Public Switched Telephone Network (PSTN): A network of telephone lines, switches, and other equipment used to transmit voice and data over long distances, forming the basis for traditional telephony and internet telephony systems, including landlines and cellular networks.
Categories: CC D4: Network Security | CCSP D3: Cloud Platform and Infrastructure Security | CISM D3: Information Security Program | CISSP D4: Communication and Network Security | Security+ D3: Security Architecture | SSCP D6: Network and Communication Security
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