Telecom Skill Knowledge Center

  VDSL  What is Advantage and Disadvantage of VDSL ? VDSL (Very-high-bit-rate Digital Subscriber Line) internet is a high-speed internet technology that provides faster internet speeds than ADSL over existing copper telephone lines. VDSL is a development of ADSL, but with higher speeds and better performance, this technology is specifically designed for high-bandwidth applications such as video streaming, gaming and large file transfers. VDSL internet makes use of high-frequency bands to transmit digital data over traditional phone lines. The technology uses a modulation method called Discrete Multi-Tone (DMT) that splits the available bandwidth into multiple channels that can be used for both upstream and downstream traffic. This enables users to have faster download and upload speeds compared to ADSL. VDSL technology can provide speeds of up to 100 Mbps, depending on the distance between the user and the internet service provider. However, the more significant part of VDSL is that

  Propose and Build by Tekeste Geremew Associated with Google AdSense  Virtual Private Networks  Introduction    Virtual Private Network (VPN) is a private communications network widely used by several companies or organizations or within a particular company to communicate confidentially over a non-private network. VPNs are implemented with a wide range of technologies and as such can be self-implemented or managed by a service provider thus allowing the end customers to realize the cost advantages of a shared network, while enjoying its benefits of security, quality of service (QoS), reliability and manageability. A VPN uses virtual connections routed through the internet from the company’s private network to the remote site or employee. It is also worth knowing that VPN traffic can be carried over a public networking infrastructure like the internet but has to be on top of standard protocols or over a service provider’s private network with a defined service level agreement

  Propose and Build by Tekeste Geremew Associated with Google AdSense  What Are Telecommunication Skills Telecommunication involves the exchange of information through electrical or electronic means over a significant distance. It's a universal term which is used for a wide range of information transmitting technologies. In this form of communication, data is transferred using carrier waves which are a form of electrical signals. They are then modulated into digital or analog signals so that they can successfully transmit the information. It is also sometimes referred to as telecom. Telecommunication arrangement is considered to be completed when it is made up of two or more stations. These stations have both transmitter and receiver devices. A transceiver is the single co-arrangement of receivers and transmitters. Transceivers can also be used in various telecommunication stations. The most common telecommunication devices are the radio, telegraph, telephone, microwave communicati