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Viewing questions 76-90 out of questions
Questions # 76:

The following description about Flink barrier is wrong ( )

Options:
A.

barrier) is periodically inserted into the data stream and flows with it as part of the data stream

B.

Barriers are at the heart of Flink snapshots

C.

A barrier compares the snapshot data of this cycle with the nextonePeriodic snapshot data is separated

D.

When inserting barrierf, it will temporarily block the data flow

Expert Solution
Questions # 77:

Which of the following contents can be viewed in the Loader historical job record?

Options:
A.

job status

B.

Job start/run time

C.

dirty data link

D.

Error lines/number of files

Expert Solution
Questions # 78:

Which of the following are the optimization methods of Redis?

Options:
A.

Reduced key-values

B.

Turn off persistence

C.

Limit Redis memory size

D.

slowlog configuration

Expert Solution
Questions # 79:

When installing a Fusionlnsight HD cluster in safe mode, which components must be installed?

Options:
A.

Zookeeper

B.

LDAPServer

C.

KrbServer

D.

HDFS

Expert Solution
Questions # 80:

Which of the following descriptions about the functions of HMaster in HBase are correct?

Options:
A.

Region load balancing, Region splitting and Region allocation after splitting

B.

Responsible for creating tables, modifying tables, deleting tables

C.

Responsible for load balancing of RegionServer

D.

Region after RegionServer failsmigrate

Expert Solution
Questions # 81:

Which of the following scenarios is not suitable for HDFS?

A streaming data access

B. Lots of small file storage

C. Large file storage and access

D. random write

Expert Solution
Questions # 82:

What are the functions of Nimbus in the Streaming architecture?

Options:
A.

Monitor task execution status

B.

task scheduling

C.

start/stop worker process

D.

Resource allocation

Expert Solution
Questions # 83:

Which of the following windows can F1ink perform statistics on?

Options:
A.

time window

B.

sliding window

C.

session window

D.

Cout window

Expert Solution
Questions # 84:

Among the following options, which are the processes that MapReduce will have?

Options:
A.

Ccombine

B.

Map

C.

Reduce

D.

Partition

Expert Solution
Questions # 85:

Is the description of the role of the standby NameNode correct in the HDFS system?

Options:
A.

Hot Standby for Primary NameNodel

B.

Standby NameNode) has no memory requirements

C.

Help the main NameNodet merge edit logs and reduce the startup time of the main NameNodel

D.

The standby NameNode should be deployed to the same node as the primary NameNode

Expert Solution
Questions # 86:

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

Options:
A.

SFTP server

B.

FTP server

C.

Oracle Database

D.

DB2 database

Expert Solution
Questions # 87:

Which components in FusioninsightHD can Zookeeper provide distributed management support for?

Options:
A.

HBase

B.

Loader

C.

Hive

D.

Spark

Expert Solution
Questions # 88:

The following statements about Kafka Partitioni are correct

Options:
A.

The introduction of the Partition mechanism ensures the high throughput of Kafkal

B.

Each Partition is an ordered and immutable message queue

C.

The number of Partitions determines the maximum number of concurrent consumers in each consumer group

D.

Each Partition corresponds to a log file at the storage level

Expert Solution
Questions # 89:

Provide enterprise-level metadata management under the DGC platform architecture. Data asset management can visually support drilling, traceability, etC. Through the data map, which module can provide data intelligent search and operation monitoring to realize the data blood relationship and data panorama visualization of data assets?

Options:
A.

data development

B.

Data Asset Management

C.

Specification design

D.

data integration

Expert Solution
Questions # 90:

In Huawei Fusioninsight HD, which of the following components are strongly dependent on Flink?

Options:
A.

Kafka

B.

HDFS

C.

YARN

D.

Zookeeper

Expert Solution
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