JN0-102 · Question #16
Which statement is correct regarding IPv6 addresses?
The correct answer is A. An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections. An IPv6 address is 128 bits long and is conventionally represented as eight 16-bit blocks, each expressed as four hexadecimal digits and separated by colons.
Question
Which statement is correct regarding IPv6 addresses?
Options
- AAn IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.
- BAn IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.
- CAn IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.
- DAn IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.
How the community answered
(61 responses)- A89% (54)
- B2% (1)
- C3% (2)
- D7% (4)
Why each option
An IPv6 address is 128 bits long and is conventionally represented as eight 16-bit blocks, each expressed as four hexadecimal digits and separated by colons.
An IPv6 address is indeed 128 bits in length and is typically written as eight groups of four hexadecimal digits (each group representing 16 bits) separated by colons, for example, 2001:0DB8:85A3:0000:0000:8A2E:0370:7334.
IPv6 addresses are 128 bits long, not 64 bits.
While 128 bits is correct, an IPv6 address is separated into eight 16-bit sections, not sixteen 8-bit sections; each 8-bit section would be two hexadecimal digits, not four as commonly seen.
IPv6 addresses are 128 bits long, not 64 bits, and the representation is not eight 8-bit sections.
Concept tested: IPv6 address format and length
Source: https://learn.microsoft.com/en-us/windows-server/networking/technologies/ipv6/ipv6-concepts#ipv6-address-format
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