Recall & Review
beginner
What is an IP address?
An IP address is a unique number that identifies a device on a network, like a home address for your computer so data knows where to go.
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beginner
What is the difference between IPv4 and IPv6?
IPv4 uses 4 groups of numbers (like 192.168.1.1) and supports about 4 billion addresses. IPv6 uses 8 groups of hexadecimal numbers (like 2001:0db8::1) and supports many more addresses to handle more devices.
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beginner
How many bits are in an IPv4 address?
An IPv4 address has 32 bits, split into 4 parts of 8 bits each, usually shown as four numbers separated by dots.
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beginner
Why was IPv6 created?
IPv6 was created because IPv4 addresses were running out due to more devices connecting to the internet. IPv6 provides a much larger pool of addresses.
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intermediate
What does the double colon (::) mean in an IPv6 address?
The double colon (::) in IPv6 means one or more groups of zeros are left out to make the address shorter and easier to read.
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How many parts does an IPv4 address have?
✗ Incorrect
An IPv4 address has 4 parts separated by dots, like 192.168.1.1.
Which IP version uses hexadecimal numbers and colons?
✗ Incorrect
IPv6 addresses use hexadecimal numbers and colons, for example 2001:0db8::1.
Why do we need IPv6?
✗ Incorrect
IPv6 was created because the number of available IPv4 addresses was running out.
What is the total number of bits in an IPv6 address?
✗ Incorrect
IPv6 addresses are 128 bits long, allowing many more unique addresses.
What does the 'dot' (.) separate in an IPv4 address?
✗ Incorrect
Dots separate the four groups of numbers in an IPv4 address.
Explain the main differences between IPv4 and IPv6 addresses.
Think about size, format, and why IPv6 was needed.
You got /4 concepts.
Describe how an IP address helps devices communicate on a network using a real-world analogy.
Imagine sending a letter to a friend’s house.
You got /4 concepts.