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
| Part | Fact |
|---|---|
| RJ-45 plug | 8 pins |
| MAC address | 48 bits |
| Wi-Fi card | Wireless 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
What two words make up modem?42 sec
Which device sends data to all ports?40 sec
Which address does a router read?43 secDisclaimer. KwickAcademy is free study material for general learning and revision. Parts of it, including the voice-over, are produced with the help of AI tools and may contain errors; if you spot one, please tell us and we will correct it. Syllabus, marks and exam details follow the latest official board publications available to us, and boards can change them at any time, so always confirm against your board's official website and your school. Using this material does not guarantee any marks or result. Board names and trademarks belong to their owners; Kwickprep is not affiliated with or endorsed by any examination board. We never ask for passwords, OTPs or ID numbers. Your progress is saved only in this browser. Full disclaimer · Privacy

