A user needs to build a 350-node Fusionlnsight HD cluster. Which planning solution is the best?

• A.Integrated deployment of management nodes and control nodes, independent deployment of data nodes, Layer 2 networking
• B.The management nodes, control nodes, and data nodes are all deployed independently, with a three-tier network
• C.Integrated deployment of management nodes and data nodes, independent deployment of control nodes, Layer 2 networking
• D.The management node, control node, and data node are deployed in one, and the second layer networking

Comment: *

Name: *

Email: *

Verification: *

MapReduceprocess, by default,oneEach shard is a block, andYesOneMap Tasks.

• A.FALSE
• B.TRUE

Comment: *

Name: *

Email: *

Verification: *

Which of the following destinations can Fusioninsight HD Loader export HDFS data to?

• A.Oracle Database
• B.SFTP server
• C.DB2 database
• D.FTP server

Comment: *

Name: *

Email: *

Verification: *

Which of the following statements about Fusioninsight network security and reliability are correct? (Multiple choice)

• A.Fusioninsight supports the division of the network into three levels: cluster business plane, cluster management plane and maintenance network outside the cluster, which are physically separated from each other
• B.Isolation of network planes, avoiding management and business broadband seizure and mutual interference
• C.Avoid the high load of the business plane from blocking the cluster management channel
• D.Prevent external attackers from invading actual business data through management channels

Comment: *

Name: *

Email: *

Verification: *

In the Spark SQL table, there are often many small files (the size is much smaller than the HDFS block size). In this case, Spark will start more tasks to process these small files. When there is a Shuffle operation in the SQL logic, it will greatly increase the number of hash buckets, which seriously affects performance.

• A.False
• B.True

Comment: *

Name: *

Email: *

Verification: *