Technical Questions asked in Vistusa

  1. 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.
  2. 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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  1. 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.
  2. 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.
  3. Herder node is used as sentinel in .....
    1. Graphs
    2. Stacks
    3. Binary tree
    4. Queues
    Answer: Option C.
  4. 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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