MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The data type BLOB stands for: |
| A. | Binary Large Object |
| B. | Big List Object |
| C. | Binary List Object |
| D. | None of the above |
| Answer» B. Big List Object | |
| 2. |
Which of the following is used to delete an entire MYSQL database? |
| A. | drop entiredb dbname |
| B. | drop database dbname |
| C. | drop db dbname |
| D. | drop dbase dbname |
| Answer» C. drop db dbname | |
| 3. |
In PHP 5, how can you write a class so that some of its properties cannot be accessed from outside its methods? |
| A. | By declaring the class as private |
| B. | By declaring the property as private |
| C. | It cannot be done |
| D. | By writing a property overloading method |
| Answer» C. It cannot be done | |
| 4. |
Which object-oriented pattern would you use to implement a class that must be instantiated only once for the entire lifespan of a script? |
| A. | Model-view-controller |
| B. | Abstract factory |
| C. | Singleton |
| D. | Proxy |
| Answer» D. Proxy | |
| 5. |
Array values are keyed by ______ values (called indexed arrays) or using ______ values (called associative arrays). |
| A. | Float, string |
| B. | Even number, string |
| C. | String, Boolean |
| D. | Integer, string |
| Answer» E. | |
| 6. |
_______ function is used to sort an array in ascending order by value while preserving key associations. |
| A. | ksort() |
| B. | asort() |
| C. | krsort() |
| D. | usort() |
| Answer» C. krsort() | |
| 7. |
What is the name of function used to convert an array into a string? |
| A. | explode() |
| B. | glue() |
| C. | implode() |
| D. | None of the above |
| Answer» D. None of the above | |
| 8. |
Which is an invalid name of identifier? |
| A. | world |
| B. | addition23 |
| C. | test-name |
| D. | factorial |
| Answer» D. factorial | |
| 9. |
The resistance of conductor is R. If the conductor length gets doubled and cross section is reduced by half a times then the resistance of conductor is |
| A. | R remains same |
| B. | R gets reduced by 2 |
| C. | R increases by 2 |
| D. | R increases by 4 |
| Answer» E. | |
| 10. |
In dc motor the motion of conductor is given by |
| A. | Flemmings right hand rule |
| B. | Flemings left hand rule |
| C. | Cork screw rule |
| Answer» C. Cork screw rule | |