Which of these is an example of a MAC address? ()

Question

Options

• A2001 : db8: 3333 : 4444 : 5555 : 6666 : 7777 : 8888
• B10.23.19.49
• C0051021f58
• D00-51-02-1F-58-F6

• A
  2% (1)
• B
  5% (2)
• D
  93% (41)

Explanation

All network devices have a 48-bit Media Access Control (MAC) address, represented as six groups of 8 bits values in hexadecimal (see ISC2 Study Guide, chapter 4, module 1 - Understand Computer Networking). An example of a MAC address would be 00-51-02-1F-58-F6. An IPv4 address is a 32-bit address represented as a sequence of four 8-bit integers, an example of which would be 10.23.19.49. An IPv6 address is a 128-bit address represented as a sequence of eight groups of 16-bit hexadecimal values, an example of which would be 2001 : db8: 3333 : 4444 : 5555 : 6666 : 7777 : 8888. The string 0051021f58 is a 40-bit WEP key consisting of 10 hexadecimal digits typically represented as a string of 5 ASCII characters. WEP keys are used to secure wireless networks, and can be either 40 bits or 104 bits in length, depending on the encryption mode that is used.

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