CCNA: Cisco Certified Network Associate — Question 174

Which IPv6 address type provides communication between subnets and cannot route on the Internet?

Answer options

• A. link-local
• B. unique local
• C. multicast
• D. global unicast

Correct answer: B

Explanation

The correct answer is B, unique local addresses, as they are designed for local communication within a network and cannot be routed on the Internet. Option A, link-local addresses, are used for communication within the same local network segment but do not facilitate subnet communication. Options C and D refer to multicast and global unicast addresses, respectively, which are routable on the Internet.