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Computer Networks
A computer networks can be defined as set of computer that interact among the individual computers sharing resources or information. Reference models have been establish the functions of certain layers in the network for proper performance. The followings section introduce two reference models the open system interconnection (OSI)model established by the international Organization for Standardization (ISO) and the transmission control protocol. Internet Protocol ( TCP / IP) model.
What is Network Server? Network Server is a computer in Network that is designated to give one or more network service. For instance file server, database server etc.
Q. Which steps are used at receiver end by check sum? The receiver follows these steps: The unit is divided into "k" sections each of "n" bits All sections are
802.11g OFDM a) Uses OFDM with same 2.4 GHz band b) Achieves a 54-Mbps data rate c) Works with same 802.11b equipment
In the following section, we shall discuss the algorithms for solving the matrix multiplication difficulty using the parallel models. Matrix Multiplication Problem Let ther
Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frames are 25 bytes long. Calculate the efficiency of stop-and-wait ARQ (a) Transmits a
Describe IP datagram fragmentation and MTU
Configure the Physical Topology Step 1: Cable the network. Refer to the figure and table below for the essential cables. Step 2: Physically connect lab devices. C
Firewalls After several security related internet newsgroups started overflowing with posts it becomes clear something hand to done to help secure networks. The first
Used in IP Networks to break up larger networks into slighter subnetworks. It is used to decrease network traffic, Optimized network performance, and make simpler management i.e. t
5 IGRP supports a feature that permits traffic to be distributed among up to 6 (4 default) paths to give greater allover throughput and reliability. What is this called? Ans) An
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