System and network administration it is easy and funny.
What need to know beginner
- Electronic schemes
- Computer architecture (USB, HDMI, CPU Sockets, etc)
- OSI
- TCP/IP UDP, ARP, DHCP, DNS, FTP, SSH, HTTP(S), SNMP, Telnet, WINS, e.t.c
- LAN, WAN (other)
- Network topology
- VLAN, Trunk
- Static/Dynamic IP, Mask, IPv4 Class A-E and A,B,C,
- NAT
- Hub, Switch, Routers
- Hosts: Computers, servers, printers, etc.
- Simplex, hall/full duplex
- Unicast, multicast, broadcast
- Metrics: kilo, mega, terra,
- Ethernet, MAC, Domain, Collision, RJ-45, Cable 5e, 6e, 7e, Patch cord
- Socket Port
- Routing, Gateway, Metric
- RIP
- Patch panel, Tools for RJ45
- Topology: Tire, Star, Ring, Mixed
- UTP, STP, Optic, Air
- Binary and decimal notation
- Switch (L2, L3, ...)
- VPN (PPTP, L2TP, IPSec, GRE, OpenVPN), Type of connections (client-to-site, ...)
- WiFi, Encryption, Standards
- PoE
- Media converter
- Operation Systems: Linux, Windows, versions, installation, configuration, AD, CA, e.t.c (basic)