41
What does a MAC address identify?
42
Which cable connector is commonly used for Ethernet?
43
What is the typical maximum length of a standard copper Ethernet channel using twisted-pair cabling?
44
What does a switch generally do on a LAN?
45
What does a router generally do?
46
What is the purpose of a wireless access point?
47
What does VPN stand for?
48
Why is WPA2 or WPA3 used on Wi-Fi?
49
What does `ipconfig /flushdns` do in Windows?
50