MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your LVM knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
VGDA represents |
| A. | The data stored on the logical volume |
| B. | The data stored on physical volume |
| C. | LVM configuration data stored on each physical volume |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 2. |
LVM does not incur much performance overheads because |
| A. | The writes/reads happen only to logical devices |
| B. | The mapping of logical to physical storage is kept in RAM |
| C. | The time lost in mapping devices is gained by writing to disks in parallel |
| D. | None of the mentioned |
| Answer» C. The time lost in mapping devices is gained by writing to disks in parallel | |
| 3. |
Which of the following is not a feature of LVM |
| A. | Independent of disk location |
| B. | Concatenation and striping of storage systems |
| C. | Protection against disk failures |
| D. | Snapshot capability |
| Answer» D. Snapshot capability | |
| 4. |
Concatenation is the technique of |
| A. | Adding physical volumes together to make a volume group |
| B. | Filling up a physical volume completely before writing to the next one in a logical volume |
| C. | writing a block of data onto one disk and then a block onto another disk in an alternate fashion |
| D. | Increasing the size of a volume by adding more disks |
| Answer» C. writing a block of data onto one disk and then a block onto another disk in an alternate fashion | |
| 5. |
LVM is independent of device IDs because |
| A. | LVM uses it’s own device naming to identify a physical disk |
| B. | LVM stores the volume management information on the disks that helps it reconstruct volumes |
| C. | LVM is an abstraction layer over physical devices and does not need device ids |
| D. | Device ids are used only by the device drivers |
| Answer» C. LVM is an abstraction layer over physical devices and does not need device ids | |
| 6. |
A logical Extent(LE) and Physical extent(PE) are related as follows |
| A. | PE resides on a disk, whereas LE resides on a logical volume |
| B. | LE is larger in size than a PE |
| C. | LE’s are unique whereas PE’s are not |
| D. | A LE can map to more than one PE |
| Answer» B. LE is larger in size than a PE | |
| 7. |
Which of the following are true. Logical Volumes _____ |
| A. | Can span across multiple volume groups |
| B. | Can span across multiple physical volumes |
| C. | Can be constructed only using a single physical disk |
| D. | None of the mentioned |
| Answer» C. Can be constructed only using a single physical disk | |
| 8. |
Physical Volumes are |
| A. | The space on a physical storage that represent a logical volume |
| B. | Disk or disk partitions used to construct logical volumes |
| C. | A bunch of disks put together that can be made into a logical volume |
| D. | None of the mentioned |
| Answer» C. A bunch of disks put together that can be made into a logical volume | |
| 9. |
A “Logical Volume Manager” helps in |
| A. | Virtualizing storage |
| B. | provide direct access to the underlying storage |
| C. | Manage disk space efficiently without having to know the actual hardware details |
| D. | Both storage virtualization and efficient disk space management |
| Answer» E. | |