๐ Network Definition: A network is a collection of interconnected devices that can communicate and share resources.
๐ฅ๏ธ Components:
– Nodes: Devices like computers, printers, and servers.
– Links: Connections between nodes, such as cables or wireless signals.
๐ Network Security:
Definition: Measures and controls to protect the integrity, confidentiality, and availability of network data.
๐ก๏ธ Techniques:
– Firewalls: ๐งฑ Barriers that monitor and control incoming and outgoing network traffic.
– Encryption: ๐ Scrambling data to make it unreadable without a decryption key.
– Intrusion Detection Systems (IDS): ๐จ Tools that detect unauthorized access or anomalies.
– Virtual Private Networks (VPNs): ๐ Secure connections over public networks.
