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Home/ Questions/Q 3211
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Shailendra Yadav
Shailendra YadavLevel 50
Asked: September 16, 20212021-09-16T13:48:34+05:30 2021-09-16T13:48:34+05:30

Which Statement Is True About Mac Addresses?

Which Statement Is True About Mac Addresses?
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    1. Maryam Khalid Bronze
      2021-10-31T14:09:56+05:30Added an answer on October 31, 2021 at 2:09 pm

      MAC address

      To connect one computer to the other computer some of the addresses are used. The MAC address is the physical address of the devices which is specific for each device, and it is unique. The MAC address work at the data link layer of the Open system interconnection model.

      In this article, we are discussing the MAC address, its structure, and the methods to find it in the windows, MAC, etc. to know more scroll down to the topic it will also answer the following question: Which statement is true about MAC address?

      What are media access control and its structure?

      The MAC address is specific which is situated inside the network interface card (NIC) when the hardware devices are built.it is also called the physical address of the device because millions of the devices exist in the world and to differentiate between them, we need something specific and unique MAC address is that address. it can establish the connection by plugging the Ethernet cable or some kind of the wireless technology.

      The MAC address has three types in the following:

      Unicast: A unicast address is only sent toward the specific NIC, and if the first octet of Least significant is 0 the frame is for one receiving port.

      Multicast: The frames are sent to multiple devices. the IEEE use some standard for the same frames in a device.

      Broadcast: The broadcast is underlaying the data link layer, the frame with one in destination address is the broadcast address.

      Structure of the MAC address:

      The physical address is the 12-digit hexadecimal number which is separated with the help of the colon or maybe the hyphens at a gap of the two digits to make it easy and readable. For example, A MAC address 2C: 45:67:88: D5:A4 or 2C-45-67-88-D5-A4.

       How to find the MAC address?

      To find the MAC address in Linux or windows first you need a command prompt because the commands are used to find the physical address.

      In Linux:

      The commands for Linux are in the following:

      Ifconfig -a

      ip link list

      ip address show

      In window:

      Ipconfig /all

      MacOS – TCP/IP control panel.

      Which statement is true about MAC addresses?

        • They are deployed by the software.
        • The MAC address is used for the Wireless connection by NIC.
        • The 3 bytes of the MAC address are for the use of the OUI assigned by the supplier.
      • OSI regulates the MAC address
      • It is a 64-bit address.
      • The MAC address represents in hexadecimal.

      Answer: the MAC address is a 6-byte address the first three are for the identification of the vendors while the other 3 have the specific value for the same OUI. They are deployed by the hardware, not by software. The MAC is for the communication over LAN ns the regulation is done by the IEEE. The MAC address is in the form of Hexadecimal for quick understanding rather than the binary form.

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