Huawei HCIP-Big Data Developer - H13-723-ENU Free Exam Questions

A. sorted set

B. list

C. hash

D. set

A. HBase can be built on ordinary commercial servers, and the construction cost is relatively low.

B. HBase stores massive data and supports dynamic expansion, which can fulfill the storage requirements of logistics and sales data.

C. Hbase supports efficient random reading, and can complete real-time analysis and command of the logistics situation after a reasonable design.

D. Logistics data is very sparse, and HBase can efficiently process sparse data.

A. MapReduoe

B. HDFS

C. Streaming

D. Spark

A. ST

B. jaas.conf

C. TGT

D. Krb5.conf

A. Using string structure, each row of each table uses a KEY, and value is the concatenated value of all the fields in a row of the table.

B. Using string structure, each field in each row of each table uses a KEY.

C. Using a hash structure, each row record of each table uses a hash KEY, the field of the hash KEY corresponds to the field of the table record, and each table is designed with a different prefix to distinguish it.

D. A hash structure is adopted, and a table uses a hash KEY, and a row in the table records a field for the hash KEY.

A. The client must be installed with setuptools, and the version is not lower than 5.0

B. The Python version is required to be no lower than 2.6.6 and no higher than 2.7.0

C. The hive_python_client script provides the function of directly executing SQL, such as hive_python_client'show tables '

D. Python secondary development does not support secure clusters

A. Shuffle Grouping

B. Direct Grouping

C. Field Grouping

D. Local Grouping

A. Real-time online data analysis

B. Data mining (user behavior analysis, interest division, regional display)

C. Non-real-time analysis (log analysis, statistical analysis)

D. Data summary (number of user clicks per day/week, click ranking)

A. Neither

B. Both

C. The server caches the cluster topology information

D. The client caches the cluster topology information

A. After Nimbus fails, the standby Nimbus will automatically take over, without affecting the running business.

B. After the Supervisor process exits, it can be automatically recognized and pulled up by Nimbus without affecting the running business.

C. Worker can be automatically pulled up by Supervisor after abnormal exit without manual intervention.

D. When a node fails, tasks on that node will be reassigned to other normal nodes without manual intervention.

A. sc.textFile( " /data/file/path " .map(_.split( " , " ).map(p => Femalelnfo(p(0), p(1), p (2) .trim.tolnt)).toDF.registerTempTable("FemalelnfoTable") sqlContext.sql("select name,sum(stayTime) as stayTime from FemalelnfoTable where gender = ' Female ' group by name " ).filter( " stayTime >= 120 " ).collect().foreach(println)

B. sc.textFile( " /data/file/path " .map(_.split( " , " ).map(p => Femalelnfo(p(0), p(1), p (2) .trim.tolnt)).toDF.registerTempTable("FemalelnfoTable") sqlContext.sql("select name,sum(stayTime) as stayTime from FemalelnfoTable where gender = ' Female '" ).filter( " stayTime >= 120 " ).collect().foreach(println)

C. val text = sc.textFile("/data/file/path") val data = text.filter(_.contains("female")) val femaleData:RDD[(String,Int)] = data.map{Iine => val t = line.split( ' , ' ) (t(0),t(2).tolnt) }.reduceByKey(_ + _) val result = femaleData.filter(line => line._2> 120) result.collect().map(x => x._1 + ' , ' + x._2).foreach(println)

D. val text = sc.textFile("/data/file/path") val data = text.filter(_.contains("female")) val femaleData:RDD[(String,Int)] = data.map{Iine => val t = line.split( ' , ' ) (t(0),t(2).tolnt) }. val result = femaleData.filter(line => line._2> 120) result.collect().map(x => x._1 + ' , ' + x._2).foreach(println)

A. The application needs to implement message retransmission logic in the fail() interface method of spout.

B. After Acker is enabled, Streaming will identify the Tuple that failed to be sent and automatically resend it without human intervention.

C. Acker will mark the processing timeout or processing failure message as fail.

D. Starting from the spout, the failure of any link in the formed Tuple tree will mark the entire tree as a failure.

A. False

B. True

A. The disk space where the metadata of the active and standby NameNodes reside is insufficient.

B. The damaged copy exceeds the threshold.

C. The number of lost blocks exceeds the threshold.

D. The missing copy exceeds the threshold.