MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 131 Mcqs, each offering curated multiple-choice questions to sharpen your Cloud Computing knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Which directive must precede the directive: #pragma omp sections (not necessarily immediately)? |
| A. | #pragma omp section |
| B. | #pragma omp parallel |
| C. | None |
| D. | #pragma omp master |
| Answer» B. #pragma omp parallel | |
| 102. |
The _______________ function when executed by a process other than 0 sendsits energy to process 0. |
| A. | Out of work |
| B. | No_work_left |
| C. | zero-length message |
| D. | request for work |
| Answer» B. No_work_left | |
| 103. |
The ____________________ is a pointer to a block of memory allocated by theuser program and buffersize is its size in bytes. |
| A. | tour data |
| B. | node tasks |
| C. | actual computation |
| D. | buffer argument |
| Answer» C. actual computation | |
| 104. |
How does the difference between the logical view and the reality ofparallel architectures affect parallelization? |
| A. | Performance |
| B. | Latency |
| C. | Bandwidth |
| D. | Accuracy |
| Answer» B. Latency | |
| 105. |
The cost of stack splitting in the MPI implementation is quite high; in addition to the cost of the communication, the packing and unpacking is very ________________. |
| A. | global least cost |
| B. | time- consuming |
| C. | expensive tours |
| D. | shared stack |
| Answer» C. expensive tours | |
| 106. |
Communication functions that involve all the processes in a communicatorare called ___________ |
| A. | MPI_Get_count |
| B. | collective communications |
| C. | buffer the message |
| D. | nonovertaking |
| Answer» C. buffer the message | |
| 107. |
A minimum of _____ variable(s) is/are required to be shared betweenprocesses to solve the critical section problem. |
| A. | one |
| B. | two |
| C. | three |
| D. | four |
| Answer» C. three | |
| 108. |
A processor performing fetch or decoding of different instruction duringthe execution of another instruction is called ______. |
| A. | Direct interconnects |
| B. | Indirect interconnects |
| C. | Pipe-lining |
| D. | Uniform Memory Access |
| Answer» D. Uniform Memory Access | |
| 109. |
Alternative way of a snooping-based coherence protocol, is called a____________ |
| A. | Write invalidate protocol |
| B. | Snooping protocol |
| C. | Directory protocol |
| D. | Write update protocol |
| Answer» D. Write update protocol | |
| 110. |
To avoid deadlock ____________ |
| A. | there must be a fixed number of resources to allocate |
| B. | resource allocation must be done only once |
| C. | all deadlocked processes must be aborted |
| D. | inversion technique can be used |
| Answer» B. resource allocation must be done only once | |
| 111. |
A system has 3 processes sharing 4 resources. If each process needs amaximum of 2 units, then _____________ |
| A. | Better system utilization |
| B. | deadlock can never occur |
| C. | Responsiveness |
| D. | Faster execution |
| Answer» C. Responsiveness | |
| 112. |
___________ are used for signaling among processes and can be readily usedto enforce a mutual exclusion discipline. |
| A. | Semaphores |
| B. | Messages |
| C. | Monitors |
| D. | Addressing |
| Answer» B. Messages | |
| 113. |
Parallelizing the two n-body solvers using _______________ is very similar toparallelizing them using OpenMP. |
| A. | thread‘s rank |
| B. | function Loopschedule |
| C. | Pthreads |
| D. | loop variable |
| Answer» D. loop variable | |
| 114. |
The function My_avail_tour count can simply return the ________ |
| A. | Size of the process’ stack |
| B. | Sub tree rooted at the partial tour |
| C. | Cut-off length |
| D. | None of the above |
| Answer» B. Sub tree rooted at the partial tour | |
| 115. |
A ___________ is a script whose main purpose is to run some program. In thiscase, the program is the C compiler. |
| A. | wrapper script |
| B. | communication functions |
| C. | wrapper simplifies |
| D. | type definitions |
| Answer» B. communication functions | |
| 116. |
When an instruction depends on the results of the previous instructions then |
| A. | error occurs |
| B. | software fault occurs |
| C. | data dependency occurs |
| D. | hardware fault occurs |
| Answer» D. hardware fault occurs | |
| 117. |
Which of the following is not a stage of pipeline of a RISC processor? |
| A. | read registers and decode the instructions |
| B. | fetch instructions from registers |
| C. | write result into a register |
| D. | access an operand in data memory |
| Answer» C. write result into a register | |
| 118. |
Which of the following is true about register windowing? |
| A. | chips expose 32 registers to programmer |
| B. | puts demands on multiplexers |
| C. | puts enormous demands on register ports |
| D. | all of the mentioned |
| Answer» E. | |
| 119. |
The register window is used to point the number of physical registers is |
| A. | infinite |
| B. | that are currently used |
| C. | finite |
| D. | that are unused |
| Answer» D. that are unused | |
| 120. |
The disadvantage of register windowing is |
| A. | high speed |
| B. | puts demands on multiplexers/register ports |
| C. | consumes less cycles |
| D. | doesn’t handle overflow/underflow |
| Answer» E. | |
| 121. |
The reason for which the RISC processor goes to idle state(or stall) is |
| A. | delay in reading information from memory |
| B. | poor instruction set design |
| C. | dependencies between instructions |
| D. | all of the mentioned |
| Answer» E. | |
| 122. |
The RISC processors that support variable length instructions are from |
| A. | Intel |
| B. | Motorola |
| C. | AMD |
| D. | Intel and Motorola |
| Answer» E. | |
| 123. |
Which of the following is not true about RISC processors? |
| A. | addressing modes are less |
| B. | pipelining is key for high speed |
| C. | microcoding is required |
| D. | single machine cycle instructions |
| Answer» D. single machine cycle instructions | |
| 124. |
The number of CPIs(Clock Per Instruction) for an instruction of RISC processors is |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» C. 2 | |
| 125. |
The instructions that instruct the processor to make a decision about the next instruction to be executed are |
| A. | data dependency instructions |
| B. | branch instructions |
| C. | control transfer instructions |
| D. | none of the above |
| Answer» C. control transfer instructions | |
| 126. |
The number of clockcycles that take to wait until the length of instruction is known in order to start decoding is |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» B. 1 | |
| 127. |
The additional functionality that can be placed on the same chip of RISC is |
| A. | memory management units |
| B. | floating point units |
| C. | memory management and floating point arithmetic units |
| D. | RAM, ROM |
| Answer» D. RAM, ROM | |
| 128. |
The advantage of RISC processors is |
| A. | can operate at high clock frequency |
| B. | shorter design cycle |
| C. | simple and fast |
| D. | all of the mentioned |
| Answer» E. | |
| 129. |
_________ is a cloud computing service model in which hardware is virtualized in the cloud. |
| A. | IaaS |
| B. | CaaS |
| C. | PaaS |
| D. | None of the mentioned |
| Answer» B. CaaS | |
| 130. |
_________ as a Service is a cloud computing infrastructure that creates a development environment upon which applications may be build. |
| A. | Infrastructure |
| B. | Service |
| C. | Platform |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 131. |
________ as a Service is a development environment that builds upon an existing cloud computing application infrastructure. |
| A. | Software |
| B. | Platform |
| C. | Analytics |
| D. | Compliance |
| Answer» C. Analytics | |