Computing and tech
The little network
Wire up hosts, a switch and a router, give them addresses, then send a ping and follow every frame. A wrong mask or a TTL down to zero, and you see exactly where the packet gets lost.
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What leads here.
The decks that help you review what you handle here, and the learning path it belongs to.
The learning pathMaking machines talkIts decks come in the right order, step by step, up to the badge.
The decks
- The OSI and TCP/IP models
- Encapsulation
- Ethernet, MAC addresses and frames
- Switching
- Wi-Fi
- ARP
- Network devices
- Transmission media
- IPv4, masks and CIDR
- Subnetting
- IP addresses, ports and NAT
- IP and routing
- DHCP and joining a network
- IPv6: addresses
- TCP or UDP
- Network ports to know
- The client-server model
- DNS
- HTTP
- E-mail: SMTP, IMAP, SPF, DKIM and DMARC
- FTP and SFTP
- SSH: keys and tunnels
- File shares: NFS and SMB
- Network diagnostic commands
- Setting up a host on the network
- Installing a network service
In the same subject.
Under the lens
Frames opened down to the byte
The self-healing network
Costs, failures and reconvergence
The organisation's directory
An organisation's directory, entry by entry
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