CompTIA Network+ N10-009The Complete Beginner's Guide

Network Device Hardening

Objective 4.2 · Network Security

Network Access Control (NAC)

Objective 4.2

Common Network Attacks

Objective 4.1 · Network Security

Firewalls and ACLs

Objective 4.3 · Network Security

VPNs and Remote Access

Objective 4.4 · Network Security

Wireless Security Protocols

Objective 4.5 · Network Security

Threat Actors and Motivations

Objective 4.1

Reconnaissance Attack Types

Objective 4.1

DoS and DDoS Attack Types

Objective 4.1

ARP Spoofing and Poisoning

Objective 4.1

DNS Hijacking, Cache Poisoning, and DNSSEC

Objective 4.1

VLAN Hopping Attacks

Objective 4.1

Rogue DHCP Server Attacks

Objective 4.1

Evil Twin Wireless Attacks

Objective 4.1

Social Engineering Techniques

Objective 4.1

Malware Types: Ransomware, Worm, Trojan, Rootkit

Objective 4.1

Defense-in-Depth Strategy

Objective 4.2

Network Segmentation and DMZ Architecture

Objective 4.2

IDS vs IPS Deployment Modes

Objective 4.3

Next-Generation Firewall Features

Objective 4.3

Honeypots and Honeynets

Objective 4.2

802.1X Port Authentication

Objective 4.2

EAP Methods for 802.1X

Objective 4.2

Certificate-Based Authentication

Objective 4.2

VPN Types: Site-to-Site, Remote Access, SSL/TLS

Objective 4.4

IPsec Transport vs Tunnel Mode

Objective 4.4

VPN Split Tunneling

Objective 4.4

Zero Trust Network Architecture

Objective 4.2

Data Loss Prevention (DLP) for Networks

Objective 4.2

Security Zone Design and Segmentation

Objective 4.2

WPA3 Protocol: SAE, Forward Secrecy

Objective 4.5

RADIUS vs LDAP for Network Authentication

Objective 4.5

Interior vs Exterior Routing Protocols

Objective 1.5 · Networking Concepts

Network Virtualization and VXLAN

Objective 1.7 · Networking Concepts

OSI Model for Network+

Objective 1.1 · Networking Concepts

TCP/IP Model and Protocol Suite

Objective 1.2 · Networking Concepts

Common Ports and Protocols

Objective 1.3 · Networking Concepts

IPv4 and IPv6 Addressing

Objective 1.4 · Networking Concepts

Routing Protocols and Concepts

Objective 1.5

Network Topologies and Types

Objective 1.6 · Networking Concepts

Cloud Networking Concepts

Objective 1.7

UDP vs TCP Transport Comparison

Objective 1.1

Encapsulation and PDU at Each OSI Layer

Objective 1.1

DNS Resolution Process

Objective 1.3

DHCP DORA Process

Objective 1.3

NAT and PAT Concepts

Objective 1.4

IPv6 Addressing and Address Types

Objective 1.4

IPv6 SLAAC and DHCPv6

Objective 1.4

IPv6 Transition: Dual Stack, Tunneling, NAT64

Objective 1.4

RFC 1918 Private IP Ranges and APIPA

Objective 1.4

VLSM and CIDR Notation

Objective 1.4

OSPF Concepts for Network+

Objective 1.5

BGP Concepts

Objective 1.5

Static vs Dynamic Routing

Objective 1.5

VLAN Concepts and IEEE 802.1Q

Objective 1.6

Spanning Tree Protocol Concepts

Objective 1.6

SD-WAN Concepts

Objective 1.6

Network Functions Virtualization (NFV)

Objective 1.6

MPLS Concepts and Labels

Objective 1.6

QoS Concepts and Traffic Shaping

Objective 1.6

Network Media Types: Copper, Fiber, Wireless

Objective 1.6

WDM and Dense WDM (DWDM)

Objective 1.6

FHRP: HSRP, VRRP, and GLBP Concepts

Objective 1.5

Virtual IP and First-Hop Redundancy Protocols

Objective 1.5

Infrastructure as Code for Networks

Objective 1.7

Cloud Service Models for Network+: IaaS, PaaS, SaaS

Objective 1.7

Cloud Connectivity: VPN vs Direct Connect

Objective 1.7

Subnetting for Network+

Objective 1.4

Ethernet Switching and VLANs

Objective 2.1 · Network Implementation

Wireless Standards and Configuration

Objective 2.2 · Network Implementation

Physical Network Infrastructure

Objective 2.3 · Network Implementation

WAN Technologies and Connections

Objective 2.4 · Network Implementation

DNS and DHCP Implementation

Objective 2.5 · Network Implementation

NAT and PAT Implementation

Objective 2.6 · Network Implementation

Switch Port Modes: Access vs Trunk

Objective 2.1

Inter-VLAN Routing Methods

Objective 2.1

802.1Q Trunking Configuration

Objective 2.1

Native VLAN Configuration and Security

Objective 2.1

Link Aggregation: LACP and PAgP

Objective 2.1

RSTP Implementation and Convergence

Objective 2.1

PortFast and BPDU Guard

Objective 2.1

802.11 Standards Detail: a/b/g/n/ac/ax

Objective 2.2

Wireless Channels and Band Steering

Objective 2.2

Wireless Roaming: BSS, ESS, and Fast Roaming

Objective 2.2

Wireless LAN Controller Deployment

Objective 2.2

Mesh Networking

Objective 2.2

Cellular Technologies: LTE and 5G

Objective 2.4

Satellite Internet and LEO Constellations

Objective 2.4

Cable Modem and DSL Technologies

Objective 2.4

FTTH and FTTP Technologies

Objective 2.4

MPLS Network Implementation

Objective 2.4

Metro Ethernet Services

Objective 2.4

Structured Cabling Standards (ANSI/TIA-568)

Objective 2.3

Patch Panels and T568A/T568B Wiring

Objective 2.3

Server Rack Design and Cable Management

Objective 2.3

DNS Record Types: A, AAAA, MX, CNAME, PTR, TXT, SRV

Objective 2.5

DNS Zones and Zone Transfers

Objective 2.5

DHCP Scopes, Options, and Reservations

Objective 2.5

DHCP Relay Agent Configuration

Objective 2.5

Forward and Reverse Proxy Servers

Objective 2.6

Load Balancing Methods and Algorithms

Objective 2.6

High Availability and Clustering

Objective 2.6

IP Address Management (IPAM) Tools

Objective 2.5

Network Documentation and Diagrams

Objective 3.1 · Network Operations

Change and Configuration Management

Objective 3.2 · Network Operations

Network Monitoring Tools and SNMP

Objective 3.3 · Network Operations

Business Continuity and Disaster Recovery

Objective 3.4 · Network Operations

Network Diagram Types: Physical, Logical, Wiring

Objective 3.1

Network Asset Management

Objective 3.1

IP Address Documentation and IPAM

Objective 3.1

Configuration Backup and Restoration

Objective 3.2

Performance Baseline Establishment

Objective 3.3

SNMP MIBs, OIDs, and Traps

Objective 3.3

NetFlow and sFlow Traffic Analysis

Objective 3.3

Syslog Severity Levels and Management

Objective 3.3

NTP Time Synchronization

Objective 3.3

Bandwidth Monitoring Tools

Objective 3.3

Network Capacity Planning

Objective 3.3

Change Advisory Board (CAB) Process

Objective 3.2

Network Device Patch Management

Objective 3.2

Configuration Management Database (CMDB)

Objective 3.2

Incident Management for Networks

Objective 3.2

RPO and RTO for Network Services

Objective 3.4

Backup Types: Full, Incremental, Differential

Objective 3.4

Network Redundancy Strategies

Objective 3.4

Failover and Recovery Testing

Objective 3.4

Geographic Site Diversity

Objective 3.4

Cloud Network Operations

Objective 3.3

Remote Access Management

Objective 3.3

Troubleshooting Methodology

Objective 5.1 · Network Troubleshooting

Troubleshoot: Cable and Physical Layer

Objective 5.2 · Network Troubleshooting

Troubleshoot: Network Connectivity

Objective 5.3 · Network Troubleshooting

Troubleshoot: Wireless Issues

Objective 5.4 · Network Troubleshooting

Troubleshoot: Security and Policy

Objective 5.5 · Network Troubleshooting

CLI Tools: ping, tracert, nslookup, netstat

Objective 5.6 · Network Troubleshooting

Troubleshoot Physical Layer Issues

Objective 5.2

Cable Testing Tools: TDR and OTDR

Objective 5.2

Interface Error Types: CRC, Runts, Giants

Objective 5.2

Duplex Mismatch Troubleshooting

Objective 5.2

VLAN Mismatch and Native VLAN Issues

Objective 5.2

STP Troubleshooting: Loops and Convergence

Objective 5.2

Routing Table Troubleshooting

Objective 5.3

Default Gateway Configuration Issues

Objective 5.3

IP Address Conflict Resolution

Objective 5.3

DNS Troubleshooting: nslookup and dig

Objective 5.3

DHCP Troubleshooting

Objective 5.3

ARP Table Troubleshooting

Objective 5.3

NAT/PAT Troubleshooting

Objective 5.3

Firewall Rule Troubleshooting

Objective 5.5

VPN Connectivity Troubleshooting

Objective 5.5

Wireless Signal Strength and Coverage Issues

Objective 5.4

Wireless Channel Interference

Objective 5.4

Certificate Error Troubleshooting

Objective 5.5

Bandwidth Saturation Troubleshooting

Objective 5.3

Latency and Jitter Troubleshooting

Objective 5.3

IPv6 Connectivity Troubleshooting

Objective 5.3

Packet Capture with Wireshark

Objective 5.6

Switch Show Commands

Objective 5.6

Router Show Commands

Objective 5.6

ip route and ip addr Commands

Objective 5.6

tcpdump Packet Analysis

Objective 5.6

Wireless Spectrum Analyzer

Objective 5.4

Cloud Connectivity Troubleshooting

Objective 5.3