hopping

Rogue DHCP

Rogue Access Point (AP)

Evil Twin

Ransomware

Password Attacks

MAC Spoofing

IP Spoofing

Deauthentication

Malware

Human and Environmental

Social Engineering

42 QUESTIONS

42 ANSWERS

Objective 43 Given a scenario, apply network

hardening techniques

Best Practices

Secure SNMP

Router Advertisement (RA) Guard

Dynamic ARP Inspection

Control Plane Policing

Private VLANs

Disable Unneeded Switchports

Disable Unneeded Network Services

Change Default Passwords

Password Complexity/Length

Enable DHCP Snooping

Change Default VLAN

Patch and Firmware Management

Access Control List

Firewall Rules

Wireless Security

MAC Filtering

Antenna Placement

Power Levels

Wireless Client Isolation

Guest Network Isolation

00-FMindd 22 22/04/22 11:12 AM

Preshared Keys (PSKs)

EAP

Geofencing

Captive Portal

IoT Access Considerations

43 QUESTIONS

43 ANSWERS

Objective 44 Compare and contrast remote access methods

and security implications

Site-to-Site VPN

Client-to-Site VPN

Clientless VPN

Split Tunnel vs Full Tunnel

Remote Desktop Connection

Remote Desktop Gateway

SSH

Virtual Network Computing (VNC)

Virtual Desktop

Authentication and Authorization Considerations

In-Band vs Out-of-Band Management

44 QUESTIONS

44 ANSWERS

Objective 45 Explain the importance of physical security

Detection Methods

Camera

Motion Detection

Asset Tags

Tamper Detection

Prevention Methods

Employee Training

Access Control Hardware

Locking Racks, Locking Cabinets

Access Control Vestibule (Previously Known as a Mantrap)

Smart Lockers

Asset Disposal

Factory Reset/Wipe Configuration

Sanitize Devices for Disposal

45 QUESTIONS

45 ANSWERS

00-FMindd 23 22/04/22 11:12 AM

xxiv Mike Meyers' CompTIA Network+ Certification Passport

50 Network Troubleshooting

Objective 51 Explain the network troubleshooting methodology

Identify the Problem

Gather Information

Question Users

Identify Symptoms

Determine if Anything Has Changed

Duplicate the Problem, if Possible

Approach Multiple Problems Individually

Establish a Theory of Probable Cause

Question the Obvious

Consider Multiple Approaches

Test the Theory to Determine the Cause

If the Theory Is Confirmed, Determine the Next Steps

to Resolve the Problem

If the Theory Is Not Confirmed, Reestablish a New Theory or Escalate

Establish a Plan of Action to Resolve the Problem and Identify

Potential Effects

Implement the Solution or Escalate As Necessary

Verify Full System Functionality and, if Applicable, Implement

Preventive Measures

Document Findings, Actions, Outcomes, and Lessons Learned

51 QUESTIONS

51 ANSWERS

Objective 52 Given a scenario, troubleshoot common cable

connectivity issues and select the appropriate tools

Specifications and Limitations

Throughput

Distance

Cable Considerations

Shielded and Unshielded

Plenum and Riser-Rated

Cable Application

Rollover Cable/Console Cable

Crossover Cable

Power over Ethernet

Common Issues

Attenuation

Interference

00-FMindd 24 22/04/22 11:12 AM

Decibel (dB) Loss

Incorrect Pinout

Bad Ports

Open/Short

Light-Emitting Diode (LED) Status Indicators

Incorrect Transceivers

Duplexing Issues

Transmit and Receive (TX/RX) Reversed

Dirty Optical Cables

Common Tools

Cable Crimper

Punchdown Tool

Tone Generator

Loopback Adapter

Optical Time-Domain Reflectometer (OTDR)

Multimeter

Cable Tester

Wire Map

Tap

Fusion Splicers

Spectrum Analyzers

Snips/Cutters

Cable Stripper

Fiber Light Meter

52 QUESTIONS

52 ANSWERS

Objective 53 Given a scenario, use the appropriate network

software tools and commands.

Software Tools

WiFi Analyzer

Protocol Analyzer/Packet Capture

Bandwidth Speed Tester

Port Scanner

iperf

NetFlow Analyzers

Trivial File Transfer Protocol (TFTP) Server

Terminal Emulator

IP Scanner

Command Line Tool

ping

ipconfig/ifconfig/ip

00-FMindd 25 22/04/22 11:12 AM

xxvi Mike Meyers' CompTIA Network+ Certification Passport

nslookup/dig

traceroute/tracert

arp

netstat

hostname

route

telnet

tcpdump

nmap

Basic Network Platform Commands

show interface

show config

show route

53 QUESTIONS

53 ANSWERS

Objective 54 Given a scenario, troubleshoot common wireless

connectivity issues

Received Signal Strength Indication (RSSI) Signal Strength

Effective Isotropic Radiated Power (EIRP)/Power Settings

Considerations

Antennas

Channel Utilization

AP Association Time

Site Survey

Antenna Cable Attenuation/Signal Loss

RF Attenuation/Signal Loss

Wrong SSID

Incorrect Passphrase

Encryption Protocol Mismatch

Insufficient Wireless Coverage

Captive Portal Issues

Client Disassociation Issues

54 QUESTIONS

54 ANSWERS

00-FMindd 26 22/04/22 11:12 AM

Objective 55 Given a scenario, troubleshoot general

networking issues

Device Configuration Review

Routing Tables

Interface Status

VLAN Assignment

Network Performance Baselines

Collisions

Broadcast Storm

Duplicate MAC Address

Duplicate IP Address

Multicast Flooding

Asymmetrical Routing

Switching Loops

Routing Loops

Rogue DHCP Server

DHCP Scope Exhaustion

IP Setting Issues

Missing Route

Low Optical Link Budget

Certificate Issues

Hardware Failure

Host-Based/Network-Based Firewall Settings

Blocked Services, Ports, or Addresses

Incorrect VLAN

DNS Issues

NTP Issues

BYOD Challenges

Licensed Feature Issues

Network Performance Issues

55 QUESTIONS

55 ANSWERS

A About the Online Content

System Requirements

Your Total Seminars Training Hub Account

Privacy Notice

Single User License Terms and Conditions

00-FMindd 27 22/04/22 11:12 AM

xxviii Mike Meyers' CompTIA Network+ Certification Passport

TotalTester Online

Pre-Assessment Test

Other Book Resources

TotalSims for Network+

Mike's Video Training

Mike's Cool Tools

Technical Support

Index.

Notes:

Description based on print version record.

Includes index.

ISBN:

9781264268979

1264268971

OCLC:

1319222204