IP Addressing & MAC Addressing (OCR GCSE Computer Science): Flashcards
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IP address definition
IP address definition
Unique numerical identifier assigned to each network device
Are IP addresses static or dynamic?
Are IP addresses static or dynamic?
Dynamic - can change depending on the network
IP address use
IP address use
Global identification across networks (e.g., internet)
MAC address definition
MAC address definition
Unique hardware identifier assigned to NIC by manufacturer
Are MAC addresses static or dynamic?
Are MAC addresses static or dynamic?
Static - unique to each device's hardware
MAC address use
MAC address use
Within local networks to deliver data to the right device
IPv4 format structure
IPv4 format structure
4 groups of numbers separated by periods (dots)
IPv4 octet range
IPv4 octet range
0 to 255
IPv4 address limit
IPv4 address limit
About 4.3 billion addresses
IPv4 bit format
IPv4 bit format
32-bit address format
IPv6 format structure
IPv6 format structure
8 groups of hexadecimal numbers separated by colons
IPv6 address capacity
IPv6 address capacity
340 undecillion addresses
IPv6 bit format
IPv6 bit format
128-bit address format
MAC address format
MAC address format
6 pairs of hexadecimal numbers (0-9, A-F)
MAC address permanence
MAC address permanence
Remains constant for the device's lifetime