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structure of internet servers addressstructure of an internet servers address keyed into a clients software is as below:
specifying optimisation criteria specify values to be minimized maximized or optimized you can understand it as way you normalize data in database
q show the example of internet addressthe following can be a typical person understandable address on internetvvs expertsmindusvvs is an username
define constraints constraints can be defined as preconditions input values and post conditions output values preconditions on functions are
addresses are basically for virtually everything we do on internet the ip in tcpip is a mechanism for providing addresses for computers on internet
q is tcp connection-orientedtcp is connection-oriented this means a connection is established between source and destination machines before any data
the main features of tcp are reliability tcp makes sure that any data sent by a sender arrives at destination as it was sent there cant be any data
q show the transmission control protocoltransmission control protocol tcp tcp makes internet reliable tcp solves many problems which can occur in a
q can you explain about internet protocolinternet protocol specifies the rules which define the details of how computers communicate it specifies
a communication protocol is an agreement which specifies a common language two computers use to exchange messages for instance a protocol specifies
q what is cable modemone more way of accessing internet currently being developed is use of cable modems these require that you subscribe to a cable
the most expensive method of accessing internet is to use leased lines which connect directly to the isp this will increase access rate to anywhere
whole idea of isdn is to digitize the telephone network to permit transmission of video audio and text over existing telephone lines the purpose of
q what is internet service providersnobody truly owns the internet however it is maintained by a group of volunteers interested in supporting this
before we can use internet we have to gain access to it this access is achieved in one of numerous ways above all the internet is a collection of
identifying constraints between objects in a system there are few boundaries to work on boundaries or constraints are functional dependencies among
q illustrate about packet switchingpacket switching is used to avoid long delays in transmitting data over the network packet switching is a
describe functions of data flow diagramafter you have roughly designed data flow diagram you could write a description of each function and you could
end systems are connected together by communication links there are various types of communication links which are made of numerous types of physical
q illustrate tcp - ip networking modeltcpip is an acronym for transmission control protocol internet protocol it is a collection of applications
application layer its the topmost layer in osi model which allows the user to access network this layer provides user interface for network
q what is presentation layerpresentation layer when two hosts are communicating with each other they might use different coding standards and
q show the responsibilities of session layersession layer main functions of this layer are to establish synchronize and maintain the interaction
q what are the principles of transport layertransport layer this layer is the first end-to-end layer header of transport layer includes information
q basic working of network layernetwork layer network layer is responsible for routing a packet within the subnet that is from source to destination