Cisco 200-125 Exam

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
Answer: Option A.
Explanation: 

In IPv6 the loopback address is written as,
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.

Leave a Reply

Your email address will not be published.

Back to top button

Adblock Detected

Please consider supporting us by disabling your ad blocker
error: Alert: Content is protected !!