H13-711_V3.0-ENU

If it is necessary for the data producer to determine the data sent to a certain task of the target Bolt, which of the following message publishing strategies should be selected?A . Local field groupingB . Broadcast groupingC . Direct groupingD . Global groupingView AnswerAnswer: C

Which of the following descriptions of Hive features are incorrect?A . Flexible and convenient ETLB . Only supports MapReduce computing engineC . Can directly access HDFS files and HBaseD . Easy to use and easy to programView AnswerAnswer: B

Regarding the warning of insufficient disk capacity in Kafka, which of the following analysis is incorrect for possible reasons?A . The disk configuration used to store Kafka data (such as the number of disks, size, etc.) cannot meet the current business data flow announcement, resulting in the disk usage reaching...

Spark is implemented in which of the following programming languages?A . CB . C++C . JAVAD . ScalaView AnswerAnswer: D

Which of the following are not part of the core elements of KrbServer?A . KDC(Key Distribution Center)B . Kerberos ClientC . Kerberos KDC ClientD . Kerberos KDC ServerView AnswerAnswer: C

In the MRS cluster, which of the following components does Spark mainly interact with?A . ZookeeperB . YarinC . HiveD . HDFSView AnswerAnswer: A

Where is the Meta Region routing information of HBase metadata stored in?A . Root tableB . ZookeeperC . HMasterD . Meta tableView AnswerAnswer: B

Which way does ElasticSearch index data use?A . Forward IndexB . Full-text indexC . Inverted indexD . Keyword IndexView AnswerAnswer: C

Which one of the following commands can be used to clear the data of all databases under the Redis instance?A . dropallB . flushallC . flushdbD . dropdbView AnswerAnswer: B

When installing the Streaming component of Fusionlnsight HD, how many nodes are required to install by the Nimbus role?A . 3B . 2C . 4D . 1View AnswerAnswer: B