Computer Science · Oct / Nov 2016 · Paper 13 · Question 10

2 marks for 3 correct binary conversions, 1 mark for 2 correct binary conversions [2]

0 0 0 1 1 0 1 0 1 1 1 1

1 mark for each correct hex value converted 1 A F [3]

2 marks for working + 1 mark for correct answer Working – 1200 × 8 = 9600 (bytes) – 9600/1024 or 9600/1000 – 9.4 or 9.6 kilobytes [3]

Any one from:

MAC address – Media Access Control (address) – unique number that identifies a device (connected to the Internet) – address is made up of manufacturer id + serial number of device – address is allocated by the manufacturer Any one from:

IP address – Internet Protocol (address) – location/address of a device on the Internet – address is unique for given Internet session – address is supplied when a device connects to the Internet – address is allocated by the network [2]

– record (layer) – handshake (layer) [2]