最新のH13-723-ENU問題集で試験を準備する

Which of the following is correct about the HDFS client's file reading process? (multiple choice)

• A. Support multiple clients to read the same file data from the DataNode at the same time.
• B. The file data is first returned from the DataNode to the NameNode, and then sent from the NameNode to the client.
• C. Download data from the nearest DataNode first.
• D. If the client and the connected DataNode fail during reading, the client will abandon the failed node and connect to the node where the other replica is located.

What methods does FusionInsight HD support to submit Oozie jobs? (multiple choice)

• A. Hue UI
• B. Rest API
• C. Shell commands
• D. Java API

Regarding the disaster tolerance of Streaming, which of the following statements is correct? (multiple choice)

• A. After Nimbus fails, the standby Nimbus will automatically take over, without affecting the running business.
• B. Worker can be automatically pulled up by Supervisor after abnormal exit without manual intervention.
• C. When a node fails, tasks on that node will be reassigned to other normal nodes without manual intervention.
• D. After the Supervisor process exits, it can be automatically recognized and pulled up by Nimbus without affecting the running business.

In the FusionInsight HD system, in the Solr example project solr-example\conf\solr-example.properties, the values of ZK_URL and ZOOKEEPER_DEFAULT_SERVER_PRINCIPAL can be obtained from which of the following options?

• A. In solr-example\conf\solr-example.properties, these two parameters are already included by default
• B. Obtain from the Solr Admin UI interface
• C. Obtained from the FusionInsight Manager Solr service configuration interface

When HDFS is running, the NameNode will load all the metadata of the file system from the disk to the memory. Therefore, the total number of files that the file system can store is limited by the memory capacity of the NameNode.

• A. True
• B. False