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Computer Science · May / June 2021 · Paper 11 · Question 1

0478

As printed in the paper

The question as text

Benedict has a computer that is assigned an Internet Protocol (IP) address. The IP address is: 198.167.214.0 The IP address is represented as denary values.

Read automatically from the paper; the printed page above is exact.

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  • 1(a)[2]

    One mark per each correct register.

    1

    0

    1

    0

    0

    1

    1

    1

    1

    1

    0

    1

    0

    1

    1

    0

  • 1(b)(i)[1]

    Any one from:

    Both addresses can be used to identify a computer/device
    Both are unique
    Both can be represented as hexadecimal
    Both addresses do not change if IP address is static

  • 1(b)(ii)[2]

    Any two from:

    An IP address is assigned by the network/router/ISP, A MAC address is assigned by the manufacturer
    An IP address can be changed (if dynamic), MAC address cannot be changed
    IP address has 4/8 groups of values, MAC address has 6 groups/pairs of values
    IP address is 32-bit/128-bit, MAC address is 48-bit
    IP address does not contain serial number/manufacturer number, MAC address does
    IP(v4) address is denary and MAC address is hexadecimal
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