H13-711_V3.0 試験問題を無料オンラインアクセス

In Fusioninsight HD, if you need to view the user and permission group currently logged in to HBase, what command can be executed in the HBase shell?

• A.who
• B.get_user
• C.use_permission
• D.whoami

F1ink is suitable for applications with high concurrent data processing and millisecond-level delay

• A.True
• B.False

How many nodes are required to install the Nimbus role of the Streaming component of FusionInsight HD?

• A.1
• B.2
• C.4
• D.3

The HDFS data reading process includes the following steps, please choose the correct order. (Drag title) Order: ECADB

• A.The client calls close. to close the input stream.
• B.The location where the data block corresponding to this file in NameNodel is obtained by calling NameNode remotely through RPC
• C.The client calls the open method of the FileSystem instance to obtain the input stream corresponding to the file.
• D.After obtaining this input stream, the client calls the read method to read the data. The input stream selects the nearest DataNode to establish a connection and read data.
• E.If the end of the data block has been reached. Then close the connection with this DataNodel, and then re-find the next data block. until all data is read.

In the replica placement strategy of HDFS, what is the distance between different servers in the same rack?

• A.1
• B.2
• C.4
• D.3