Routers act as gateways to both internal and external networks, with the capability of blocking unauthorized access and filtering traffic when the router has a firewall installed in it Key principles of network security include confidentiality, integrity, and availability (CIA) along with ensuring authentication, and authorization to track and monitor access

Switches allow for network segmentation, and they can provide another layer of security by isolating traffic within VLANs Networks go far beyond basic components and include protocols and services that control how information is transmitted and received.

authentication — process of verifying the identity of a user or device, often through credentials such as passwords or digital certificates. information privacy — right and measure of control individuals have over the collection, storage, management, and dissemination of their personal information. information security — practice of protecting information by mitigating information risks and vulnerabilities, which encompasses data privacy, data confidentiality, data integrity, and data…. network security — process of guarding network infrastructure and IT systems from unauthorized access, misuse, malfunction, or improper disclosure to unintended parties.