661What is a ’switch’ in networking used for?
662What is a ’hub’ in basic networking?
663What is ’bandwidth’ in networking?
664What is ’Wi-Fi’?
665What does ’Ethernet’ refer to?
666What is ’bandwidth throttling’?
667What is a ’firewall’ used for in networking?
668What does ’VPN’ stand for?
669What is the primary purpose of a VPN?
670What does ’DNS’ stand for?
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