Cisco CCNA Service Provider Question of the Week By Johnny Bass August 8, 2013 How many bits are in an IPv4 address? 64 bits 24 bits 32 bits 48 bits 128 bits The correct answer is 3. IPv4 addressing has 32 bits. Related Courses: SPNGN1 – Building Cisco Service Provider Next-Generation Networks, Part 1 SPNGN2 – Building Cisco Service Provider Next-Generation Networks, Part 2 In this article CCNACertificationCiscoccna exam prepCertificationCisco Join the Conversation Cancel Reply Will not be published.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.