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4A0-101 · Question #210

Which of the following best describes a unicast IPv6 address?

The correct answer is A. Fixed total of 128 bits, where 64 bits are used for routing and 64 bits are used as an interface. See the full explanation below for the reasoning.

Question

Which of the following best describes a unicast IPv6 address?

Options

  • AFixed total of 128 bits, where 64 bits are used for routing and 64 bits are used as an interface
  • BFixed total of 128 bits, where 32 bits are used for the global prefix, 32 bits are used for the subnet
  • CVariable total length, where at least 48 bits are used for the global prefix, 48 bits are used for the
  • DVariable total length, where at least 64 bits are used for routing and 64 bits are used as an

How the community answered

(39 responses)
  • A
    72% (28)
  • B
    5% (2)
  • C
    15% (6)
  • D
    8% (3)

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