Technical Questions asked in Vistusa

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Which of the following is private IP address?
1. 12.0.0.1
2. 168.172.19.39
3. 172.15.14.36
4. 192.168.24.43
Answer: Option D.
How non clustered index point to the data?
1. It never points to anything
2. It points to a data row
3. It is used for pointing data rows containing key values
4. None of the mentioned
Answer: Option C.

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Which of the following data structure can't store the non-homogeneous data elements?
1. Arrays
2. Records
3. Pointers
4. Stacks
Answer: Option A.
What type of join is needed when you wish to include rows that do not have matching values?
1. Equi-join
2. Natural join
3. Outer join
4. All of the mentioned
Answer: Option C.
Herder node is used as sentinel in .....
1. Graphs
2. Stacks
3. Binary tree
4. Queues
Answer: Option C.
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What will be output of following program?
#include
int main(){
int i = 3;
int *j;
int **k;
j=&i;
k=&j;
printf ("%u %u %d ",k,*k,**k);
return 0;
}
1. Address, Address, 3
2. Address, 3, 3
3. 3, 3, 3
4. Compilation error
Answer: Option A.

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