2.5 IPv4 and IPv6 Flashcards
___ is now part of all major operating systems and the backbone of our Internet infrastructure
IPv6
What does IPv4 stand for?
Internet Protocol version 4
What OSI layer is IPv4?
OSI layer 3 address
How many bits are IPv6 addresses?
128 bits //2 octets each section (16 bits)//8 sections
(16 bytes)
How many addresses are available for IPv6?
340 undecillion
(6.8 billion people could each have 5 bajillion addresses)
For IPv4, every device needs….?
a unique IP address
What is a subnet mask used by? To do what?
Used by the local device to determine its subnet
Is the subnet mask usually transmitted across the network?
Not usually
What is a default gateway? What does it allow you to do?
the router that allows you to communicate outside of your local subnet
192.168.1.1.
The default gateway must be….?
must be an IP address on the local subnet
You configure how many DNS servers in your IP configuration?
2 (because it’s important)
How many bits are in an IPv4 address?
32 bits//4 octets
(4 bytes)
How do you shrink this IPv6 address?
fe80:0000:0000:0000:5d18:0652:cffd:8f52
fe80::5d18:652:cffd:8f52