Networking and Telecommunications
Telecommunications is electronic transmission of information. Modern business depends on reliable networks.
Network Components
Transmission media, network devices, protocols (TCP/IP, HTTP), and software.
Internet and Web
Global network using TCP/IP. Web 2.0 (user content), Web 3.0 (semantic). IoT connects physical devices.
Intranet and Extranet
Intranet: private internal network. Extranet: extends to external partners. Both improve collaboration.
Cloud Computing
IaaS, PaaS, SaaS. Public, private, hybrid deployment. Scalability, cost savings, flexibility.
Network Security
Firewalls, IDS/IPS, VPNs, encryption, authentication. Policies and training equally important.
Summary
Networking connects organisations internally and externally for effective business operations.