MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Virtusa knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
By default, PHP stores session data in ______________. |
| A. | The filesystem |
| B. | A database |
| C. | Virtual memory |
| D. | Shared memory |
| Answer» B. A database | |
| 2. |
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; } |
| A. | Address, Address, 3 |
| B. | Address, 3, 3 |
| C. | 3, 3, 3 |
| D. | Compilation error |
| Answer» B. Address, 3, 3 | |
| 3. |
Herder node is used as sentinel in ..... |
| A. | Graphs |
| B. | Stacks |
| C. | Binary tree |
| D. | Queues |
| Answer» D. Queues | |
| 4. |
What type of join is needed when you wish to include rows that do not have matching values? |
| A. | Equi-join |
| B. | Natural join |
| C. | Outer join |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 5. |
Which of the following data structure can't store the non-homogeneous data elements? |
| A. | Arrays |
| B. | Records |
| C. | Pointers |
| D. | Stacks |
| Answer» B. Records | |
| 6. |
How non clustered index point to the data? |
| A. | It never points to anything |
| B. | It points to a data row |
| C. | It is used for pointing data rows containing key values |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |