Which IPv6 address is the equivalent of the IPv4 interface loopback address 127.0.0.1?

Question:
Which IPv6 address is the equivalent of the IPv4 interface loopback address 127.0.0.1?

• A. : :1
• B. ::
• C. 2000::/3
• D. 0::/10

Explanation: In IPv6 the loopback address is written as, ::1
This is a 128bit number, with the first 127 bits being '0' and the 128th bit being '1'. It's just a single address, so could also be written as ::1/128.

Exam with this question: CA201
Exam with this question: CCNA v3.0 (200-125) Study Guide – Exam Dumps