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H13-723_V2.0
HCIP-Big Data Developer V2.0 Questions and Answers

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Viewing questions 136-150 out of questions

Questions # 136:

existHBaseWhile the application is running, the application can write data while creating the table.

Options:

True

False

Answer

Questions # 137:

FusionInsight HDmiddle,HiveWhich of the following parameters of the client is used to controlreduceConcurrency? (multiple choice)

Options:

hive.exec.reducers.bytes.per.reducer

hive.exec.reducers.max

hive.exec.max.dynamic.partitions

hive.exec.max.dynamic.partitions.pernode

Answer

A, B

Questions # 138:

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.

Options:

True

False

Answer

Questions # 139:

HDFSmiddleNameNodeUsed to store metadata for the file system.

Options:

True

False

Answer

Questions # 140:

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

Options:

index name

index column

Index column type (and index column length)

the name of the column family to which the indexed column belongs,

Answer

A, B, C

Questions # 141:

FusionInsight HDWhich components in the platform support table and column encryption?

(multiple choice)

Options:

HDFS

HBase

Hive

Flink

Answer

B, C

Questions # 142:

aboutKafkaInsufficient disk capacity alarm, which of the following analysis is incorrect for the possible reasons?

Options:

The disk configuration (such as the number of disks, disk size, etc.) used to store Kafka data cannot meet the current industry requirements.

service data traffic, causing the disk usage to reach the upper limit

The data storage time is configured too long, and the accumulated data reaches the upper limit of the disk usage.

Unreasonable business planning results in uneven data distribution and some disks reach the upper limit of usage

Broker node failure caused

Answer

Questions # 143:

forHBase rowkeyThe design principles described below are correct? (multiple choice)

Options:

Attribute values with high access weight are placed inRowKeyFront

Attribute values with high access weight are placed inRowkeysecond half

Attribute values with good dispersion are placed inRowkeyfirst half

Attribute values with good dispersion are placed inRowkeysecond half

Answer

A, C

Questions # 144:

FHumeofproperties.propertiesMultiple configurations can be configured in the configuration filechannelto transmit data.

Options:

True

False

Answer

Questions # 145:

Set the block storage size to128M,HDFSWhen the client is writing a file, when writing a100M Big. How much storage space is there?

Options:

128M

100M

64M

50M

Answer

Questions # 146:

FusionInsight HDofLoader, a connector can only be assigned to one job.

Options:

True

False

Answer

Questions # 147:

the following aboutHDFSIs the description correct?

(multiple choice)

Options:

HDFSDepend onNameNode,DataNode,Clientcomposition.

HDFSprepareNameNodeThe metadata on theNameNodeSync the past directly.

HDFSThe first copy of the data can be stored by using the rack node close to the client.

HDFSIt is suitable for the scenario of writing once and reading many times.

Answer

A, C, D

Questions # 148:

aboutStreamingthe topology (Topology), which of the following descriptions is wrong?

Options:

OneTopologyis made up of a group ofSpoutcomponents andBoltcomponents passStream Groupingsconnected

Directed acyclic graph (DAG)

Topologywill run until it is explicitlykill

Business logic is encapsulated inTopologymiddle OneTopologyOnly one can be specified to startWorkerprocess

Answer

Questions # 149:

FusionInsight HDin, useStreamingofLinuxWhen submitting a topology in command line mode, you need to first use an ownStreamingUser with submit permissionkinitway authentication

Options:

True

False

Answer

Questions # 150:

FusionInsiat HD the user wants to passHBase shelloperation to query aHBasein the table. In this scenario, it is recommended that the administrator assign a machine account to this user.