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Viewing page 7 out of 13 pages
Viewing questions 91-105 out of questions
Questions # 91:

Which component controls the primary and secondary arbitration of NameNodef in HDFS

Options:

A.

HDFS Client

B.

NodeManager

C.

ResourceManager

D.

ZooKeeper Failover Controller

Questions # 92:

Fusioninsight Hadoop:In the cluster, query through df-hT on a node. The partitions you see include the following: /var/log/srv/BigData/srv/BigData/hadoop/data5/srv/BigData/solr/solrserver3/What is the optimal RAID level planning combination for the disks corresponding to the srv/BigData/dbdadom partitions?

Options:

A.

Raido Raid1 Raido Non-Raidl

B.

Raidl Raid1 Non-RaidNon-Raid Raidl

C.

Raido raido Raido Raido raid0

D.

Non-Raid Non-Raid Non-Raid Non-Raid Raid1

Questions # 93:

In Fusioninsight HD, if you need to view the user and permission group currently logged in to HBase, what command can be executed in the HBase shell?

Options:

A.

use_permission

B.

whoami

C.

who

D.

get_user

Questions # 94:

The smallest processing unit of HBase is Region. Where is the routing information between User Region and Region Server stored?

Options:

A.

Zookeeper

B.

HDFS

C.

Master

D.

meta table

Questions # 95:

In the task scheduling process of YARN, which of the following is the task that ApplicationMastert is responsible for?

Options:

A.

Apply for and receive resources

B.

Set up the running environment for the task

C.

Allocate Container

D.

Start a Map or Reduce task

Questions # 96:

What is the default Block Size of HDFS in Fusioninsight HD system?

Options:

A.

32M

B.

64M

C.

128M

D.

256M

Questions # 97:

Assume that the minimum resource guarantee for each user is set to YARN. scheduler. capacity. root. QueueA. minimum-User-limit-percent=25, then the above statement is wrong

Options:

A.

When the 4th user submits a task, each user gets up to 25% of the resources

B.

When the 2nd user submits a task, each user gets up to 50% of the resources

C.

When the 3rd user submits the task, each user gets up to 33.33% of the resources

D.

When the 5th user submits a task, each user gets up to 20% of the resources

Questions # 98:

FusionInsight Manager manages services, which of the following statements is wrong?

Options:

A.

Can start, stop and restart the service

B.

Services can be added and uninstalled

C.

Uncommon services can be set to hide or show

D.

Can view the current status of the service

Questions # 99:

Which of the following statements about the read/write process of the leader node of Zookeeper after receiving the data change request is correct?

Options:

A.

Simultaneous writes to disk and memory

B.

Write to disk first, then write to memory

C.

write to memory only

D.

Write to memory first, then write to disk

Questions # 100:

Existing server.channelsa=ch1, set the Channel type to File Channel, which of the following configurations is correct?

Options:

A.

server.channels.ch1.type file

B.

server.channels.chl.type memory

C.

server.channels.type memory

D.

server.channels.type file

Questions # 101:

When the Loader of Fusioninsight HD creates a job, what is the function of the connector?

Options:

A.

Determine what conversion steps are in place

B.

Provide optimization parameters to provide data import and export performance

C.

Configure how jobs connect to external data sources

D.

Configure how jobs connect to internal data sources

Questions # 102:

Streaming:Event listening is mainly implemented through which of the following services provided by Zookeeper?

Options:

A.

Distributed detection mechanism

B.

ACK

C.

Watcher

D.

Checkpoint

Questions # 103:

Which of the following is incorrect about the BloomFilter feature of HBase?

Options:

A.

used to filter data

B.

Used to optimize the performance of random reads

C.

will increase storage consumption

D.

Can accurately determine that a certain data does not exist

Questions # 104:

In the Fusioninsight product, about the Kafka topic, which of the following descriptions are incorrect?

Options:

A.

Each topic can only be divided into one partition (area)

B.

The number of Topic partitions can be configured at creation time

C.

The storage layer of each Partition corresponds to a log file, and the log file records all information data

D.

Each message published to Kafkab has a category, which is called Topic, which can also be understood as a queue for storing messages.

Questions # 105:

In the Fusioninsight HD system, which component does the flume data flow not need to pass through in the node?

Options:

A.

sink

B.

topic

C.

Source

D.

Channel

Viewing page 7 out of 13 pages
Viewing questions 91-105 out of questions
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