CompTIA Network+ Certification Training Course
1 Network architecture
1.1 Explain the functions and applications of various network devices
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Router
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Switch
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Multilayer switch
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Firewall
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HIDS
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IDS/IPS
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Access point (wireless/wired)
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Content Filter
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Load balancer
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Hub
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Analog modem
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Packet shaper
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VPN concentrator
1.2 Compare and contrast the use of networking services and applications
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VPN
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IPsec
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GRE
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SSL VPN
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PTP/PPTP
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TACACS/RADIUS
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RAS
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Web services
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Unified voice services
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Network controllers
1.3 Install and configure the following networking services/applications
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DHCP
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DNS
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Proxy/reverse proxy
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NAT
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Port forwarding
1.4 Explain the characteristics and benefits of various WAN technologies
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Fiber
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Frame relay
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Satellite
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Broadband cable
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DSL/ADSL
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ISDN
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ATM
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PPP/Multilink PPP
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MPLS
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GSM/CDMA
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Dialup
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WiMAX
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Metro-Ethernet
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Leased lines
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Circuit switches vs packet switch
1.5 Install and properly terminate various cable types and connectors using appropriate tools
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Copper connectors
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Copper cables
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Fiber connectors
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Fiber cables
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Media converters
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Tools
1.6 Differentiate between common network topologies
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Mesh
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Bus
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Ring
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Star
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Hybrid
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Point-to-point
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Point-to-multipoint
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Client-server
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Peer-to-peer
1.7 Differentiate between network infrastructure implementations
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WAN
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MAN
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LAN
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WLAN
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PAN
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Bluetooth
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SCADA/ICS
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Medianet's
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ISDN
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IP/SIP
1.8 Given a scenario, implement and configure the appropriate addressing schema
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IPv6
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EUI 64
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Teredo, mired
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IPv4
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Private vs public
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NAT/PAT
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MAC addressing
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Multicast
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Unicast
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Broadcast
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Broadcast domains vs, collision domains
1.9 Explain the basics of routing concepts and protocols
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Loopback interface
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Routing loops
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Routing tables
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Static vs dynamic routes
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Default route
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Distance vector routing protocols
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Hybrid routing protocols t
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Link state routing protocols
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Interior vs exterior gateway routing protocols
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Autonomous system numbers
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Route redistribution
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High availability
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Route aggregation
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Routing metrics
1.10 Identify the basics elements of unified communication technologies
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VoIP
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Video
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Real time services
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QoS
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Devices
1.11 Compare and contrast technologies that support cloud and virtualization
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Virtualization
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Storage area network
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Cloud concepts
1.12 Given a set of requirements, implement a basic network
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List of requirements
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Device types/requirements
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Environment limitations
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Equipment limitations
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Compatibility requirements
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Wired/wireless considerations
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Security considerations
2.1 Given a scenario, use appropriate monitoring tools
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Packet/network analyzer
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Packet/network analyzer
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Interface monitoring tools
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Port scanner
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Top talkers/listeners
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SNMP management software
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Alerts
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Packet flow monitoring
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SYSLOG
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SIEM
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Environmental monitoring tools
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Power monitoring tools
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Wireless survey tools
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Wireless analyzers
2.2 Given a scenario, analyze metrics and reports from monitoring and tracking performance tools
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Baseline
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Bottleneck
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Log management
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Graphing
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Utilization
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Link status
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Interface monitoring
2.3 Given a scenario, use appropriate resources to support configuration management
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Archives/backups
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Baselines
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On-boarding and off-boarding of mobile devices
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NAC
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Documentation
2.4 Explain the importance of implementing network segmentation
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SCADA systems/Industrial control systems
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Legacy systems
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Separate private/public networks
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Honeypot/Honeynet
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Testing lab
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Load balancing
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Performance optimization
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Security
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Compliance
2.5 Given a scenario, install and apply patches and updates
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OS updates
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Firmware updates
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Driver updates
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Feature changes/updates
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Major vs minor updates
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Vulnerability patches
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Upgrading vs downgrading
2.6 Given a scenario, configure a switch using proper features
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VLAN
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Spanning tree (802.1d) /rapid spanning tree (802.1w)
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Interface configuration
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Default gateway
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Poe and PoE+ (802.3AF, 802.3at)
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Switch management
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Managed vs. unmanaged
2.7 Install and configure wireless LAN infrastructure and implement the appropriate technologies in support of wireless capable devices
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Small office/home office wireless router
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Wireless access points
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VLAN pooling
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LWAPP
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Wireless bridge
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Site surveys
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Frequencies
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Channels
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Goodput
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Connection types
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Antenna placement
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Antenna types
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MIMO/MUMIMO
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Signal strength
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SSID broadcast
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Topologies
3.1 Compare and contrast common network vulnerabilities and threats
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Attacks/threats
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Distributed DoS
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Botnet
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Traffic spike
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Coordinated attack
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Reflective/amplified
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DNS
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NTP
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Smurfing
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Friendly/unintentional DoS
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Physical attack
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Permanent DoS
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Evil twin
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Rogue AP
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Wardriving
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War chalking
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Bluejacking
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Bluesnarfing
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WPA/WEP/WPS attacks
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Vulnerabilities
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TELNET
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HTTP
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SLIP
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FTP
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TFTP
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SNMPv1 and SNMPv2
3.2 Given a scenario, implement network hardening techniques
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Anti-malware software
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Switch port security
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Network segmentation
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Security policies
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Disable unneeded network services
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Use secure protocols
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Access lists
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Wireless security
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Enterprise
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Personal
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User authentication
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Hashes
3.3 Compare and contrast physical security controls
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Mantraps
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Network closets
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Video monitoring
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Door access controls
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Proximity readers/key fob
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Biometrics
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Keypad/cypher locks
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Security guard
3.4 Given a scenario, install and configure a basic firewall
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Types of firewalls
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Settings/techniques
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Outbound traffic
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Inbound traffic
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Internal/external
3.5 Explain the purpose of various network access control models
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1x
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Posture assessment
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Guest network
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Persistent vs non-persistent agents
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Quarantine network
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Edge vs access control
3.6 Summarize basic forensic concepts
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First responder
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Secure the area
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Document the scene
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eDiscovery
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Evidence/data collection
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Chain of custody
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Data transport
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Forensics report
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Legal hold
4.1 Given a scenario, implement the following network troubleshooting methodology
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Identify the problem
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Establish a theory of probable cause
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Top-to-bottom/bottom-to-top OSI model
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Divide and conquer
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Test the theory to determine the cause
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Establish a plan of action to resolve the problem and identify potential effects
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Implement the solution or escalate as necessary
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Verify full system functionality and, if applicable implement preventative measures
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Document findings, actions, and outcomes
4.2 Given a scenario, analyze and interpret the output of troubleshooting tools
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Command line tools
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Line testers
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Certifiers
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Multimeter
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Cable tester
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Light meter
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Toner probe
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Speed test sites
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Looking glass sites
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Wi-Fi analyzer
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Protocol analyzer
4.3 Given a scenario, troubleshoot and resolve common wireless issues
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Signal loss
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Interference
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Overlapping channels
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Signal-to-noise ratio
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Device saturation
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Bandwidth saturation
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Untested updates
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Wrong SSID
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Power levels
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Open networks
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Rogue access point
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Wrong antenna type
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Incompatibilities
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Wrong encryption
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Bounce
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MIMO
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AP Placement
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AP configurations
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Environmental factors
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Wireless standard-related issues
4.4 Given a scenario, troubleshoot and resolve common copper cable issues
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Shorts
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Opens
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Incorrect termination (mismatched standards)
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Cross-talk
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EMI/RFI
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Distance limitations
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Attenuation/Db loss
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Bad connector
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Bad wiring
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Split pairs
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Tx/Rx reverse
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Cable placement
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Bad SFP/GBIC - cable or transceiver
4.5 Given a scenario, troubleshoot and resolve common fiber cable issues
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Attenuation/Db loss
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SFP/GBIC - cable mismatch
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Bad SFP/GBIC - cable or transceiver
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Wavelength mismatch
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Fiber type mismatch
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Dirty connectors
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Connector mismatch
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Bend radius limitations
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Distance limitations
4.6 Given a scenario, troubleshoot and resolve common network issues
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Incorrect IP configuration/default gateway
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Broadcast storms/switching loop
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Duplicate IP
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Speed and duplex mismatch
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End-to-end connectivity
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Incorrect VLAN assignment
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Hardware failure
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Misconfigured DHCP
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Misconfigured DNS
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Incorrect interface/interface misconfiguration
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Cable placement
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Interface errors
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Simultaneous wired/wireless connections
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Discovering neighbouring devices/nodes
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Power failure/power anomalies
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MTU/MTU black hole
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Missing IP routes
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NIC teaming misconfiguration
4.7 Given a scenario, troubleshoot and resolve common security issues
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Misconfigured firewall
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Misconfigured ACLs/applications
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Malware
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Denial of service
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Open/closed ports
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ICMP related issues
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Unpatched firmware/Oss
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Malicious users
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Authentication issues
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Improper access/backdoor access
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ARP issues
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Banner grabbing/OUI
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Domain/local group configurations
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Jamming
4.8 Given a scenario, troubleshoot and resolve common WAN issues
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Loss of internet connectivity
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Interface errors
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Split horizon
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DNS issues
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Interference
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Router configurations
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Customer premise equipment
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Company security policy
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Satellite issues
5 Industry standards, practices, and network theory
5.1 Analyze a scenario and determine the corresponding OSI layer.
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Layer 1 – Physical
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Layer 2 – Datalink
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Layer 3 – Network
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Layer 4 – Transport
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Layer 5 – Session
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Layer 6 – Presentation
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Layer 7 – Application
5.2 Explain the basics of network theory and concepts.
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Encapsulation/de-encapsulation
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Modulation techniques
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Numbering systems
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Broadband/baseband
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Bit rates vs. baud rate
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Sampling size
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CDMA
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CSMA/CD and CSMA/CA
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Carrier detects/sense
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Wavelength
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TCP/IP suite
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Collision
5.3 Given a scenario, deploy the appropriate wireless standard.
5.4 5.4 Given a scenario, deploy the appropriate wired connectivity standard.
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Ethernet standards
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Ethernet over HDMI
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Ethernet over power line
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Wiring standards
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Broadband standards
5.5 Given a scenario, implement the appropriate policies or procedures.
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Security policies
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Network policies
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Acceptable use policy
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Standard business documents
5.6 Summarize safety practices.
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Electrical safety
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ESD
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Installation safety
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MSDS
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Emergency procedures
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Fire suppression systems
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HVAC
5.7 Given a scenario, install and configure equipment in the appropriate location using best practices.
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Intermediate distribution frame
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Main distribution frame
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Cable management
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Power management
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Device placement
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Airflow
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Cable trays
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Rack systems
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Labelling
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Rack Monitoring
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Rack security
5.8 Explain the basics of change management procedures.
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Document the reason for a change
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Change request
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Approval process
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Maintenance window
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Notification of change
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Documentation
5.9 Compare and contrast the following ports and protocols.
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80 HTTP
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443 HTTPS
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137-139 NetBIOS
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110 POP
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143 IMAP
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25 SMTP
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5060/5061 SIP
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2427/2727 MGCP
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5004/5005 RTP
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1720 H.323
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TCP
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UDP
5.10 Given a scenario, configure and apply the appropriate ports and protocols.
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20,21 FTP
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161 SNMP
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22 SSH
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23 Telnet
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53 DNS
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67,68 DHCP
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69 TFTP
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445 SMB
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3389 RDP
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