CCNA: Cisco Certified Network Associate — Question 579

What is a link-local all-nodes IPv6 multicast address?

Answer options

• A. ff02:0:0:0:0:0:0:1
• B. 2004:33c:94d9:431e:255::
• C. fffe:034:0dd:45d6:789e::
• D. fe80:4433:034:0dd::2

Correct answer: A

Explanation

The correct answer is A, ff02:0:0:0:0:0:0:1, which is the designated link-local all-nodes multicast address in IPv6. The other options do not represent link-local multicast addresses; for example, option B is a global unicast address, while C and D do not correspond to the all-nodes multicast specification.