MCQOPTIONS
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MCQOPTIONS
This section includes 839 Mcqs, each offering curated multiple-choice questions to sharpen your C++ Programming knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
Which of these is the most frequently used channel of communication? |
| A. | Horizontal communication |
| B. | Diagonal communication |
| C. | Downward communication |
| D. | Upward communication |
| Answer» B. Diagonal communication | |
| 202. |
Which of these is not a commandment of effective communication? |
| A. | Clarity in language |
| B. | Listen poorly |
| C. | Home communication skills |
| D. | Adequate medium |
| Answer» C. Home communication skills | |
| 203. |
Which of these does not come under the four S’s? |
| A. | Simplicity |
| B. | Strength |
| C. | Sincerity |
| D. | Shock |
| Answer» E. | |
| 204. |
Which of these is the external sounds present in the channels of communication? |
| A. | Noise |
| B. | Semantic problems |
| C. | Cultural barriers |
| D. | Over communication |
| Answer» B. Semantic problems | |
| 205. |
Which of these should not be avoided for effective communication? |
| A. | Noise |
| B. | Planning |
| C. | Semantic problems |
| D. | Wrong assumptions |
| Answer» C. Semantic problems | |
| 206. |
On the basis of nature, communicating can be of two types. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 207. |
Globalization, growth of trade unions, public relations and a positive atmosphere are some of the factors that enable ____________. |
| A. | Good friendships |
| B. | Happiness |
| C. | Isolation from society |
| D. | Communication growth |
| Answer» E. | |
| 208. |
Every organization has a social responsibility. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 209. |
Which of these does not come under behavioural sciences? |
| A. | Globalization |
| B. | Psychology |
| C. | Sociology |
| D. | Transactional Analysis |
| Answer» B. Psychology | |
| 210. |
Which of these is not an information based system? |
| A. | MIS |
| B. | DSS |
| C. | SIS |
| D. | SDS |
| Answer» E. | |
| 211. |
Which of these factors is not required for communication growth? |
| A. | Growth in size of organisations |
| B. | Negative atmosphere |
| C. | Globalisation |
| D. | Public relations |
| Answer» C. Globalisation | |
| 212. |
A tape drive that uses helical scan technique for data recording is named to be |
| A. | Tape reel |
| B. | Streamer tape |
| C. | Digital audio tape |
| D. | Tape cartridge |
| Answer» D. Tape cartridge | |
| 213. |
For application of online banking system, suitable type of processing is of |
| A. | Sequential access device |
| B. | Direct access device |
| C. | Iterative access device |
| D. | Packed access device |
| Answer» C. Iterative access device | |
| 214. |
Disks that are not removable from their disk drives is said to be |
| A. | Disk drives with defined magnetic disks |
| B. | Disk drives with fixed magnetic disks |
| C. | Disk drives with framed magnetic disks |
| D. | Disk drives with located magnetic disks |
| Answer» C. Disk drives with framed magnetic disks | |
| 215. |
In applications where processing of data records is one after another, suitable processing type should be |
| A. | Sequential access device |
| B. | Direct access device |
| C. | Iterative access device |
| D. | Zoned access device |
| Answer» B. Direct access device | |
| 216. |
For taking backup of copies of files, utility often used is named to be |
| A. | File copying utilities |
| B. | File backup utilities |
| C. | File store utilities |
| D. | File structure utilities |
| Answer» B. File backup utilities | |
| 217. |
Disk formatting is prepared by a computer system at |
| A. | One level |
| B. | Two levels |
| C. | Three levels |
| D. | Four levels |
| Answer» C. Three levels | |
| 218. |
Levels of error-correcting codes provided by digital data storage can be classified into |
| A. | Two levels |
| B. | Three levels |
| C. | Four levels |
| D. | Five levels |
| Answer» C. Four levels | |
| 219. |
Storage locations are selected and accessed at random in storage devices named to be |
| A. | Packed access device |
| B. | Sequential access device |
| C. | Zoned access device |
| D. | Direct access device |
| Answer» E. | |
| 220. |
Scanning and marking bad sectors is responsibility of |
| A. | Low-level formatting |
| B. | Function-level formatting |
| C. | High-level formatting |
| D. | OS-level formatting |
| Answer» E. | |
| 221. |
Commands for operations of disk drive can be interpreted by |
| A. | Disk modulation |
| B. | Disk commanding |
| C. | Disk integrator |
| D. | Disk controller |
| Answer» E. | |
| 222. |
Minimum number of tracks in a 3 1/2 inch floppy disk is defined to be |
| A. | 15 |
| B. | 20 |
| C. | 35 |
| D. | 40 |
| Answer» E. | |
| 223. |
Process of arranging records of a file in some defined sequence is called |
| A. | Justifying |
| B. | Arranging |
| C. | Aligning |
| D. | Sorting |
| Answer» E. | |
| 224. |
OS-level formatting leaves sufficient space for FAT to |
| A. | Inquire |
| B. | Grow |
| C. | Allocate |
| D. | Index |
| Answer» C. Allocate | |
| 225. |
Which of the following is the only way of running mappers? |
| A. | MapReducer |
| B. | MapRunner |
| C. | MapRed |
| D. | All of the mentioned |
| Answer» C. MapRed | |
| 226. |
___________ takes node and rack locality into account when deciding which blocks to place in the same split. |
| A. | CombineFileOutputFormat |
| B. | CombineFileInputFormat |
| C. | TextFileInputFormat |
| D. | None of the mentioned |
| Answer» C. TextFileInputFormat | |
| 227. |
__________ are highly resilient and eliminate the single-point-of-failure risk with traditional Hadoop deployments. |
| A. | EMR |
| B. | Isilon solutions |
| C. | AWS |
| D. | None of the mentioned |
| Answer» C. AWS | |
| 228. |
__________ refers to incremental costs with no major impact on solution design, performance and complexity. |
| A. | Scale-out |
| B. | Scale-down |
| C. | Scale-up |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 229. |
Which of the following is the default output format? |
| A. | TextFormat |
| B. | TextOutput |
| C. | TextOutputFormat |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 230. |
Which of the following class is provided by the Aggregate package? |
| A. | Map |
| B. | Reducer |
| C. | Reduce |
| D. | None of the mentioned |
| Answer» C. Reduce | |
| 231. |
Which of the following commnd runs a DFS admin client? |
| A. | secondaryadminnode |
| B. | nameadmin |
| C. | dfsadmin |
| D. | adminsck |
| Answer» D. adminsck | |
| 232. |
Which of the following phases occur simultaneously? |
| A. | Shuffle and Sort |
| B. | Reduce and Sort |
| C. | Shuffle and Map |
| D. | All of the mentioned |
| Answer» B. Reduce and Sort | |
| 233. |
__________ is a generalization of the facility provided by the MapReduce framework to collect data output by the Mapper or the Reducer. |
| A. | Partitioner |
| B. | OutputCollector |
| C. | Reporter |
| D. | All of the mentioned |
| Answer» C. Reporter | |
| 234. |
_________ is the base class for all implementations of InputFormat that use files as their data source. |
| A. | FileTextFormat |
| B. | FileInputFormat |
| C. | FileOutputFormat |
| D. | None of the mentioned |
| Answer» C. FileOutputFormat | |
| 235. |
The split size is normally the size of a ________ block, which is appropriate for most applications. |
| A. | Generic |
| B. | Task |
| C. | Library |
| D. | HDFS |
| Answer» E. | |
| 236. |
In _____________ the default job is similar, but not identical, to the Java equivalent. |
| A. | Mapreduce |
| B. | Streaming |
| C. | Orchestration |
| D. | All of the mentioned |
| Answer» C. Orchestration | |
| 237. |
The right number of reduces seems to be ____________ |
| A. | 0.90 |
| B. | 0.80 |
| C. | 0.36 |
| D. | 0.95 |
| Answer» E. | |
| 238. |
Which of the following Hadoop streaming command option parameter is required? |
| A. | output directoryname |
| B. | mapper executable |
| C. | input directoryname |
| D. | all of the mentioned |
| Answer» E. | |
| 239. |
HDFS and NoSQL file systems focus almost exclusively on adding nodes to ____________ |
| A. | Scale out |
| B. | Scale up |
| C. | Both Scale out and up |
| D. | None of the mentioned |
| Answer» B. Scale up | |
| 240. |
Which of the following method add a path or paths to the list of inputs? |
| A. | setInputPaths() |
| B. | addInputPath() |
| C. | setInput() |
| D. | none of the mentioned |
| Answer» C. setInput() | |
| 241. |
__________ is a variant of SequenceFileInputFormat that converts the sequence file’s keys and values to Text objects. |
| A. | SequenceFile |
| B. | SequenceFileAsTextInputFormat |
| C. | SequenceAsTextInputFormat |
| D. | All of the mentioned |
| Answer» C. SequenceAsTextInputFormat | |
| 242. |
___________ generates keys of type LongWritable and values of type Text. |
| A. | TextOutputFormat |
| B. | TextInputFormat |
| C. | OutputInputFormat |
| D. | None of the mentioned |
| Answer» C. OutputInputFormat | |
| 243. |
Which of the following is used to schedules jobs and tracks the assign jobs to Task tracker? |
| A. | SlaveNode |
| B. | MasterNode |
| C. | JobTracker |
| D. | Task Tracker |
| Answer» D. Task Tracker | |
| 244. |
Which of the following is used for an execution of a Mapper or a Reducer on a slice of data? |
| A. | Task |
| B. | Job |
| C. | Mapper |
| D. | PayLoad |
| Answer» B. Job | |
| 245. |
_____ takes a set of data and converts it into another set of data, where individual elements are broken down into tuples (key/value pairs). |
| A. | Map |
| B. | Reduce |
| C. | both a and b |
| D. | Node |
| Answer» B. Reduce | |
| 246. |
The MapReduce algorithm contains two important tasks, namely __________. |
| A. | mapped, reduce |
| B. | mapping, Reduction |
| C. | Map, Reduction |
| D. | Map, Reduce |
| Answer» E. | |
| 247. |
In how many stages the MapReduce program executes? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 248. |
Which is the most popular NoSQL database for scalable big data store with Hadoop? |
| A. | Hbase |
| B. | MongoDB |
| C. | Cassandra |
| D. | None of the mentioned |
| Answer» B. MongoDB | |
| 249. |
Which of the following writes MapFiles as output? |
| A. | DBInpFormat |
| B. | MapFileOutputFormat |
| C. | SequenceFileAsBinaryOutputFormat |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 250. |
______ task, which takes the output from a map as an input and combines those data tuples into a smaller set of tuples. |
| A. | Map |
| B. | Reduce |
| C. | Node |
| D. | both a and b |
| Answer» C. Node | |