MCQOPTIONS
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MCQOPTIONS
This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Rdbms knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the factors need not be taken into consideration while choosing a RAID level? |
| A. | Monetary cost |
| B. | I/O requirements |
| C. | Performance when the disk has failed |
| D. | None of the mentioned |
| Answer» E. | |
| 2. |
RAID level 5 refers to? |
| A. | Disk arrays with striping at the level of blocks |
| B. | Disk mirroring with block striping |
| C. | Memory style error correcting code |
| D. | Block interleaved distributed parity |
| Answer» E. | |
| 3. |
RAID level 2 refers to? |
| A. | Disk arrays with striping at the level of blocks |
| B. | Disk mirroring with block striping |
| C. | Memory style error correcting code |
| D. | Block interleaved distributed parity |
| Answer» D. Block interleaved distributed parity | |
| 4. |
RAID level 1 refers to? |
| A. | Disk arrays with striping at the level of blocks |
| B. | Disk mirroring with block striping |
| C. | Memory style error correcting code |
| D. | Block interleaved distributed parity |
| Answer» C. Memory style error correcting code | |
| 5. |
WHICH_OF_THE_FACTORS_NEED_NOT_BE_TAKEN_INTO_CONSIDERATION_WHILE_CHOOSING_A_RAID_LEVEL??$ |
| A. | Monetary cost |
| B. | I/O requirements |
| C. | Performance when the disk has failed |
| D. | None of the mentioned |
| Answer» E. | |
| 6. |
____________IS_POPULAR_FOR_APPLICATIONS_SUCH_AS_STORAGE_OF_LOG_FILES_IN_A_DATABASE_SYSTEM_SINCE_IT_OFFERS_THE_BEST_WRITE_PERFORMANCE.?$ |
| A. | RAID level 1 |
| B. | RAID level 2 |
| C. | RAID level 0 |
| D. | RAID level 3 |
| Answer» B. RAID level 2 | |
| 7. |
_______________which_increases_the_number_of_I/O_operations_needed_to_write_a_single_logical_block,_pays_a_significant_time_penalty_in_terms_of_write_performance.$ |
| A. | RAID level 1 |
| B. | RAID level 2 |
| C. | RAID level 5 |
| D. | RAID level 3 |
| Answer» B. RAID level 2 | |
| 8. |
Hardware RAID implementations permit _________ that is, faulty disks can be removed and replaced by new ones without turning power off? |
| A. | Scrapping |
| B. | Swapping |
| C. | Hot swapping |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 9. |
______________ partitions data and parity among all N+1 disks, instead of storing data in N-disks and parity in one disk. |
| A. | Block interleaved parity |
| B. | Block interleaved distributed parity |
| C. | Bit parity |
| D. | Bit interleaved parity |
| Answer» C. Bit parity | |
| 10. |
RAID level 0 refers to? |
| A. | Disk arrays with striping at the level of blocks |
| B. | Disk mirroring with block striping |
| C. | Memory style error correcting code |
| D. | Block interleaved distributed parity |
| Answer» B. Disk mirroring with block striping | |
| 11. |
The RAID level which mirroring is done along with stripping is |
| A. | RAID 1+0 |
| B. | RAID 0 |
| C. | RAID 2 |
| D. | Both RAID 1+0 and RAID 0 |
| Answer» E. | |
| 12. |
How many levels of RAID exist? |
| A. | 5 |
| B. | 6 |
| C. | 7 |
| D. | 8 |
| Answer» D. 8 | |
| 13. |
Which one of the following is a Stripping technique? |
| A. | Byte level stripping |
| B. | Raid level stripping |
| C. | Disk level stripping |
| D. | Block level stripping |
| Answer» E. | |
| 14. |
Data striping by splitting bits across multiple disks is called as _______ |
| A. | RAID striping |
| B. | Array striping |
| C. | Bit level striping |
| D. | Block level striping |
| Answer» D. Block level striping | |
| 15. |
With multiple disks, we can improve the transfer rate as well by ___________ data across multiple disks. |
| A. | Striping |
| B. | Dividing |
| C. | Mirroring |
| D. | Dividing |
| Answer» B. Dividing | |
| 16. |
State true or false: Using RAID increases the mean time to failure |
| A. | True |
| B. | False |
| Answer» B. False | |
| 17. |
Optical disk technology uses |
| A. | Helical scanning |
| B. | DAT |
| C. | A laser beam |
| D. | RAID |
| Answer» E. | |
| 18. |
The process of duplicating every disk is called _______ |
| A. | Incremention |
| B. | Arraying |
| C. | Mirroring |
| D. | Reflecting |
| Answer» D. Reflecting | |
| 19. |
What is the full form of RAID? |
| A. | Redundant Array of Independent Disks |
| B. | Reliable Array of Independent Disks |
| C. | Redundant Asset Increment Data |
| D. | Reliable Aggravation of Immaculate Data |
| Answer» B. Reliable Array of Independent Disks | |