Projekt_feladat_2023_02_28.pkt

: This specific date-stamped filename suggests it was a final project or a practical exam submission from February 2023.

: Security rules used to permit or deny specific traffic based on IP addresses. Technical Context Projekt_feladat_2023_02_28.pkt

: .pkt files are proprietary formats used exclusively by Cisco Packet Tracer , a cross-platform visual simulation tool. : This specific date-stamped filename suggests it was

The file appears to be a Cisco Packet Tracer lab file, likely created for a Hungarian networking course or exam (given the name "Projekt feladat," which translates to "Project task"). Projekt_feladat_2023_02_28.pkt

: Files created in newer versions (like 8.2 or 8.3) often won't open in older versions of the software.