TECHNOLOGY

What type of network do they have?
LAN and WAN networks are both used in DELL computers. Local area networks is consists of anywhere from two to thousands of computers. As for Wide area networks are very large networks of computers.They span very large areas covering couple miles. 

What kind of interface do they use?
DELL computer uses Ethernet card as an interface. Ethernet cards are very common. Ethernet cards are kind of network adapters which support the Ethernet standard for high speed network connections via cables. Ethernet cards sometimes known as a network interface cards (NIC).

What kind of media do they use?
Wired media is an Ethernet cable having four pairs of insulated copper conductors while the wireless media is the electromagnetic field in the air between your device and the cell tower or WiFi access point. So DELL computer uses both wired and wireless media. 

What kind of communications software do they use?
Communication software is used to provide remote access to systems and exchange files and messages in text, audio and/or video formats between different computers or user IDs. DELL uses Unified Communications Software. Unified Communications (UC) is an innovative new suite of technologies that seamlessly integrate multiple mediums of communications via your existing IP-based network. 

What kind of connecting devices or components? How do they connect to the internet and at what speeds?
DELL also uses CISCO system which includes power adapters to actual voIP phones. These components are connected through a security systems router which offers IPS, firewall, VPN, URL filtering and offering the highest levels of performance, security and scalability. 

Do they use Voice over IP? 
Voice over IP is an ability to make telephone calls and send faxes over IP-based data networks with a suitable quality of service (QoS) and superior cost-benefit. DELL offers voice over IP through CISCO and Nortel Networks for all small business. 

How do they apply the four principles of network security?
CISCO and Nortel Networks use the four principles of network security which are confidentially, authenticity, integrity and availability. network security means, information is accessible to authorized companies only. 

What is their domain name?
Their domain name is Dell.com