IBPS/SBI Specialist IT Officer 2016-2017 – Professional Knowledge Quiz – Set 5

Hello and welcome to exampundit . Here is the fifth Set of IBPS/SBI Specialist IT Officer Professional Knowledge Quiz.

1. In database, we use which command, to discard all pending data changes?
1) Commit 
2) Rollback
3) Savepoint 
4) Lock
5) None of these
2. Which structure indicates many-to many relation?
1) Relational database
2) Network database
3) Hierarchy structure
4) Chain
5) None of these
3. Address of the first element of an array is called
1) First address 
2) Location address
3) Initial address 
4) Base address
5) None of these
4. Point to Point Protocol (PPP) is used for which purpose(s) ?
1) Error detection
2) Authentication
3) Both (1) and (2)
4) Either (1) or (2)
5) None of these
5. To overcome the difficulties of race around conditions which of the following flip-flop, is used?
1) JK flip-flop 
2) SR flip-flop
3) D flip-flop 
4) Master-slave flip-flop
5) None of these
6. Only the process executing the critical section is allowed access to the shared variable, all other processes should be prevented from doing so until the completion of the critical section. This is often referred to as
1) Semaphores
2) Deadlock
3) Mutual exclusion
4) Interprocess communication
5) None of these
7. Piggy backing is a technique for
1) Flow control
2) Acknowledgement
3) Sequence
4) Instructions
5) None of these
8. How much bits addition is used by Full adder?
1) 2 
2) 3
3) 4 
4) Unlimited
5) None of these 
9. Prefix to postfix is possible in which data structure?
1) Stack 
2) Queue
3) Link list 
4) Tree
5) None of these
10. A solution to the problem where the source and destination hosts are on the same type of network, but there is a different network in between is called
1) Data link 
2) Packet
3) Tunnelling 
4) Hopping
5) None of these

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