due toSparkis a memory-based computing engine, therefore, aSparsThe amount of data that the application can handle cannot exceed the amount allocated for this indivualSparkThe total memory of the application.

• A.True
• B.False

Comment: *

Name: *

Email: *

Verification: *

fusioninsight, an application to chargeKerberosSecurity certification, which of the following options are must be used? (multiple choice)

• A.user accountkeytabdocument
• B.jaas.confconfiguration file
• C.existFusionInsight ManagerUser account applied on
• D.krb5.confconfiguration file

Comment: *

Name: *

Email: *

Verification: *

Which of the following causesHDFSofNameNodeEntersafemode(safe read-only mode)?
(multiple choice)

• A.The corrupted copy exceeds the threshold.
• B.Active and standbyNameNodeThe disk space where the metadata is located is insufficient.
• C.The number of missing blocks on the port exceeds the threshold.
• D.The missing copies of the port exceed the threshold.

Comment: *

Name: *

Email: *

Verification: *

FusionInsight Managerinterface, when receivedKafkaInsufficient disk capacity alarm, and the alarm's When the cause has been ruled out for the hard disk hardware failure, the system administrator needs to consider expanding the capacity to solve this problem.

• A.False
• B.True

Comment: *

Name: *

Email: *

Verification: *

forFusionInsight HDplatformHBasecomponent, adding a secondary index needs to define the secondary index Which properties? (multiple choice)

• A.index name
• B.Index column type (and index column length)
• C.index column
• D.the name of the column family to which the indexed column belongs,

Comment: *

Name: *

Email: *

Verification: *