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Cisco Placement Paper 13

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1.In the command scanf, h is used for

Ans. Short int


2.A process is defined as

Ans. Program in execution


3.A thread is

Ans. Detachable unit of executable code)


4.What is the advantage of Win NT over Win 95

Ans. Robust and secure

5.How is memory management done in Win95

Ans. Through paging and segmentation


6.What is meant by polymorphism

Ans. Redfinition of a base class method in a derived class


7.What is the essential feature of inheritance

Ans. All properties of existing class are derived


8.What does the protocol FTP do

Ans. Transfer a file b/w stations with user authentification


9.In the transport layer ,TCP is what type of protocol

Ans. Connection oriented


10.Why is a gateway used

Ans. To connect incompatible networks


11.How is linked list implemented

Ans. By referential structures

12.What method is used in Win95 in multitasking

Ans. Non preemptive check

13.What is meant by functional dependency


14.What is a semaphore

Ans. A method synchronization of multiple processes


15.What is the precedence order from high to low ,of the symbols ( ) ++ /

Ans.( ) , ++, /


16.Preorder of A*(B+C)/D-G

Ans.*+ABC/-DG

18. B-tree (failure nodes at same level)


19. Dense index (index record appers for every search -key in file)


20.What is the efficiency of merge sort

Ans. O(n log n)

 

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