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KwickClips Networks and the Internet · 42 sec · free

How many pins does an RJ-45 plug have?

Short answer. 8, one for each wire of a twisted pair cable.

Who sets the MAC address?

The maker of the network card.

Small but vital

PartFact
RJ-45 plug8 pins
MAC address48 bits
Wi-Fi cardWireless NIC

Remember

MAC: set by the maker
Wi-Fi card: no cable

Your network card has its own address. The maker sets it. R J forty five plugs have eight pins. A Mac address has forty eight bits. A Wi-Fi card is a wireless card. Remember. The maker sets the Mac address. Wi-Fi cards need no cable.

This clip is from the full lesson: Network Devices: Modem, Hub, Switch, Router, Gateway and More — 8 minutes, with the tables, the quick answers and the whole lesson in text.

Useful for: CBSE Class 12 Computer Science (083), CBSE Class 12 Informatics Practices (065), CBSE Class 11 Information Technology (802), ICSE Class 10 Computer Applications

More KwickClips from this lesson

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