A device that helps prevent congestion and data collisions –

A. Switch

B. Hub
C. Gateway
D. Proxy server

Explanation: A switch is a device that splits large networks into smaller segments, decreasing the number of users sharing the same network resources and bandwidth.

Occurrence: 0, System Administrator 2026

A device that helps prevent congestion and data collisions – | Switch | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database

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