81. The . . . . . . . . and the EditLog are central data structures of HDFS. A. DsImage B. FsImage C. FsImages D. All of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
82. Which of the following format is more compression-aggressive? A. Partition Compressed B. Record Compressed C. Block-Compressed D. Uncompressed Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
83. When using reflection to automatically build our schemas without code generation, we need to configure Avro using? A. AvroJob.Reflect(jConf); B. AvroJob.setReflect(jConf); C. Job.setReflect(jConf); D. None of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
84. Avro schemas describe the format of the message and are defined using . . . . . . . . A. JSON B. XML C. JS D. All of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
85. . . . . . . . . tools is used to generate proxy objects in Java to easily work with the objects. A. Lucene B. kafka C. MapReduce D. Avro Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
86. The . . . . . . . . machine is a single point of failure for an HDFS cluster. A. DataNode B. NameNode C. ActionNode D. All of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
87. Point out the wrong statement. A. The data file contains all the key, value records but key N + 1 must be greater than or equal to the key N B. Sequence file is a kind of hadoop file based data structure C. Map file type is splittable as it contains a sync point after several records D. None of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
88. Which of the following is based on the DEFLATE algorithm? A. LZO B. Bzip2 C. Gzip D. All of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
89. Point out the correct statement. A. Snappy is licensed under the GNU Public License (GPL) B. BgCIK needs to create an index when it compresses a file C. The Snappy codec is integrated into Hadoop Common, a set of common utilities that supports other Hadoop subprojects D. None of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
90. With . . . . . . . . we can store data and read it easily with various programming languages. A. Thrift B. Protocol Buffers C. Avro D. None of the mentioned Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board