Interview Questions.

Question 1. What Is An Object Server In Client Server Environment?

Answer :

With an item server, the Client/Server utility is written as a fixed of speaking objects. Client item talk with server items the usage of an Object Request Broker (ORB). The customer invokes a technique on a far off item. The ORB locates an example of that object server elegance, invokes the requested method and returns the outcomes to the customer item. Server gadgets have to offer assist for concurrency and sharing. The ORB brings it all collectively.

Question 2. What Are The Two Broad Classes Of Middleware In Client Server Environment?

Answer :

General middleware
Service-particular middleware.
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Question 3. What Is Structured Query Language (sq.)?

Answer :

SQL is a effective set-orientated language which turned into evolved by way of IBM studies for the databases that adhere to the relational version. It consists of a short listing of effective, yet surprisingly bendy, commands that can be used to control records amassed in tables. Through SQL, we can control and control sets of statistics at a time.

Question four. What Are General Middleware In Client Server Environment?

Answer :

It includes the verbal exchange stacks, disbursed directories, authentication services, network time, RPC, Queuing offerings at the side of the community OS extensions including the disbursed record and print offerings.

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Question five. What Are The Five Major Technologies That Can Be Used To Create Client/server Applications In Client Server Environment?

Answer :

Database Servers
TP Monitors
Groupware
Distributed Objects
Intranets.
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Question 6. What Is Oltp In Client Server Environment?

Answer :

In the transaction server, the consumer element generally consists of GUI and the server additives normally includes SQL transactions in opposition to a database. These programs are referred to as OLTP (Online Transaction Processing) OLTP Applications commonly,

Receive a set set of inputs from remote customers.
Perform more than one pre-compiled SQL remarks in opposition to a neighborhood database.
Commit the work and
Return a fixed set of results.
Question 7. What Is A Transaction Server In Client Server Environment?

Answer :

With a transaction server, the patron invokes faraway methods that reside at the server with an SQL database engine. These faraway approaches on the server execute a set of SQL statements. The network trade consists of a unmarried request/reply message. The SQL statements both all succeed or fail as a unit.

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Question eight. What Are All The Base Services Provided By The Os In Client Server Environment?

Answer :

Task preemption
Task precedence
Semaphores
Interprocess communications (IPC)
Local/Remote Interprocess communique
Threads
Intertask protection
Multiuser
High performance report system
Efficient memory management and
Dynamically related Run-time extensions.
Question nine. What Is A Tp Monitor In Client Server Environment?

Answer :

There isn't any normally frequent definition for a TP reveal. According to Jeri Edwards' a TP Monitor is "an OS for transaction processing".
TP Monitor does specially  things extraordinarily nicely. They are Process control and Transaction control.
They were initially added to run instructions of programs that could service loads and once in a while thousands of clients. TP Monitors provide an OS - on pinnacle of existing OS - that connects in real time those heaps of humans with a pool of shared server tactics.
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Question 10. What Are The Two Types Of Oltp In Client Server Environment?

Answer :

TP lite, based on stored techniques.
TP heavy, based totally on the TP monitors.
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Question 11. What Is Message Oriented Middleware (mother) In Client Server Environment?

Answer :

MOM allows wellknown cause messages to be exchanged in a Client/Server system the usage of message queues. Applications communicate over networks via in reality setting messages within the queues and getting messages from queues. It usually presents a completely easy high stage APIs to its offerings.

MOM's messaging and queuing permit clients and servers to talk across a community with out being connected by means of a personal, dedicated, logical connection. The clients and server can run at unique instances. It is a publish-office like metaphor.

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Question 12. What Are Super Servers In Client Server Environment?

Answer :

These are completely-loaded machines which incorporates multiprocessors, high-pace disk arrays for intervive I/O and fault tolerant capabilities.

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Question thirteen. What Is A Database Server In Client Server Environment?

Answer :

With a database server, the client passes SQL requests as messages to the database server. The results of each SQL command are lower back over the network. The server makes use of its own processing strength to locate the request records in place of passing all of the statistics again to the consumer and then getting it find its own information. The result is a much extra efficient use of dispensed processing power. It is also referred to as SQL engine.

Question 14. What Is A Web Server In Client Server Environment?

Answer :

This new model of Client/Server includes skinny, protable, "widespread" clients that speak to superfat servers. In the simplet shape, an internet server returns documents whilst clients ask for them by using name. The customers and server speak using an RPC-like protocol referred to as HTTP.

Question 15. What Is Meant By Transparency In Client Server Environment?

Answer :

Transparency surely way hiding the community and its servers from the users and even the software programmers.

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Question sixteen. What Is Meant By 2-tier Architecture In Client Server Environment?

Answer :

In 2-tier Client/Server structures, the software common sense is either burried within the user interface at the patron or inside the database at the server.

Example: File servers and Database servers with saved methods.

Question 17. What Is Acid Property In Client Server Environment?

Answer :

ACID is a term coined by means of Andrew Reuter in 1983, which stands for Atomicity, Consistence, Isolation and Durability.

ACID property is the basic property for transaction processing:

A - atomicity
C - consistency
I - isolation
D - sturdiness
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