

MCQOPTIONS
Saved Bookmarks
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Database knowledge and support exam preparation. Choose a topic below to get started.
1. |
THE_TECHNIQUE_WHERE_THE_BLOCKS_WHICH_HAVE_BEEN_USED_ARE_REPLACED_IS_CALLED?$ |
A. | Replacement strategy |
B. | Forced strategy |
C. | Crash recovery system |
D. | Most recently used |
Answer» E. | |
2. |
____________________frees_the_space_occupied_by_a_block_as_soon_as_the_final_tuple_of_that_block_has_been_processed.$ |
A. | Replacement strategy |
B. | Forced strategy |
C. | Toss immediate strategy |
D. | Most recently used |
Answer» D. Most recently used | |
3. |
In case the buffer manager do not write the blocks properly then the buffer manager use? |
A. | Replacement strategy |
B. | Forced strategy |
C. | Crash recovery system |
D. | Both Replacement and Forced strategy |
Answer» D. Both Replacement and Forced strategy | |
4. |
The frequently used buffer replacement strategy is |
A. | Most recently used |
B. | Least recently used |
C. | Longest block |
D. | All of the mentioned |
Answer» C. Longest block | |
5. |
There are situations in which it is necessary to write back the block to disk, even though the buffer space that it occupies is not needed. This write is called the |
A. | Pinned block strategy |
B. | Forced output block |
C. | Buffer replacement strategy |
D. | All of the mentioned |
Answer» C. Buffer replacement strategy | |
6. |
A block that is not allowed to be written back to disk is said to be ______________ |
A. | Pinned |
B. | Forced |
C. | Buffer |
D. | All of the mentioned |
Answer» B. Forced | |
7. |
In the buffer where there is no space for another block, the block can be inserted using |
A. | Pinned block strategy |
B. | Forced output block |
C. | Buffer replacement strategy |
D. | All of the mentioned |
Answer» D. All of the mentioned | |
8. |
The subsystem responsible for the allocation of buffer space is called the ___________ |
A. | Buffer |
B. | Buffer manager |
C. | Storage |
D. | Secondary storage |
Answer» C. Storage | |
9. |
A major goal of the database system is to minimize the number of block transfers between the disk and memory. This is achieved by |
A. | Buffer |
B. | Catalog |
C. | Storage |
D. | Secondary storage |
Answer» B. Catalog | |
10. |
The _______ is that part of main memory available for storage of copies of disk blocks. |
A. | Buffer |
B. | Catalog |
C. | Storage |
D. | Secondary storage |
Answer» B. Catalog | |