Tuesday, 10 February 2015

Client Server Architecture Interview Questions and answers pdf (Page 2)

Below are some important Client Server interview questions which are asked in most MNC company interviews for beginners or professionals.

6. What are Super servers in client server environment?
These are fully-loaded machines which includes multiprocessors, high-speed disk arrays for intervive I/O and fault tolerant features.

7. What is Message Oriented Middleware (MOM) in client server environment?
MOM allows general purpose messages to be exchanged in a Client/Server system using message queues. Applications communicate over networks by simply putting messages in the queues and getting messages from queues. It typically provides a very simple high level APIs to its services.
MOM's messaging and queuing allow clients and servers to communicate across a network without being linked by a private, dedicated, logical connection. The clients and server can run at different times. It is a post-office like metaphor.

8. What are the two types of OLTP in client server environment?
TP lite, based on stored procedures.
TP heavy, based on the TP monitors.

9. What is a TP Monitor in client server environment?
There is no commonly accepted definition for a TP monitor. According to Jeri Edwards' a TP Monitor is "an OS for transaction processing".
TP Monitor does mainly two things extremely well. They are Process management and Transaction management.
They were originally introduced to run classes of applications that could service hundreds and sometimes thousands of clients. TP Monitors provide an OS - on top of existing OS - that connects in real time these thousands of humans with a pool of shared server processes.

10. What are all the Base services provided by the OS in client server environment?
Task preemption
Task priority
Interprocess communications (IPC)
Local/Remote Interprocess communication
Intertask protection
High performance file system
Efficient memory management and
Dynamically linked Run-time extensions.
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