Weekend Sale Limited Time 70% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: xmas50

Huawei H13-711_V3.0 - HCIA-Big Data V3.0

Huawei H13-711_V3.0 Premium Access     Download Demo    
Page: 8 / 13
Total 649 questions

Which of the following statements about Zookeeper's Leaderi election is correct?

A.

When the number of instances n is an odd number, assuming n=2x+1, it takes x+l votes to become a leader node

B.

When Zookeeperj elects leaderE, it needs more than half of the votes

C.

When the number of instances is 8, it takes 5 votes to become the leader node. The disaster recovery capability is 4

D.

When the number of instances n is an odd number, assuming n=2x+1, it takes x votes to become a leader node

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

A.

Zookeeper

B.

LDAPServer

C.

KrbServer

D.

HDFS

In Kafka HA, when the leader corresponding to the partition is down, a new leader needs to be elected from the followers. Which of the following roles should be executed?

A.

Follower

B.

Controller

C.

Brocker

D.

Leader

Which of the following components must depend on Zookeeper to run?

A.

HDFS

B.

HBase

C.

Spark

D.

YARN

In the FusininsightHD platform, which components support list encryption?

A.

HDFS

B.

Flink

C.

HBase

D.

Hive

The following figure shows the computational model of Structured Streaming. By observation, it can be concluded that the final calculation result of 3 is

A.

Dog 1, owl 1

B.

Cat 2, dog 4, owl 2

C.

Cat 2, dog 3, owl 1

D.

Cat 1, cat 1, dog 2, dog 2, owl 2

Which of the following descriptions about the HBase storage model is correct?

A.

Each Key Value has a Qualifier identifier

B.

The same key value key is associated with multiple values

C.

KeyValuel has key information such as timestamp and type

D.

Even if there are multiple Key Values with the same key value and the same Qualifier, there may be more than one. In this case, the time stamp is used to distinguish

Which of the following scenarios in HBase will trigger the F1ush operation?

A.

HBasePeriod refreshMemstore, silentthink period is 1Hour

B.

When the number of files in WALs reaches a threshold

C.

The total size of the MemStore in the Region has reached the preset Flush Size threshold

D.

The ratio of the total memory occupied by the MemStore to the total memory of the RegionServer exceeds the preset threshold size

Which of the following statements about the interaction between F1ink and other components is correct?

A.

The implementation of Flink's checkpoint relies on Zookeeper

B.

Flink can send received components to Kafka

C.

The running of Flink tasks relies on YARN for resource scheduling and management

D.

Flink reads and writes data in HDFS file system

Which component controls the master/slave arbitration in HDFS?

A.

Zooleeper Failover Controller

B.

NodeManager

C.

ResourceManager

D.

HDFS Client

HDFS of HadoopE is a distributed file system. Which of the following application scenarios is suitable for data storage and management?

A.

Lots of small file storage

B.

High capacity and high leaf swallowing capacity

C.

low latency read

D.

Streaming data access

Which of the following statements about CarbonData in Fusioninsight is correct?

A.

cArbon is also a high-performance analytics engine that integrates data sources with spark.

B.

cArbon uses a combination of lightweight compression and heavyweight compression to compress data, which can reduce data storage space by 60%-80% and greatly save hardware storage costs.

C.

arbon is a new Apache Hadoop native file format that uses advanced columnar storage, indexing, compression, and encoding techniques to improve computational efficiency to help accelerate data queries over petabytes of magnitude, and can be used for faster interactive queries.

D.

The purpose of using carbon is to provide ultra-fast responses to ad-hoc queries on big data.

Starting from version 2.7.3 of HDFS, what is the default Block Size?

A.

32MB

B.

128MB

C.

64MB

D.

16MB

What can the unified certification management system of the new mainstream merchants consist of?

A.

Unified Authentication Server

B.

Unified authentication management module

C.

Tingyi Security Management Module

D.

Identity information storage server

What modules does the Spark framework include?

A.

Spark SQL

B.

Spark Streaming

C.

Spark GraphX

D.

Spark Mllib