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Sniffers can be prevented by using _______________

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Sniffers can be prevented by using _______________

(a) Wired environment

(b) WiFi

(c) Ethernet LAN

(d) Switched network

This question was posed to me during an online interview.

This key question is from Network  Attacks topic in section Security & Physical Layer of Computer Network

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Best answer
Correct choice is (d) Switched network

Easiest explanation: Switches make sure that the packet is sent to the intended receiver and no one else, thus preventing Sniffers to perform their function. Intelligent switches are hence used preferably for the network.

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