An engineer is investigating a case of the unauthorized usage of the ''Tcpdump'' tool. The analysis revealed that a malicious insider attempted to sniff traffic on a specific interface. What type of information did the malicious insider attempt to obtain?
A developer is working on a project using a Linux tool that enables writing processes to obtain these required results: If the process is unsuccessful, a negative value is returned. If the process is successful, 0 value is returned to the child process, and the process ID is sent to the parent process. Which component results from this operation?