# 6.7 IP Version 6

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question
Which of the following are valid IPv6 addresses?
141:0:0:0:15:0:0:1 6382:1319:7700:7631:446A:5511:8940:2552 An IPv6 IP address is a 128-bit address listed as eight 16-bit hexadecimal sections. Leading zeros can be omitted in each section. Therefore, 6384:1319:7700:7631:446A:5511:8940:2552 and 141:0:0:0:15:0:0:1 are both valid IPv6 addresses. A single set of all-zero sections can be abbreviated with two colons (::). Therefore, 141::15:0:0:1 would be a valid way of writing that address. Digits in a hexadecimal system range from 0-9 and A-F. H is not a valid hexadecimal number. 343F:1EEE:ACDD:2034:1FF3:5012 is too short, having only six sections instead of eight.
question
Which of the following is a valid IPv6 address?
FEC0::AB:9007 FEC0::AB:9007 is a valid IPv6 address. The :: in the address replaces blocks of consecutive 0's. The longer form of this address would be FEC0:0000:0000:0000:0000:0000:00AB:9007. Leading 0's within a quartet can be omitted. You can only omit one block of 0's using the double colon. Each number in the IPv6 address must be between 0-9 or A-F; G is not a valid number for the IPv6 address. An address without double colons should have a total of 32 hexadecimal numbers in 8 blocks.
question
Which of the following correctly describe the most common format for expressing IPv6 address?
32 numbers, grouped using colons Hexadecimal numbers IP version 6 addresses are made up of 32 hexadecimal numbers, organized into 8 quartets. The quartets are separated by colons. An IPv6 address is a 128-bit number (128 binary digits). IP version 4 addresses use decimal numbers, organized into 4 octets and separated by periods.
question
Which of the following describes an IPv6 address?
128-bit address Eight hexadecimal quartets IP version 6 addresses are 128-bit addresses. They are commonly written using 32 hexadecimal numbers, organized into 8 quartets. Each quartet is represented as a hexadecimal number between 0 and FFFF. The quartets are separated by colons. IP version 4 addresses are 32-bit addresses. They have four octets, each octet being a binary number of 8 digits. Each octet has a decimal value between 0 and 255.
question
Which of the following identifies the Interface ID component of an IPv6 address?