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1. • • MAC addresses work with the card in your device that lets it connect wirelessly to the internet, called a Network Interface Controller (NIC). MAC addresses are used to identify which device is which on your local network so that data gets sent to your computer and not your roommate's smartphone.
     www.howtogeek.com/764868/what-is-a-mac-address-and-how-does-it-work/

     What Is a MAC Address, and How Does It Work? - How-To Geek

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   Why do I need to know my MAC address?

   • MAC addresses are commonly used to identify your device when connecting to a network. Routers can filter out MAC addresses they don’t recognize. It’s useful to know the MAC address of your device to ensure it connects to the network properly. Let’s revisit the example we used before.

   What’s a MAC Address and Why Is It Needed? - airsquirrels.com

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   What is a MAC address?

   • MAC addresses are associated with specific devices and assigned to them by the manufacturer. Other names used for MAC addresses include: Wi-Fi, Bluetooth, and Ethernet connections all use MAC addresses. MAC addresses work with the card in your device that lets it connect wirelessly to the internet, called a Network Interface Controller (NIC).

   What Is a MAC Address, and How Does It Work? - How-To Geek

   www.howtogeek.com/764868/what-is-a-mac-address-and-how-does-it-work/

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   Are MAC addresses permanent?

   • MAC addresses are assigned to all network adapters at the moment of their manufacture, and they are unique for each networking device. The MAC address of a network device is written by its manufacturer directly in that device's hardware read-only memory, and cannot be removed from there. And No, the MAC address is not permanent!

   What is the MAC address, and how is it used? - Digital Citizen

   www.digitalcitizen.life/simple-questions-what-mac-address-how-change-it-windows/

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   How do MAC addresses work?

   • MAC addresses work with the card in your device that lets it connect wirelessly to the internet, called a Network Interface Controller (NIC). MAC addresses are used to identify which device is which on your local network so that data gets sent to your computer and not your roommate's smartphone.

   What Is a MAC Address, and How Does It Work? - How-To Geek

   www.howtogeek.com/764868/what-is-a-mac-address-and-how-does-it-work/

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   Does my computer need a MAC address?

   • Even if your computer has an IP address, it still needs a MAC address to find other machines on the same network, since every layer is using underlying layers. On the page mentioned earlier you can find some nice diagrams explaining the protocol suite in detail.

   networking - Why are Ethernet/MAC addresses needed? - Super User

   superuser.com/questions/830857/why-are-ethernet-mac-addresses-needed

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   What is a MAC address on a network card?

   • In most cases, the MAC address on a network card does not change, so essentially the address identifies the physical piece of hardware. MAC addresses are necessary for routing data across networks. They don't contain user-identifiable information, and usually they aren't even visible outside of your local network.

   What is a MAC address, and what does it reveal about me?

   superuser.com/questions/187421/what-is-a-mac-address-and-what-does-it-reveal-about-me

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3. www.howtogeek.com › 764868 › what-is-a-mac-addressWhat Is a MAC Address, and How Does It Work? - How-To Geek

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   Nov 16, 2021 · MAC addresses work with the card in your device that lets it connect wirelessly to the internet, called a Network Interface Controller (NIC). MAC addresses are used to identify which device is which on your local network so that data gets sent to your computer and not your roommate's smartphone.

4. www.howtogeek.com › 192173 › how-and-why-to-changeHow (and Why) to Change Your MAC Address on Windows, Linux ...

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   Jun 22, 2017 · Change a MAC Address in Windows. Change a MAC Address in Linux. Change a MAC Address in Mac OS X. A device's MAC address is assigned by the manufacturer, but it's not to hard to change---or "spoof"---those addresses when you need to. Here's how do do it, and why you might want to.

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     How to change Windows 10 MAC Addresses - WiFi and Ethernet

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6. blog.airsquirrels.com › what-is-a-mac-address-andWhat’s a MAC Address and Why Is It Needed? - airsquirrels.com

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   Jan 31, 2019 · What is a MAC address? How do you find a MAC address? Why should you care about a MAC address in the first place? We have the answers you’re looking for. Here’s what you need to know about MAC addresses: Question 1: What is a MAC address? A MAC address is a unique identifier for a device that accesses the internet.

7. www.digitalcitizen.life › simple-questions-whatWhat is the MAC address, and how is it used? - Digital Citizen

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   Feb 20, 2019 · The MAC address of a network device is written by its manufacturer directly in that device's hardware read-only memory, and cannot be removed from there. And No, the MAC address is not permanent! Although the MAC address cannot be erased from a networking device, it can be spoofed.

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8. www.howtogeek.com › 169540 › what-exactly-is-a-macWhat Exactly Is a MAC Address Used For? - How-To Geek

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   Sep 3, 2013 · MAC addresses are the low level basics that make your ethernet based network work. Network cards each have a unique MAC address. Packets that are sent on the ethernet are always coming from a MAC address and sent to a MAC address.

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9. superuser.com › questions › 830857Why are Ethernet/MAC addresses needed? - Super User

   superuser.com › questions › 830857

   Oct 24, 2014 · The thing is, you need to be able to identify your MacBook Pro ( :D ) among all the other computers, so you need a UNIQUE address, not a dynamic / shared one. That's your mac. And that's why you need it.

10. www.online-tech-tips.com › what-is-a-mac-addressWhat is a MAC Address and How to Find It On PC or Mac

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    Nov 30, 2020 · How to Find a MAC Address On Your PC or Mac. There are several reasons why you need to figure out your device’s MAC address including to: Track your device. Prevent unwanted network access. Find receivers or senders in the network. Service your device. Many times you’ll need to provide your MAC address.