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two broad classes of middleware area general middlewareb service-specific
dlci- data link connection identifier a frame-relay service provider usually assigns dlci values that are used by frame-relay to distinguish among
groupware addresses the management of semi-structured information like text image mail bulletin boards and the flow of work these clientserver
what is meant by horizontal scaling and vertical scalingans horizontal scaling means adding or removing client workstations with only a small
if the amount of the application runs on the client side then it is fat clients it is mostly used for decision support and personal softwareif the
what utility can you use to see the path a packet takes through an internetworkans trace - uses time-to-live ttl values to make messages from each
if the number of incoming clients invokes exceeds the number of processes in a server class the tp monitor might be dynamically start new ones and
in 3-tier clientserver systems the application logic or process lives in the middle tier and it is removed from the data and the user interface in
it imposes hierarchy and a division of labor between processors only one designated processor the master controls in a tightly coupled arrangement
in the transaction server the client component usually consists of gui and the server components usually having of sql transactions against a
at the physical layer of the osi model repeaters work by regenerating the signal to extend the distance it can
it consists of the communication stacks distributed directories authentication services network time rpc queuing services along with the network os
it treats all processors as equivalent any processor can do the work of any other processor applications are separated into threads that can run
what are the functions of the typical server programans it waits for client-initiated requests implements many requests at the similar time takes
middleware is distributed software required to support interaction among clients and servers in short it is the software that is in the middle of the
what is message oriented middleware momans mom permits general purpose messages to be exchanged in a clientserver system using message queues
which of the following protocols are used for logical network addressingans internet protocol - ip gives routing and a one interface to the upper
hold-down timers - routers ignore network update information for a number of
which layer is responsible for negotiating data transfer syntaxans the presentation layer does the following manages data representation conversions
distance vector-based routing algorithms also called as bellman-ford algorithms pass periodic copies of a routing table from router to router regular
rpc adumbrates the intricacies of the network by using the ordinary procedure call mechanism familiar to each programmer a client process calls a
split horizon - if you attain a protocols route on an interface do not send information about that route back out that
the client side building block moves towards the client side of the applicationthe server side building block moves towards the server side of the
there are three building blocks of clientservera the client b the server and c
the grouped sql statements are known as transactions or a transaction is a collection of actions embused with acid