IP, MAC Addressing and Packet Switching Flashcards
what is an ip address
a unique address that a device can be reached at on a network
what is different about an ip address
it can change
what is an ip address made of
4 sets of 8 bit binary numbers
how many bits is IPv4
32
how many bits is IPv6
128
what is a MAC address
A unique address hard coded onto the NIC when manufactured that will not change and used as a network address in communications within a network segment
what is a MAC address made of
12 hexadecimal characters
what is the difference between MAC address and IP
MAC addresses are represented in hexadecimal while an ip address is represented in binary. An ip address represents a network and the electronics in it while a MAC address is for a single network interface card.
What is the first step on sending files
the data in the file is split into packets
what does each packet contain
senders and receivers IP address
they are numbered in order - packet order
checksum
what is the third step
packets are sent across the quickest and safest routes across routers
what is the fourth step
the data is received at the persons router in the wrong order
how many addresses are there IPv4
4.3 billion addresses
IPv4 - layout
separated by periods
addresses must be reused and masked
IPv6 - layout
every device can have a unique address
separated by colons
supports autoconfiguration