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Which of the following statements regarding the null hypothesis is true?
Pretty Good Privacy
An encryption program that provides cryptographic privacy and authentication for data communication.
Network Switches
Hardware devices that connect and filter data between different devices on a computer network, using MAC addresses to forward data to the correct destination.
ISPs
Internet Service Providers, companies that provide individuals and organizations access to the internet and related services.
Communications Server
A server that handles all communications between the network and other networks, including managing Internet connectivity.
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