CompTIA Network+ : N10-007

Module 1 - Networking Concepts

Explain the purposes and uses of ports and protocols.

  • Protocols and port
  • Protocol type
  • Connection-oriented vs. connectionles

Explain devices, applications, protocols and services at their appropriate OSI layers.

  • Layer 1 – Physical
  • Layer 2 – Data link
  • Layer 3 – Network
  • Layer 4 – Transport
  • Layer 5 – Session
  • Layer 6 – Presentation
  • Layer 7 – Application

Explain the concepts and characteristics of routing and switching.

  • Properties of network traffic
  • Segmentation and interface properties
  • Routing
  • IPv6 concepts
  • Performance concepts
  • NAT/PAT
  • Port forwarding
  • Access control list
  • Packet-switched vs. circuit- switched network
  • Software-defined networking

Configure the appropriate IP addressing components.

  • Private vs. public
  • Loopback and reserved
  • Default gateway
  • Virtual IP
  • Subnet mask
  • Subnetting
  • Address assignments

Compare and contrast the characteristics of network topologies, types and technologies.

  • Wired topologies
  • Wireless topologies
  • Types
  • Technologies that facilitate the Internet of Things (IoT)

Implement the appropriate wireless technologies and configurations.

  • 802.11 standards
  • Cellular
  • Frequencies
  • Speed and distance requirements
  • Channel bandwidth
  • Channel bonding
  • MIMO/MU-MIMO
  • Unidirectional/omnidirectional
  • Site surveys

Summarize cloud concepts and their purposes.

  • Types of services
  • Cloud delivery models
  • Connectivity methods
  • Security implications/considerations
  • Relationship between local and cloud resources

Explain the functions of network services.

  • DNS service
  • DHCP servic
  • NTP
  • IPAM

Module 2 - Infrastructure

Given a scenario, deploy the appropriate cabling solution.

  • Media types
  • Plenum vs. PVC
  • Connector types
  • Transceivers
  • Termination points
  • Copper cable standards
  • Copper termination standards
  • Ethernet deployment standards

Determine the appropriate placement of networking devices on a network and install/configure them.

  • Firewall
  • Router
  • Switch
  • Hub
  • Bridge
  • Modems
  • Wireless access point
  • Media converter
  • Wireless range extender
  • VoIP endpoint

Explain the purposes and use cases for advanced networking devices.

  • Multilayer switch
  • Wireless controller
  • Load balancer
  • IDS/IPS
  • Proxy server
  • VPN concentrator
  • AAA/RADIUS server
  • UTM appliance
  • NGFW/Layer 7 firewall
  • VoIP PBX
  • VoIP gateway
  • Content filter

Explain the purposes of virtualization and network storage technologies.

  • Virtual networking components
  • Network storage types
  • Connection type
  • Jumbo frame

Compare and contrast WAN technologies.

  • Service type
  • Transmission mediums
  • Characteristics of service
  • Termination

Module 3 - Network Operations

Use appropriate documentation and diagrams to manage the network.

  • Diagram symbols
  • Standard operating procedures/ work instructions
  • Logical vs. physical diagrams
  • Rack diagrams
  • Change management documentation
  • Wiring and port locations
  • IDF/MDF documentation
  • Labeling
  • Network configuration and performance baselines
  • Inventory managemen

Compare and contrast business continuity and disaster recovery concepts.

  • Availability concepts
  • Recovery
  • MTTR
  • MTBF
  • SLA requirements

Explain common scanning, monitoring and patching processes and summarize their expected outputs.

  • Processes
  • Event management
  • SNMP monitors
  • Metrics

Given a scenario, use remote access methods.

  • VPN
  • RDP
  • SSH
  • VNC
  • Telnet
  • HTTPS/management URL
  • Remote file access
  • Out-of-band management

Identify policies and best practices.

  • Privileged user agreement
  • Password policy
  • On-boarding/off-boarding procedures
  • Licensing restrictions
  • International export controls
  • Data loss prevention
  • Remote access policies
  • Incident response policies
  • BYOD
  • AUP
  • NDA
  • System life cycle
  • Safety procedures and policies

Module 4 - Network Security

Summarize the purposes of physical security devices.

  • Detection
  • Prevention

Explain authentication and access controls.

  • Authorization, authentication and accounting
  • Multifactor authentication
  • Access control

Given a scenario, secure a basic wireless network.

  • WPA
  • WPA2
  • TKIP-RC4
  • CCMP-AES
  • Authentication and authorization
  • Geofencing

Summarize common networking attacks.

  • DoS
  • Social engineering
  • Insider threat
  • Logic bomb
  • Rogue access poin
  • Evil twin
  • War-driving
  • Phishing
  • Ransomware
  • DNS poisoning
  • ARP poisoning
  • Spoofing
  • Deauthentication
  • Brute force
  • VLAN hopping
  • Man-in-the-middle
  • Exploits vs. vulnerabilities

Given a scenario, implement network device hardening.

  • Changing default credentials
  • Avoiding common passwords
  • Upgrading firmware
  • Patching and updates
  • File hashing
  • Disabling unnecessary services
  • Using secure protocols
  • Generating new keys
  • Disabling unused ports

Explain common mitigation techniques and their purposes.

  • Signature management
  • Device hardening
  • Change native VLAN
  • Switch port protection
  • Network segmentation
  • Privileged user account
  • File integrity monitoring
  • Role separation
  • Restricting access via ACLs
  • Honeypot/honeynet
  • Penetration testing

Module 5 - Network Troubleshooting and Tools

Explain the network troubleshooting methodology

  • Identify the problem
  • Establish a theory of probable caus
  • Test the theory to determine the cause
  • 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, and outcomes

Given a scenario, use the appropriate tool.

  • Hardware tools
  • Software tools

Given a scenario, troubleshoot common wired connectivity and performance issues.

  • Attenuation
  • Latency
  • Jitter
  • Crosstalk
  • EMI
  • Open/short
  • Incorrect pin-out
  • Incorrect cable typ
  • Bad por
  • Transceiver mismatch
  • TX/RX reverse
  • Duplex/speed mismatch
  • Damaged cables
  • Bent pins
  • Bottlenecks
  • VLAN mismatch
  • Network connection LED status indicators

Troubleshoot common wireless connectivity and performance issues.

  • Reflection
  • Refraction
  • Absorption
  • Latency
  • Jitter
  • Attenuation
  • Incorrect antenna type
  • Interference
  • Incorrect antenna placement
  • Channel overlap
  • Overcapacity
  • Distance limitations
  • Frequency mismatch
  • Wrong SSID
  • Wrong passphrase
  • Security type mismatch
  • Power levels
  • Signal-to-noise ratio

Troubleshoot common network service issues.

  • Names not resolving
  • Incorrect gateway
  • Incorrect netmask
  • Duplicate IP addresses
  • Duplicate MAC addresses
  • Expired IP address
  • Rogue DHCP server
  • Untrusted SSL certificate
  • Incorrect time
  • Exhausted DHCP scope
  • Blocked TCP/UDP ports
  • Incorrect host-based firewall settings
  • Incorrect ACL settings
  • Unresponsive service
  • Hardware failure
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