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Explain the term - global corporate-wide network
It would be highly interesting to note that more than 70 per cent of all security related problems start from within the organisation. Thus, for example, all the branch offices of a big company should have separate servers each protected behind a firewall, while still allowing the users of all branch offices to remain well connected and form an integral part of the global corporate-wide network.
Large data packets result in fewer load because a smaller part of the packet is used for header information. Optimum networks use 4kB data packets or larger. Large data packets
What is CRC and Checksum CRC (Cyclic redudancy check) CRC, is the most powerful of the redundancy checking methods, is based on binary division. Checksum Checksum
Question 1 Explain the process of Components Identification and call establishment Question 2 Discuss on Basic services in GSM Question 3 Explain the Protocols Use
What is TCP/IP TCP/IP is short for Transmission Control Protocol / Internet Protocol. This is a set of protocol layers that is intended to make data exchange possible on dissim
Q. Show the Traffic profiles? Constant-bit-rate traffic - ADR=PDR No MBS Variable-bit-rate traffic ADR != PDR Small MBS Bursty traffic
Repeaters - Operate only in physical layer - Connects two segments of the same LAN - Both segments must be of the same protocol - Only forwards frames; does not filter
a) Consider that a host is sending a frame of 1200 bytes to another host found 20 Kilometers away. (Assume that switching delay is negligible) i) Calculate the total latency (
Q. Diffrence between Network vs Internet Layers? - Similar to all the other OSI Layers the network layer provides both connectionless and connection-oriented services. From th
Ethernet Frame Format Consists of seven fields There is No mechanism for acknowledging received frames considered an unreliable medium
Determine the uses of firewalls The firewalls available today do all the things, viz., like filter the data packets, provide proxy services and do stateful inspection of packet
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