With the development and wide application of computer technology, storage technology has been obtained Professionals in the industry and various application fields attach importance to it. The rapid growth of data volume raises new problems and requirements for the development of enterprises Host type data access and protection, etc. All of these call for theRead More
Tag: CCNA Training
WHAT IS VLAN?
A VLAN (Virtual Local Area Network) is a logical collection of devices such as workstations, servers and network devices that are grouped together in the manner such that they appear to be on the same LAN despite their geographical distribution. VLANs can be locally significant or be trunked over multiple layer 2 devices. VLANs areRead More
What is Boot sequence of router?
Unless you happen to be really savvy about the inner and outer workings of all your car’s systems and its machinery and how all of that technology works together, you’ll take it to someone who does know how to keep it maintained, figure out what’s wrong when it stops running, and get it up andRead More
What Is Frame Relay?
Frame relay is layer 2 protocol, which is used to connect LANs i.e. Local Area Networks and transfer data across WAN i.e. Wide Area Network. It shares data over the WAN using X.25 technology. How it works? Frame Relay uses the special purpose hardware components including frame routers, bridges & switches which are used toRead More
What Are OSPF Areas and Virtual Links?
Introduction OSPF is an open standard link state protocol which uses Dijkstra algorithm. It is a classless routing protocol, supports VSLM and discontinuous networks by sending subnet mask information as part of a route advertisement. Its administrative distance value is 110. Its hop count is unlimited. It supports only equal cost load balancing. It providesRead More