LAN - WAN

The IEEE 802.3 standard is introduced to ensure consistency of operation between Ethernet devices. But it is awful that each place has a way of understanding, how to translate

DNS (Domain Name System) is a distributed database system used to map between domain names and IP addresses. DNS offers a special method to maintain and link these mappings in a

As we know at the Network layer of the OSI model, we often use conventional types of addresses such as IP, IPX ... These addresses are divided into two separate parts: the network

You can design for yourself a simple wireless network, to share Internet access, files, printers ... You can surf the Net while you are in the yard, or in the garden ... To set up

Similar to the convergence of fixed networks in the direction of NGN, mobile technologies are also in the process of converging to meet mobile customer requirements for bandwidth

The dial-up dial-up connection has become too slow, with a theoretical speed of 56 kps but the reality is much lower. Currently, with ADSL technology, Net shops grow like

For a network administrator, a very important operation is to control the traffic that runs on your network. However, because the number of packets on the network is very large,

Despite legal disputes in the field of online music copyright, peer-to-peer (P2P) technology still has many undeniable practical values. P2P technology has been used by millions

Gone are the days when employers handed employees mobile phones for mobile communication and laptops for Internet access via the telephone network. Now the user is in front of too

The UWB (Ultra-Wideband Wireless) wireless technology promises to replace not only IrDA and Bluetooth technology, but also a wireless revolution in the home. Like other mainstream

Wireless networks are growing in terms of 'faster, farther' criteria. However, if you are dissatisfied with the wireless coverage, data transfer rate or want to take advantage of

Wireless networking is one of the biggest advances in the computer industry. Last year, tens of millions of Wi-Fi devices were consumed and it is expected that this year there

Have you ever asked yourself questions like virtual LAN or VLAN? When and why do you need a VLAN?

Wireless network (Wireless Local Area Network) is the preferred wireless network system by providing high-speed data transmission, with long distances without worrying about wires,

As an employee of a company with Cisco's large, multi-switch network, every time I see the Switch's flashing lights like a music player's light, they look attractive and

Up to now, Windows is still an operating system (OS) that is easy to use and install but not so other operating systems such as OS X (running on Macintosh) or Linux fall into a

DSL stands for Digital Subscriber Line, a name that does not say anything about an existing technology. The D (digital) is historically significant because the origin of DSL is

CSU / DSU (Channel Service Unit / Data Service Unit) is a hardware device of the same size as an external modem, it is capable of converting the data frames used in the LAN to a

PPP is built on the High-Level Data link Control (HDLC) platform, which defines the standards for data transmission of DTE and DCE interfaces of WANs such as V. 35, T1, E1, HSSI,

There are many different VLAN types: VLAN 1 / Default VLAN / User VLAN / Native VLAN / Management VLAN. By default, all Cisco switch Ethernet interfaces are in VLAN 1. Therefore,