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. |
WHAT_IS_THE_CHARACTERISTICS_OF_ATOMICITY_??$ |
| A. | All operations associated are executed to completion or none are performed |
| B. | One processor as coordinator which handles all requests |
| C. | When responses are received from all processes, then process can enter its Critical Section |
| D. | Use communication links |
| Answer» B. One processor as coordinator which handles all requests | |
| 2. |
Single coordinator approach has the following advantages :$ |
| A. | Simple implementation |
| B. | Simple deadlock handling |
| C. | bottleneck |
| D. | All of the mentioned |
| Answer» B. Simple deadlock handling | |
| 3. |
What things are transaction coordinator is responsible for ?$ |
| A. | Starting the execution of the transaction |
| B. | Breaking transaction into a number of subtransactions |
| C. | Coordinating the termination of the transaction |
| D. | All of the mentioned |
| Answer» B. Breaking transaction into a number of subtransactions | |
| 4. |
What are the advantages of token(with rings) passing approach ? |
| A. | One processor as coordinator which handles all requests |
| B. | No starvation if the ring is unidirectional |
| C. | There are many messages passed per section entered if few users want to get in section |
| D. | One processor as coordinator which handles all requests |
| Answer» E. | |
| 5. |
What are the characteristics of fully distributed approach ? |
| A. | When responses are received from all processes, then process can enter its Critical Section |
| B. | When process exits its critical section, the process sends reply messages to all its deferred requests. |
| C. | It requires request,reply and release per critical section entry |
| D. | One processor as coordinator which handles all requests |
| Answer» B. When process exits its critical section, the process sends reply messages to all its deferred requests. | |
| 6. |
i |
| A. | i and iv |
| B. | i, ii and iii |
| C. | ii, iii and iv |
| Answer» C. ii, iii and iv | |
| 7. |
What are the characteristics of tightly coupled system ? |
| A. | Same clock, usually shared memory |
| B. | Communication is via this shared memory |
| C. | Multiprocessors |
| D. | Different clock |
| Answer» C. Multiprocessors | |