課程名稱：CompTIA Network+ 國際認可證書課程
- 簡稱：CompTIA Network+ Training Course |
N10-008 CompTIA Network+ (30 Hours)
Network Technologies, Topologies, and Types
- Wired and Wireless Network Topologies
- Bus Topology
- Ring Topology
- Star Topology (Hub-and-Spoke)
- Mesh Topology
- Hybrid Topology
- Bringing Wireless to a Topology
- Infrastructure Wireless Topology
- Ad Hoc Wireless Topology
- Wireless Mesh Topology
- Network Types and Characteristics
- To Server or Not
- LANs
- WLANs
- WANs
- MANs
- CANs
- SANs
- PANs
- SDWANs
- MPLS
- mGRE
- Network Links and Concepts
- DSL Internet Access
- Cable Broadband
- The Public Switched Telephone Network
- Leased Lines
- T3 Lines
- Metro-Optical
- Satellite Internet Access
- Termination Points
- Demarc, Demarc Extension, and Smart Jacks
- CSUs/DSUs
- Verify Wiring Installation and Termination
- Virtual Networking
Models, Ports, Protocols, and Network Services
- The OSI Networking Model
- The OSI Seven-Layer Model
- Physical Layer (Layer 1)
- Data Link Layer (Layer 2)
- Network Layer (Layer 3)
- Transport Layer (Layer 4)
- Session Layer (Layer 5)
- Presentation Layer (Layer 6)
- Application Layer (Layer 7)
- OSI Model Summary
- Comparing OSI to the Four-Layer TCP/IP Model
- Identifying the OSI Layers at Which Various Network Components
- Operate
- Data Encapsulation/Decapsulation and OSI
- Ports and Protocols
- Connection-Oriented Protocols Versus Connectionless Protocols
- Internet Protocol
- Transmission Control Protocol
- How TCP Works
- User Datagram Protocol
- Internet Control Message Protocol
- IPSec
- Generic Routing Encapsulation
- File Transfer Protocol
- Secure Shell
- Secure File Transfer Protocol
- Telnet
- Simple Mail Transfer Protocol
- Domain Name System (DNS)
- Dynamic Host Configuration Protocol (DHCP)
- Trivial File Transfer Protocol
- Hypertext Transfer Protocol
- Network Time Protocol (NTP)
- Post Office Protocol Version 3/Internet Message Access Protocol
- Version 4
- Simple Network Management Protocol
- Components of SNMP
- SNMP Management Systems
- SNMP Agents
- Management Information Bases
- SNMP Communities
- SNMPv3
- Lightweight Directory Access Protocol
- Hypertext Transfer Protocol Secure
- Server Message Block
- Syslog
- SMTP TLS
- LDAPS
- IMAP over SSL
- POP3 over SSL
- SQL, SQLnet, and MySQL
- Remote Desktop Protocol
- Session Initiation Protocol
- Understanding Port Functions
- Network Services
- Domain Name Service (DNS)
- The DNS Namespace
- Types of DNS Entries
- DNS Records
- DNS in a Practical Implementation
- Dynamic Host Configuration Protocol
- The DHCP Process
- DHCP and DNS Suffixes
- DHCP Relays and IP Helpers
- Network Time Protocol
Addressing, Routing, and Switching
- IP Addressing
- IPv4
- IP Address Classes
- Subnet Mask Assignment
- Subnetting
- Identifying the Differences Between IPv4 Public and Private
- Networks
- Private Address Ranges
- Classless Interdomain Routing
- Default Gateways
- Virtual IP
- IPv4 Address Types
- Unicast Address
- Broadcast Address
- Multicast
- IPv6 Addressing
- Where Have All the IPv4 Addresses Gone?
- Identifying IPv6 Addresses
- IPv6 Address Types
- Global Unicast Addresses
- Link-Local Addresses
- Site-Local Addresses
- Neighbor Discovery
- Comparing IPv4 and IPv6 Addressing
- Assigning IP Addresses
- Static Addressing
- Dynamic Addressing
- BOOT Protocol (BOOTP)
- Automatic Private IP Addressing
- Identifying MAC Addresses
- NAT and PAT
- NAT
- PAT
- SNAT
- DNAT
- Managing Routing and Switching
- The Default Gateway
- Routing Tables
- Static Routing
- Default Route
- Switching Methods
- Packet Switching
- Circuit Switching
- Comparing Switching Methods
- Dynamic Routing
- Distance-Vector Routing
- Link-State Routing
- Hybrid Routing Protocols
- Network Traffic
- Routing Metrics
- Virtual Local-Area Networks
- VLAN Membership
- VLAN Segmentation
- The Spanning Tree Protocol
- Interface Configuration and Switch Management
- MDI-X
- Trunking
- Port Mirroring
- Port Authentication
- Power over Ethernet (PoE and PoE+)
- MAC Address Table
- Switch Management
- Managed and Unmanaged
- Quality of Service
- Traffic Shaping
- Access Control Lists
- ARP and RAR
Network Implementations
- Common Networking Devices
- Firewall
- IDS/IPS
- Router
- Switch
- Hub and Switch Cabling
- Multilayer Switch
- Hub
- Bridge
- DSL and Cable Modems
- Access Point
- Media Converter
- Voice Gateway
- Repeater
- Wireless LAN Controller
- Load Balancer
- Proxy Server
- VPN Concentrators and Headends
- Networked Devices
- Networking Architecture
- Three-Tiered Architecture
- Core Layer
- Distribution/Aggregation Layer
- Access/Edge Layer
- Software-Defined Networking
- Application Layer
- Control Layer
- Infrastructure Layer
- Management Plane
- Spine and Leaf
- Traffic Flows
- Datacenter Location Types
- Storage-Area Networks
- iSCSI
- Fibre Channel and FCoE
- Network-Attached Storag
Cabling Solutions and Issues
- General Media Considerations
- Broadband Versus Baseband Transmissions
- Simplex, Half-Duplex, and Full-Duplex Modes
- Data Transmission Rates
- Types of Network Media
- Twisted-Pair Cabling (Copper)
- Coaxial Cables
- Twinaxial Cables
- Fiber-Optic Cables
- Plenum Versus PVC Cables
- Types of Media Connectors
- BNC Connectors
- RJ-11 Connectors
- RJ-45 Connectors
- F-Type Connectors and RG-59 and RG-6 Cables
- Fiber Connectors
- Transceivers
- Media Couplers/Converters
- TIA/EIA 568A and 568B Wiring Standards
- Straight-Through Versus Crossover Cables
- Rollover and Loopback Cables
- Components of Wiring Distribution
- Network Cross-Connects
- Horizontal Cabling
- Vertical Cables
- Patch Panels
- Fiber Distribution Panels
- 66 and 110 Blocks (T568A, T568B)
- MDF and IDF Wiring Closets
- Ethernet Copper and Fiber Standards
- 10BASE-T
- 100BASE-TX
- 1000BASE-T
- 10GBASE-T
- 40GBASE-T
- 1000BASE-LX and 1000BASE-SX
- 10GBASE-LR and 10GBASE-SR
- Multiplexing Options
- Troubleshooting Common Cable Connectivity Issues
- Limitations, Considerations, and Issues
- Throughput, Speed, and Distance
- Cabling Specifications/Limitations
- Cabling Considerations
- Cabling Applications
- Attenuation and dB Loss
- Interference
- Incorrect Pinout
- Bad Ports
- Open/Short
- LED Status Indicators
- Incorrect Transceivers
- Duplexing Issues
- TX/RX Reversed
- Dirty Optical Cables
- Common Tools
- Cable Crimpers, Strippers, and Snips/Cutters
- Punchdown Tools
- Tone Generator
- Loopback Adapter
- OTDR
- Multimeter
- Cable Tester
- Wire Map
- Tap
- Fusion Splicer
- Spectrum Analyzer
- Fiber Light Meter
Wireless Solutions and Issues
- Understanding Wireless Basics
- Wireless Channels and Frequencies
- Cellular Technology Access
- Speed, Distance, and Bandwidth
- Channel Bonding
- MIMO/MU-MIMO/Directional/Omnidirectional
- Antenna Ratings
- Antenna Coverage
- Establishing Communications Between Wireless Devices
- Configuring the Wireless Connection
- Troubleshooting Wireless Issues
- Site Surveys
- Factors Affecting Wireless Signals
- Interference
- Reflection, Refraction, and Absorption
- Troubleshooting AP Coverage
Cloud Computing Concepts and Options
- Cloud Concepts
- Service Models
- Software as a Service
- Platform as a Service
- Infrastructure as a Service
- Desktop as a Service
- Deployment Models
- Private Cloud
- Public Cloud
- Hybrid and Community Clouds
- Infrastructure as Code
- Connectivity Options
- Multitenancy
- Elasticity
- Scalability
- Security Implications
- The Relationship Between Resources
Network Operations
- Organizational Documents and Policies
- Wiring and Port Locations
- Troubleshooting Using Wiring Schematics
- Physical and Logical Network Diagrams
- Baseline Configurations
- Policies, Procedures, Configurations, and Regulations
- Policies
- Password-Related Policies
- Procedures
- Change Management Documentation
- Configuration Documentation
- Regulations
- Labeling
- High Availability and Disaster Recovery
- Backups
- Full Backups
- Differential Backups
- Incremental Backups
- Snapshots
- Backup Best Practices
- Using Uninterruptible Power Supplies
- Why Use a UPS?
- Power Threats
- Beyond the UPS
- Cold, Warm, Hot, and Cloud Sites
- High Availability and Recovery Concepts
- Active-Active Versus Active-Passive
- Monitoring Network Performance
- Common Performance Metrics
- SNMP Monitors
- Management Information Base (MIB)
- Network Performance, Load, and Stress Testing
- Performance Tests
- Load Tests and Send/Receive Traffic
- Stress Tests
- Performance Metrics
- Network Device Logs
- Security Logs
- Application Log
- System Logs
- History Logs
- Log Management
- Patch Management
- Environmental Factors
Network Security
- Common Security Concepts
- Access Control
- Mandatory Access Control
- Discretionary Access Control
- Rule-Based Access Control
- Role-Based Access Control
- Defense in Depth
- Network Segmentation
- Screened Subnet
- Separation of Duties
- Honeypots
- RADIUS and TACACS+
- Kerberos Authentication
- Local Authentication
- Lightweight Directory Access Protocol
- Using Certificates
- Auditing and Logging
- Multifactor Authentication Factors
- Additional Access Control Methods
- 802.1X
- Extensible Authentication Protocol (EAP)
- Network Access Control (NAC)
- MAC Filtering
- Risk Management
- Penetration Testing
- Security Information and Event Management
- Common Networking Attacks
- Denial-of-Service and Distributed Denial-of-Service Attacks
- Types of DoS Attacks
- Other Common Attacks
- Social Engineering
- Logic Bomb
- Rogue DHCP
- Rogue Access Points and Evil Twins
- Advertising Wireless Weaknesses
- Phishing
- Ransomware
- DNS Poisoning
- ARP Cache Poisoning
- Spoofing
- Deauthentication
- Brute Force
- On-Path Attack
- VLAN Hopping
- ARP Spoofing
- Vulnerabilities and Prevention
- Network Hardening and Physical Security
- Disposing of Assets
- Implementing Physical Security
- Lock and Key
- Swipe Card and PIN Access
- Biometrics
- Two-Factor and Multifactor Authentication
- Secured Versus Unsecured Protocols
- Hardening Best Practices
- Wireless Security
- MAC Filtering
- Antenna Placement and Power Levels
- Isolation
- Pre-shared Keys
- Geofencing
- Captive Portal
- IoT Access Considerations
- Remote-Access Methods
- Remote File Access
- VPNs
- Components of the VPN Connection
- VPN Connection Types
- VPN Pros and Cons
- IPSec
- SSL/TLS/DTLS
- Site-to-Site and Client-to-Site
- Virtual Desktops
- HTTPS/Management URL
- Authentication and Authorization Considerations
- Out-of-Band Management
Network Troubleshooting
- Troubleshooting Steps and Procedures
- Identify the Problem
- Identify Symptoms
- Determine Whether Anything Has Changed
- Duplicate the Problem if Possible
- Approach Multiple Problems Individually
- Establish a Theory of Probable Cause
- Test the Theory to Determine the Cause
- Establish a Plan of Action
- Implement the Solution or Escalate
- Determine Whether Escalation Is Necessary
- Verify Full System Functionality
- Document Findings, Actions, Outcomes, and Lessons
- Software Troubleshooting Tools
- Wi-Fi Analyzer
- Protocol Analyzer
- Bandwidth Speed Tester
- Port Scanner
- iperf
- NetFlow Analyzer
- TFTP Server
- Terminal Emulator
- IP Scanner
- Command-Line Tools
- The Trace Route Utility (tracert/traceroute)
- ping
- The Destination Host Unreachable Message
- The Request Timed Out Message
- The Unknown Host Message
- The Expired TTL Message
- Troubleshooting with ping
- hostname
- ARP
- arp ping
- The netstat Command
- netstat -e
- netstat -a
- netstat -r
- netstat -s
- telnet
- ipconfig
- ifconfig
- nslookup
- dig
- The tcpdump Command
- The route Utility
- nmap
- Basic Network Platform Commands
- Troubleshooting General Networking Issues
- Common Considerations
- Common Problems to Be Aware Of
- Collisions
- Broadcast Storm
- Multicast Flooding
- Asymmetrical Routing
- Switching Loops
- Routing Loops
- Missing Route
- Low Optical Link Budget
- Incorrect VLAN
- DNS Issues
- Incorrect Gateway
- Incorrect Subnet Mask
- Duplicate or Incorrect IP Address
- Duplicate MAC Addresses
- Expired IP Address
- Rogue DHCP Server
- Certificate Issues
- NTP Issues/Incorrect Time
- DHCP Scope Exhaustion
- Blocked Ports, Services, or Addresses
- Incorrect Firewall Settings
- Incorrect ACL Settings
- Unresponsive Service
- BYOD Challenges
- Licensed Feature Issues
- Hardware Failure
- Network Performance Issues
The course content above may change at any time without notice in order to better reflect the contents of examination.
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