Chapter 12 Study Guide
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Network Configuration
Networks
Be sure to have a basic understanding of local area networks and wide area networks, and their components.
IPv4
- Consists of four octets. Each octet represents an 8-bit binary number(0-255). Ex: 192.168.1.1
- 32 bit address(4 octets = 4 x 8 = 32)
- Subnet mask is used to determine the host portion of the IP address.
- Default Gateway directs traffic destined to other networks(LANs). Ex: to the internet.
IPv6
- Uses 128 bits. Capable of supplementing 340 trillion trillion trillion IP addresses.
- No subnetting required due to an abundance of address space.
- First half of address represents your network. Second half uniquely identifies computers on the LAN(link local).