Differences between IPv4 and IPv6

The following table summarizes the major differences between IPv4 and IPv6:


Feature IPv4 IPv6
Address length 32 bits 128 bits
Address representation 4 decimal numbers from 0-255 separated by periods 8 groups of  4 hexadecimal digits separated by colons
Address types unicast, multicast, broadcast unicast, multicast, anycast
Packet header 20 bytes long 40 bytes long, but simpler than IPv4 header
Configuration manual, DHCP manual, DHCP, auto-configuration
IPSec support optional built-in


Prerequisites for 200-301

200-301 is a single exam, consisting of about 120 questions. It covers a wide range of topics, such as routing and switching, security, wireless networking, and even some programming concepts. As with other Cisco certifications, you can take it at any of the Pearson VUE certification centers.

The recommended training program that can be taken at a Cisco academy is called Implementing and Administering Cisco Solutions (CCNA). The successful completion of a training course will get you a training badge.

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