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IP Addresses
How many IP addresses we can give to a system that having windows xp professional ? and why ?
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Access a File on Another Computer
A person would like to access a file on another computer (connected via LAN) while working with safe mode. What should he do?
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Network Delay
User(s) are complaining of delays when using the network. What would you do?
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What is meant by Transparency?
Transparency really means hiding the network and its servers from the users and even the application programmers.
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What is meant by 3-Tier architecture?
In 3-tier Client/Server systems, the application logic (or process) lives in the middle tier and it is separated from the data and the user interface. In theory, the 3-tier Client/Server systems are more scalable, robust and flexible.Example: TP monitor, Web.
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What is meant by 2-Tier architecture?
In 2-tier Client/Server systems, the application logic is either burried inside the user interface on the client or within the database on the server.Example: File servers and Database servers with stored procedures.
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What are the two broad classes of middleware?
General middlewareService-specific middleware
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What is meant by Middleware?
Middleware is a distributed software needed to support interaction between clients and servers. In short, it is the software that is in the middle of the Client/Server systems and it acts as a bridge between the clients and servers. It starts with the API set on the client side that is used to invoke a service and it covers the transmission of the request over the network and the resulting response.It...
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What is a Web server?
This new model of Client/Server consists of thin, protable, "universal" clients that talk to superfat servers. In the simplet form, a web server returns documents when clients ask for them by name. The clients and server communicate using an RPC-like protocol called HTTP.
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What is a Database Server?
With a database server, the client passes SQL requests as messages to the database server. The results of each SQL command are returned over the network. The server uses its own processing power to find the request data instead of passing all the records back to the client and then getting it find its own data. The result is a much more efficient use of distributed processing power. It is also known...
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What is Groupware server?
Groupware addresses the management of semi-structured information such as text, image, mail, bulletin boards and the flow of work. These Client/Server systems have people in direct contact with other people.
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What are the characteristics of Client/Server?
ServiceShared resourcesAsymmentrical protocolsTransparency of locationMix-and-matchMessage based exchangesEncapsulation of servicesScalabilityIntegrityClient/Server computing is the ultimate "Open platform". It gives the freedom to mix-and-match components of almost any level. Clients and servers are loosely coupled systems that interact through a message-passing mechanism.