2.0 Networking

2.1 Identify types of network cables and connectors.

• Fiber
  • Connectors: SC, ST and LC
• Twisted Pair
  • Connectors: RJ-11, RJ-45
  • Wiring standards: T568A, T568B
• Coaxial
  • Connectors: BNC, F-connector

2.2 Categorize characteristics of connectors and cabling.

• Fiber
  • Types (single-mode vs. multi-mode)
  • Speed and transmission limitations
• Twisted pair
  • Types: STP, UTP, CAT3, CAT5, CAT5e, CAT6, plenum, PVC
  • Speed and transmission limitations
• Coaxial
  • Types: RG-6, RG-59
  • Speed and transmission limitations

2.3 Explain properties and characteristics of TCP/IP.

• IP class
  • Class A
  • Class B
  • Class C
• IPv4 vs. IPv6
• Public vs. private vs. APIPA
• Static vs. dynamic
• Client-side DNS
• DHCP
• Subnet mask
• Gateway

2.4 Explain common TCP and UDP ports, protocols, and their purpose.

• Ports
  • 21 – FTP
  • 23 – TELNET
  • 25 – SMTP
  • 53 – DNS
  • 80 – HTTP
  • 110 – POP3
  • 143 – IMAP
  • 443 – HTTPS
  • 3389 – RDP
• Protocols
  • DHCP
  • DNS
  • LDAP
  • SNMP
  • SMB
  • SSH
  • SFTP
• TCP vs. UDP

2.5 Compare and contrast wireless networking standards and encryption types.

• Standards
  • 802.11 a/b/g/n
  • Speeds, distances and frequencies
• Encryption types
  • WEP, WPA, WPA2, TKIP, AES

2.6 Install, configure, and deploy a SOHO wireless/wired router using appropriate settings.

• MAC filtering
• Channels (1 – 11)
• Port forwarding, port triggering
• SSID broadcast (on/off)
• Wireless encryption
• Firewall
• DHCP (on/off)
• DMZ
• NAT
• WPS
• Basic QoS

2.7 Compare and contrast Internet connection types and features.

• Cable
• DSL
• Dial-up
• Fiber
• Satellite
• ISDN
• Cellular (mobile hotspot)
• Line of sight wireless internet service
• WiMAX

2.8 Identify various types of networks.

• LAN
• WAN
• PAN
• MAN
• Topologies
  • Mesh
  • Ring
  • Bus
  • Star
  • Hybrid

2.9 Compare and contrast network devices their functions and features.

• Hub
• Switch
• Router
• Access point
• Bridge
• Modem
• NAS
• Firewall
• VoIP phones
• Internet appliance

2.10 Given a scenario, use appropriate networking tools.

• Crimper
• Multimeter
• Toner probe
• Cable tester
• Loopback plug
• Punchdown tool