Information Technology- Computer Networks-
Network Topologies- Star Topology, Bus Topology, Ring Topology, Mesh Topology, Tree Topology, Hybrid Topology.
Network Protocols- TCP/IP (Transmission Control Protocol/Internet Protocol), HTTP (Hypertext Transfer Protocol), HTTPS (Hypertext Transfer Protocol Secure), FTP (File Transfer Protocol), SMTP (Simple Mail Transfer Protocol), POP3 (Post Office Protocol version 3), IMAP (Internet Message Access Protocol), DNS (Domain Name System), DHCP (Dynamic Host Configuration Protocol), SNMP (Simple Network Management Protocol).
OSI Model- Physical Layer, Data Link Layer, Network Layer, Transport Layer, Session Layer, Presentation Layer, Application Layer.
Ethernet and LANs- Ethernet Standards, Fiber Optic Ethernet, Wireless LAN (Wi-Fi), LAN Types, LAN Topologies.
Wireless Networking- Wi-Fi (802.11), Bluetooth, Cellular (3G, 4G, 5G), Zigbee, Z-Wave, NFC (Near Field Communication), RFID (Radio Frequency Identification), Satellite.
Network Security- Firewalls, Intrusion Detection Systems (IDS) and Intrusion Prevention Systems (IPS), Virtual Private Networks (VPNs), Access Control Lists (ACLs), Encryption, Network Segmentation, Authentication, Network Monitoring and Logging, Patch Management, Security Policies and Training.
Network Management- Fault Management, Configuration Management, Performance Management, Security Management, Accounting Management, Inventory Management, Topology Management, Policy Management.
IPv4 and IPv6- IPv4- Unicast Address, Broadcast Address, Multicast Address, Anycast Address, IPv6- Global Unicast Address, Link-Local Address, Unique Local Address (ULA), Multicast Address, Anycast Address, IPv4-Mapped IPv6 Address.
Routing and Switching- Routing- Static Routing, Dynamic Routing, Default Routing, Policy-Based Routing (PBR), Multicast Routing, Switching- Layer 2 Switching, Layer 3 Switching, Virtual LANs (VLANs), Spanning Tree Protocol (STP), Multilayer Switching, Quality of Service (QoS).
Network Applications and Services- Email, Web Browsing, File Transfer, Instant Messaging, Voice over IP (VoIP), Video Conferencing, Remote Desktop Services, Virtual Private Network (VPN), Network Security Services, DNS (Domain Name System), Network Management, Collaboration Tools.