Free HCIP-Big Data Developer V2.0 Exam H13-723_V2.0 Exam Practice Test

Spark streamingAs a micro-batch stream processing engine, it converts the data of each time slice for oneRDDa partition in the

• True
• False

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

• Active and standbyNameNodeof metadata is running out of disk space.
• The number of missing blocks exceeds the threshold.
• Lost replicas exceed the threshold.
• The corrupted copy exceeds the threshold.

rightHBase, which of the following properties can be set? (multiple choice)

• Versions
• TTL
• Coprocessor
• Compression

forN(N>1) copies of stored documents,HDFSThe client initiates a read file request. If the read replica node fails,Return failure directly and will not go to other replica nodes for reading.

• True
• False

FusionInsight HDsystematicV100R002C60version,HiveOnly supports based onMapReduceEngine query service,not supported based onSparkEngine query service.

• True
• False

Which of the following measures can improveHBasequery performance? (multiple choice)

• pre-scoreregion,MakeregionEvenly distributed, improve concurrency
• Query frequent attributes are placed inrowkeyThe front part
• Use secondary indexes to adapt to more query scenarios
• Data read at the same time are stored in the samecellmiddle

Fusionlnsigt HD an application to completeKerberosSecurity authentication, which of the following options must be used?(multiple choice)

• krb5.confconfiguration file
• existFusionInsight ManagerUser account applied on
• user accountkeytabdocument
• jaas.confconfiguration file

existSpark, the accumulator can realize high-speed parallel counter and variable summation; inSparkduring application development,only inDriverGet the value of this counter on .

• True
• False

FusionInsight HDWhat are the supported ways to submitOozieOperation? (multiple choice)

• ShellOrder
• Java API
• Hue UI
• Rest API