Networking Question of the Week By Guest Authors November 8, 2011 Every other week we post TCP/IP, subnetting, and other networking certification questions to help you prep for the exams. Which of the following is a Class B address? 188.8.131.52 184.108.40.206 220.127.116.11 18.104.22.168 The correct answer is 4. You can tell the class from the first octet: Class A: 1-126 Class B: 128-191 Class C: 192 and higher Related Courses TCP/IP Networking Understanding Network Fundamentals In this article CertificationCiscoNetworkingTechnologytcp/ip Join the Conversation Cancel Reply Will not be published. Website Notify me of follow-up comments by email. Notify me of new posts by email.