CompTIA Network+ N10-008 Certification Guide: The ultimate guide to passing the N10-008 exam, 2nd Edition

Length: 692 pages
Edition: 2
Language: English
Publisher: Packt Publishing
Publication Date: 2022-11-18
ISBN-10: 180323606X
ISBN-13: 9781803236063
Sales Rank: #530759 (See Top 100 Books)

Become a network specialist by developing your skills in network implementation, operations and security while covering all the exam topics for CompTIA Network+ N10-008 certification in an easy-to-follow guide.

Purchase of the print or Kindle book includes a free eBook in the PDF format.

Key Features

A step-by-step guide to gaining a clear understanding of the Network+ certification
Learn about network architecture, protocols, security, and network troubleshooting
Confidently ace the N10-008 exam with the help of 200+ practice test questions and answers

Book Description

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.

What you will learn

Explore common networking concepts, services, and architecture
Identify common cloud architecture and virtualization concepts
Discover routing and switching technologies
Implement wireless technologies and solutions
Understand network security concepts to mitigate cyber attacks
Explore best practices to harden networks from threats
Use best practices to discover and resolve common networking issues

Who this book is for

This book is for students, network administrators, network engineers, NOC engineers, systems administrators, cybersecurity professionals, and enthusiasts. No prior knowledge in networking is required to get started with this book.

CompTIA Network+ N10-008 Certification Guide
Contributors
About the author
About the reviewer
Preface
    Who this book is for
    What this book covers
    To get the most out of this book
    Download the color images
    Conventions used
    Get in touch
    Share your thoughts
    Download a free PDF copy of this book
Part 1: Networking Concepts
Chapter 1: Exploring the OSI Model and TCP/IP
    Technical requirements
    The need for networking models
    Exploring the OSI model
        Application layer
        Presentation layer
        Session layer
        Transport layer
        Network layer
        Data Link layer
        Physical layer
    Understanding TCP/IP
    Data encapsulation concepts
        Ethernet header
        IP headers
        TCP header
        UDP headers
    Analyzing network packets
    Summary
    Questions
    Further reading
Chapter 2: Network Topologies and Connections
    Understanding network topologies
        Types of network topologies
    Discovering network types
        Peer-to-peer
        Client-server
        Personal area network
        Local area network
        Wide area network
        Metropolitan area network
        Wireless local area network
        Campus area network
        Storage area network
        Software-defined wide area network
        Multiprotocol label switching
        Multipoint generic routing encapsulation
    Identifying service-related entry points
    Comparing provider links
        Satellite
        Digital Subscriber Line
        Cable
        Leased line
        Metro optical
    Summary
    Questions
    Further reading
Chapter 3: Ethernet Technology and Virtualization
    Technical requirements
    Types of connections
        Copper cables
        Fiber optic cables
        Cable management
    Ethernet standards
    Virtual network concepts
        Hypervisors
        Virtual networking components
        Lab – creating a virtual machine
    Summary
    Questions
    Further reading
Chapter 4: Understanding IPv4 and IPv6 Addressing
    Technical requirements
    The need for IP addressing
        Public versus private address spaces
        Network Address Translation (NAT)
    Exploring the structure of IPv4 and IPv6
        Fundamentals of IPv4
        Fundamentals of IPv6
    Types of IPv4 and IPv6 addresses
        Automatic Private IP Addressing (APIPA)
        Extended unique identifier (EUI-64)
        Unicast
        Multicast
        Broadcast
        Anycast
        Link-local
        Loopback
        Unique local address
        Default gateway
    Delving into IPv6 concepts
        Tunneling
        Dual stack
        Translation
        Router advertisement
        Stateless Address Autoconfiguration (SLAAC)
    Configuring IP addresses
        Windows operating system
        Linux operating system
        Cisco IOS router
    Summary
    Questions
    Further reading
Chapter 5: Applied IPv4 Subnetting
    Understanding the purpose of the subnet mask
    Delving into network prefixes and subnet masks
    Determining the network ID
    Understanding the importance of subnetting
    IPv4 subnetting and VLSM
        Step 1 – determining the appropriate IPv4 block
        Step 2 – creating new subnets (subnetworks)
        Step 3 – assigning subnets to each network
        Step 4 – performing Variable-Length Subnet Masking (VLSM)
    Summary
    Questions
    Further reading
Chapter 6: Exploring Network Protocols and Services
    Technical requirements
    Network protocols
        File protocols
        Remote access protocols
        Email protocols
        HTTP and HTTPS
        SQL database protocols
        Lightweight Directory Access Protocol
        Syslog
        Session Initiation Protocol
    Network protocol types
        Internet Control Message Protocol
        TCP
        UDP
    Network services
        Network Time Protocol
        Dynamic Host Configuration Protocol
        DNS
        Simple Network Management Protocol
    Lab – analyzing FTP packets
    Lab – analyzing TFTP packets
    Lab – analyzing SMB packets
    Lab – analyzing Telnet packets
    Lab – reassembling a SIP telephone conversation
    Summary
    Questions
    Further reading
Chapter 7: Data Center Architecture and Cloud Computing
    Understanding network architecture
        Cisco 3-tier architecture
        Cisco 2-tier architecture
    Discovering software-defined networking
        Components of SDN
    Exploring data center architectures
        Branch office versus on-premises
        Spine and leaf
    Delving into storage area networks
        Connection types
    Fundamentals of cloud computing
        Deployment models
        Cloud service models
        Cloud connectivity solutions
    Summary
    Questions
    Further reading
Part 2: Network Implementation
Chapter 8: Networking Devices
    Understanding networking devices
        Hub
        Layer 2 switch
        Layer 3 capable switch
        Bridge
        Router
        Access point
        Wireless LAN controller
        Load balancer
        Proxy server
        Internet modems
        Repeater
        Voice gateways and media converters
    Exploring security appliances
        Firewall
        IPS/IDS
    Types of networked devices
    Summary
    Questions
    Further reading
Chapter 9: Routing and Switching Concepts
    Exploring routing concepts
    Understanding routing protocols
        Dynamic routing
        Static routing
    Bandwidth management
    Delving into switching concepts
        PoE
        Spanning-Tree
        Port aggregation
        Neighbor discovery protocol
    Exploring VLAN
        Types of VLANs
    Understanding switch port configurations
        Duplex and speed
        Port mirroring
        Port security
        Auto MDI-X
    Summary
    Questions
    Further reading
Chapter 10: Exploring Wireless Standards and Technologies
    Exploring wireless networking
        Beacons, probes, stations, and SSIDs
        Frequencies, ranges, and channels
        SSID
        Antenna types
        MIMO concepts
    Delving into wireless security
        Wireless encryption standards
        Authentication methods
    Exploring cellular technologies
    Summary
    Questions
    Further reading
Part 3: Network Operations
Chapter 11: Assuring Network Availability
    Network performance metrics
        SNMP
        Network device logs
    Understanding interface issues
        Checking the link state (up/down)
        Checking the speed
        Checking the duplex
        Checking the uptime/downtime
        Interface errors or alerts
    Environmental factors and sensors
    Summary
    Questions
    Further reading
Chapter 12: Organizational Documents and Policies
    Plans and procedures
        Change management
        Incident response plans
        The business continuity plan
        Disaster recovery plans
        The system life cycle
        Standard operating procedures
    Hardening and security policies
        Password policies
        Acceptable use policy
        Bring your own device policies
        Remote access policies
        Onboarding and off-boarding policies
        Security policies
        Data loss prevention
    Common documentation
    Common agreements
    Summary
    Questions
    Further reading
Chapter 13: High Availability and Disaster Recovery
    High availability concepts
        Diverse paths
        Infrastructure redundancy
        Active-active versus active-passive configurations
        First hop redundancy
    Disaster recovery concepts
        Recovery sites
        Facilities and infrastructure support
        Network device backup/restore
    Summary
    Questions
    Further reading
Part 4: Network Security and Troubleshooting
Chapter 14: Network Security Concepts
    Understanding network security
        Confidentiality, integrity, and availability
        Threats, vulnerabilities, and exploits
        Least privilege and RBAC
        Defense in Depth and zero trust
    Exploring authentication methods
        Multi-factor authentication
        Kerberos, single sign-on, and LDAP
    Risk management
        Security risk assessments
    Summary
    Questions
    Further reading
Chapter 15: Exploring Cyberattacks and Threats
    Exploring network-based attacks
        Denial of service
        Botnets
        On-path attack
        DNS-based attack
        VLAN hopping
        Rogue DHCP
        Password attacks
    Understanding wireless attacks
        Rogue access points and evil twins
        Deauthentication attacks
    Delving into human and environmental attacks
        Social engineering
        Types of social engineering attacks
    Summary
    Questions
    Further reading
Chapter 16: Implementing Network Security
    Network hardening techniques
    Wireless security techniques
        SSID considerations
        Password considerations
        MAC filtering
        Antennas and power levels
        Geofencing and captive portals
        Client isolation
        Wireless authentication protocols
        Installation considerations
    Remote connectivity methods
        Remote access methods
    Importance of physical security
    Summary
    Questions
    Further reading
Chapter 17: Network Troubleshooting
    Network troubleshooting methodology
    Cable connectivity issues
        Link lights/status indicators
        Damaged cables and connectors
        Incorrect TX/RX alignment
        Attenuation
        Crosstalk and Electro-Magnetic Interference (EMI)
        Bad ports/transceivers
        VLAN mismatch
        Sub-optimal performance
    Wireless connectivity issues
        Physical layer issues
        Antenna issues
        Signal power issues
        Interference
        Client configuration issues
    Common network issues
    Hardware-based troubleshooting tools
    Software-based tools and commands
        Packet sniffer
        Port scanner
        Wi-Fi analyzer
        Bandwidth speed tester
        Command-line tools
    Summary
    Questions
    Further reading
Chapter 18: Practice Exam
    Questions
    Answers
Assessments
    Chapter 1 – Exploring the OSI Model and TCP/IP
    Chapter 2 – Network Topologies and Connections
    Chapter 3 – Ethernet Technology and Virtualization
    Chapter 4 – Understanding IPv4 and IPv6 Addressing
    Chapter 5 – Applied IPv4 Subnetting
    Chapter 6 – Exploring Network Protocols and Services
    Chapter 7 – Data Center Architecture and Cloud Computing
    Chapter 8 – Network Devices
    Chapter 9 – Routing and Switching Concepts
    Chapter 10 – Exploring Wireless Standards and Technologies
    Chapter 11 – Assuring Network Availability
    Chapter 12 – Organizational Documents and Policies
    Chapter 13 – High Availability and Disaster Recovery
    Chapter 14 – Network Security Concepts
    Chapter 15 – Exploring Cyber Attacks and Threats
    Chapter 16 – Implementing Network Security
    Chapter 17 – Network Troubleshooting
Index
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CompTIA Network+ N10-008 Certification Guide: The ultimate guide to passing the N10-008 exam, 2nd Edition

Key Features

Book Description

What you will learn

Who this book is for

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