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Network  Technologies

Network Technologies: Fundamentals and Best Practices



A network administrator is an IT expert who manages an organization's network. A network administrator is responsible for keeping a company’s computer network running seamlessly and up-to-the-minute. Network administrators play an essential role in any organization’s IT department. They keep everything running smoothly and securely with little to no downtime.

A Network Administrator has many duties and responsibilities specific to their job. These might change based on the needs of their company. 



Key topics include:

  • Computer network, structure, types and topologies
  • OSI model
  • Computer network working principles – channel and packet commutation
  • Physical Layer environment - UTP (STP, FTP), Fiber Optical, Wireless
  • Ethernet network, CSMA/CD working principles
  • Network devices working principles and differences (Network Cards, Repeater, Hub, Switch)
  • VLAN technology working principles
  • NETBIOS/NETBEUI, IPX/SPX, TCP/IP protocols description and general works and differences
  • Digital systems compares (Boolean, octal, decimal and hexadecimal)
  • TCP/IP protocol addressing system; (A, B, C, D, E) Classes
  • TCP/IP protocol addressing system; Public and Private addresses
  • Network Mask, Network and subnetwork creating principals
  • Network ID, Network Broadcast definitions in IP networks
  • IP Routing; Routers working principals
  • IP packet forwarding: within internal network, to outside network
  • IP routing table; Dynamic routing protocols (RIP, OSPF, BGP)
  • TCP - Transmission Control Protocol, UDP - User Datagram Protocol - Protocols descriptions, differences, working principals
  • Port description in TCP/IP networks
  • ICMP Protocol: Ping, Traceroute (Tracert: Windows) tools
  • DNS – structure and working principals
  • DNS – structure and working principals - Dynamic DNS Description
  • Nslookup software working principals
  • DHCP (Server, Client) system; working principal
  • Mainframe/Supercomputer/Cluster/Grid/Cloud systems working principals
  • Telnet/SSH/RDP Protocols, Virtual Terminal։ The protocols working principals
  • FTP/FTPS/SFTP protocols description, working principals; Proxy Server description, working principals
  • SMTP, POP, IMAP protocols working principals
  • HTTP – protocols working principals
  • Firewall system; working principals, Firewalling by IP address, Domain name, Port and Protocol parameters
  • VPN  - description and working principals
  • NAT, PAT systems; working principals


Training start day: 2024

Training duration: 32 hours / 16 days (2 months)

Training fee: 99 000 AMD (including VAT )

Network Technologies



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