📖 What is Internet Protocol version 4 (IPv4) Address?
A 32-bit numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.
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Sensei Says:
"You must master subnetting for the CCNA! Memorize the powers of 2 and common subnet masks. Remember that the host portion cannot be all 0s (network address) or all 1s (broadcast address)."
📚 Certification: Certified Network Associate (200-301)
🔑 What are the Key Concepts of Internet Protocol version 4 (IPv4) Address?
- ▸ 32-bit address space represented in dotted-decimal notation.
- ▸ Subnetting and Classless Inter-Domain Routing (CIDR).
- ▸ Public vs. private address spaces (RFC 1918).
🎯 How does Internet Protocol version 4 (IPv4) Address appear on the 200-301 Exam?
Calculate the network address, broadcast address, and valid host range for a given IP and subnet mask.
Identify whether an IP address is public or private.
❓ Frequently Asked Questions
How many addresses are in IPv4?
Approximately 4.3 billion (2^32), though many are reserved.
What is the purpose of a subnet mask?
It determines which part of the IP address represents the network and which part represents the host.
Related Terms from Certified Network Associate
Dynamic ARP Inspection (DAI)
Open Shortest Path First version 2 (OSPFv2)
EtherChannel
VLAN (Virtual Local Area Network)
Standard ACL
Syslog