O-LevelComputer ScienceThe Internet and its uses2210/12 · May/June 2024 · Q74 Marks
A computer has both a media access control (MAC) address and an internet protocol (IP) address.
- (a)Tick (✔) one box to show which of the statements is correct about the MAC address. A It is assigned by the manufacturer. B It is assigned by a router. C It can be static or dynamic. D It is made up of three different parts.[1]
- (b)(i)An IP address can have an IPv4 or IPv6 format. Give an example of an IP address that has an IPv4 format.[1]
- (b)(ii)Give two characteristics of the IPv6 format. 1 2[2]
Mark scheme
Marking points from the official mark scheme (May/June 2024). The mark or mark type is shown in brackets.
- [1] A
- [1] An IP address that has numerical values separated by dots that follows the format with a max value of 255 in any xxx XXX.XXX.XXX.XXX Example: 10.245.3.99
- [2] Any two from: • 128-bit // 16 bytes • Hexadecimal • Separated by colons • Characters in groups of 4 • Has 8 groups of characters • Double colons can be used for sets of (consecutive) zeros (only once)
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