COMPTIA A+ Practice Exam

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How many characters does a MAC Address have?

12 Hex characters

A MAC (Media Access Control) address consists of 12 hexadecimal characters. These characters are typically represented in pairs, forming six groups separated by colons or hyphens, resulting in a customary format of XX:XX:XX:XX:XX:XX. Each pair represents one byte, and since one hexadecimal character represents four bits, the totality provides a unique identifier for network devices within a local area network.

The format and total character count ensure that devices can be effectively differentiated from one another on a network, which is crucial for networking and communication processes. Each MAC address is designed to be unique to provide proper addressing for networking protocols. Therefore, the correct understanding of the MAC address format emphasizes the significance of the 12 hexadecimal characters used in its representation.

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10 Hex characters

16 Hex characters

8 Hex characters

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