Server Administration Archives - Telecom Academy
Understanding the Internet, intranets, and extranets
Understanding the Internet, intranets, and extranets

The next thing we want to discuss is Internet, Intranets, and Extranets. Internet The Internet is a worldwide publically accessible infrastructure of cables, routers, switches, and servers. One thing to keep in mind about the Internet is that the Internet is not the Worldwide Web. Many people will use Internet and Worldwide Web interchangeably, but […]

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Client server and peer-to-peer connections
Client server and peer-to-peer connections

Now that we’ve looked at topologies, the next topic I want to look at is network management models. There are basically two network management models that are available for a local area network. One is Peer-to-peer model and other client server model. Peer-to-Peer Network Management Model One of those is the Peer-to-Peer Network Management Model. In […]

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Dynamic Host Configuration Protocol (DHCP) & Configure DHCP
Dynamic Host Configuration Protocol (DHCP) & Configure DHCP

Dynamic Host Configuration Protocol (DHCP) Dynamic Host Configuration Protocol (DHCP) is the defacto system for automatically assigning IP addresses to hosts. When a client wants to request an IP, it broadcasts a discovery packet to UDP port 67. When a DHCP server responds to the DHCP discovery packet, it will sent the client a DHCP […]

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What is RDP (Remote Desktop Protocol) & How RDP works
What is RDP (Remote Desktop Protocol) & How RDP works

Remote desktop protocol (RDP) Remote desktop protocol (RDP) was developed by Microsoft to provide a graphical terminal for remotely connected clients. This functionality is also known as terminal server or terminal services. It listens for connections on TCP port 3389. In essence, RDP allows a client to connect to a server through a software interface. […]

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Understand Email Protocols – POP3, SMTP and IMAP
Understand Email Protocols - POP3, SMTP and IMAP

Email Protocols Email Protocols is an essential part of virtually every organization. Let’s first discuss mail retrieval protocols, POP3 and IMAP, Then cover mail transmission with SMTP. POP3 In Email protocols The Post Office Protocol is a legacy email retrieval system. The most current version is 3, which is why it is most often referred to as POP3. A POP3 server listens […]

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VoIP: SIP, MGCP, RTP, H.323
VoIP: SIP, MGCP, RTP, H.323

VoIP Voice over Internet Protocol (VoIP) is a method to carry voice traffic digitally over a network. Initial providers release services that emulate the traditional phone systems, changing out analog lines for digital. More recently, call services like Skype have started offering new alternatives.Session Initiation Protocol is a signaling and control protocol for communications. It is most commonly used for voice and video […]

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What is SSH? How to configure SSH?
What is SSH - How to configure SSH

What is SSH? SSH, or Secure SHell, is a protocol for connecting from one computer to another, usually in order to use the Command-line interface, or Command Shell on a remote system. It’s very widely for system administration such as software update, configuration management, and deployment on Linux and Mac OS X machines. you may also like:   What is telnet? Usage […]

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