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What are the value added services
Many organisations are demanding higher services (also called value added services) such as faxing, minimal cost call routing, connectivity to the corporate EPABX, chatting, video conferencing, IP telephony, etc. These value added services, though seeming costly in the first instance, make for a reduction in recurring expenditure of communication costs while enhancing productivity. Installation of such services requires a one time high budget. The companies are realising that videoconferencing over an Intranet can offer a highly cost-effective alternative to many face-to-face meetings, especially where the members or decision makers are located at far off places.
Explain about the Switches LAN switches are an expansion of the method in LAN bridging, which controls data flow, handles transmission errors, gives physical addressing, and ma
We use IDSN supports high speed voice, data and video and is a good choice for many small businesses.
Routers The network layer (also called layer3) manages device addressing tracks the location of devices on the network and determines the best way to move data. Which
Discuss the interdependence of networking hardware and software. Is it possible to have one without the other? Explain
Q. Flow control in TCP? The amount of data a source is able to send before receiving an ACK from the destination Whether to send 1 byte of data as well as wait for ACK
Define DNS?
Define Decoder? A device or program that translates encoded data into its original format (e.g. it decodes the data). The term is often used in reference to MPEG-2 video and so
Network Allocation Vector Timer which shows how much time must pass before a station is allowed to check the channel
5. CSMA/CD based Ethernet LANs in various sites and Frame Relay (FR) service to connect them together. You want to make a difference in the organization by upgrading the LANs to be
Gateway A gateway is an internetwork device which joins different network protocols together. It woods on all seven layers of OSI model. Gateways are also known as pro
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