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Question 72 - 100-490 discussion

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How are IPv6 addresses notated?

A.

2001:ODB8::1:1:1:1:1

Answers
A.

2001:ODB8::1:1:1:1:1

B.

2001:0DB8:130F:0000:0000:7000:0000:140B

Answers
B.

2001:0DB8:130F:0000:0000:7000:0000:140B

C.

2001:0DB8:0::

Answers
C.

2001:0DB8:0::

D.

2001:0DB8::/128

Answers
D.

2001:0DB8::/128

Suggested answer: B

Explanation:

IPv6 addresses are 128 bits in length and are written as eight groups of four hexadecimal digits. Each group is separated from the others by colons (:). The correct notation for IPv6 addresses allows for the omission of leading zeros within each block of four hexadecimal digits and the use of double colons (::) to represent consecutive blocks of zeros. However, the double colons can only be used once in an address to ensure proper expansion to the full 128 bits. Option B is the only choice that correctly represents a full IPv6 address without any abbreviation.Options A and C use double colons incorrectly, and option D represents a prefix length rather than a full address.Reference:= The information is based on standard IPv6 address notation practices, which include the representation of addresses in hexadecimal format and the rules for abbreviating zeros1

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asked 07/10/2024
Amanda Ferrucho
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