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CCNP 300-835认证历年真题与练习测试，CCNP 300-835 CLAUTO | 思博网络

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问题 #1

Assuming that the data volume is about 200GB and the maximum fragment capacity is limited to 30GB, what is the appropriate design for the maximum number of fragments?

A. 9 or 10

B. 7 or 8correct

C. 3 or 4

D. 5 or 6

正确答案：B

问题 #2

Which of the following data sources can realize data exchange with FusionInght HD through Loader? (Multiple Choice)

A. NoSQLcorrect

B. FTP Servercorrect

C. SFTP Servercorrect

D. MySQLcorrect

正确答案：ABCD

问题 #3

If it is necessary for the data producer to determine the data sent to a certain task of the target Bolt, which of the following message publishing strategies should be selected?

A. Local field grouping

B. Broadcast grouping

C. Direct groupingcorrect

D. Global grouping

正确答案：C

问题 #4

Which of the following functions can the kafka-cluster mirroring tool achieve?

A. Kafka cluster data synchronization solutioncorrect

B. Data backup in Kafka single cluster

C. Data recovery in Kafka single cluster

D. None of the above

正确答案：A

问题 #5

Which module is responsible for Fusioninsight Manager user data storage?

A. CAS

B. AOS

C. Kerberos

D. LDAPcorrect

正确答案：D

问题 #6

What modules does the Spark framework include? (Multiple choice)

A. Spark Mllib

B. Spark GraphX

C. Spark SQL

D. Spark Streaming

正确答案：ABCD

问题 #7

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

A. Used to filter datacorrect

B. Used to optimize the performance of random reads

C. Will increase the storage consumption

D. Can accurately determine that a piece of data does not exist

正确答案：A

问题 #8

When HDFS stores data, key data is stored in nodes with high reliability according to actual business needs. By modifying Danodo's storage strategy, the system can force data to be stored in the specified node group.

A. TRUEcorrect

B. FALSE

正确答案：A

问题 #9

FusionInsight HD Loader performs data import and export and must go through the Reduce stage for data processing.

A. Truecorrect

B. Falsecorrect

正确答案：AB

问题 #10

The driver in Spark On YARN mode can only run on the client.

A. ATrue

B. BFalse

正确答案：B

问题 #11

Which of the following are not part of the core elements of KrbServer?

A. KDC(Key Distribution Center)

B. Kerberos Client

C. Kerberos KDC Clientcorrect

D. Kerberos KDC Server

正确答案：C

问题 #12

Which of the following is the correct description about the basic operation of Hive SQL?

A. Location information must be specified when creating an external table

B. Create an external table using the external keyword, creating a normal table requires specifying the internal keyword

C. The source data must be a path of HDFS when adding load data to Hive

D. You can specify the column separator when creating a tablecorrect

正确答案：D

问题 #13

When the Fusionlnsight HD Manager interface displays Hive service status as Bad, what are the possible reasons? (Multiple choices)

A. ADBService is unavailable

B. BHDFS service is unavailable

C. CMetastore instance is not available

D. DHBase service is unavailable

正确答案：ABC

问题 #14

In FusionInsight HD systems, data can be collected from deployed nodes through multiple Flume connections.

A. Truecorrect

B. False

正确答案：A

问题 #15

What is the file format for data storage in HBase?

A. Filecorrect

B. SequenceFile

C. Log

D. TXTfile

正确答案：A

问题 #16

The following statement about ZKFC, which is wrong?

A. ZKFC (ZKFailoverController) is used as a client of the ZooKeeper cluster to monitor the status information of the NameNode.

B. The ZKFC process needs to be deployed in the node of the NameNode and the Leader node of the ZooKeeper.correct

C. Standby NameNode senses the status of the Active NameNode through ZooKeeper. Once the Active NameNode rock machine,

D. Standby NameNode will perform the main operation.

E. HDFS NameNode ZKFC is connected to ZooKeeper, and the host name and other information is saved to ZooKeeper.

正确答案：B

问题 #17

The following are typical application scenarios of DWS

A. AEnterprise Data Warehouse

B. BTrading System

C. Cdata mart

D. DCRM/ERP

正确答案：ABCD

问题 #18

In the Fusioninsiehtaanarer interface, which of the following options to Loader does not include?

A. Switch Loader active and standby nodescorrect

B. Start the Loader instance

C. Configure Loader parameters

D. View Loader service status

正确答案：A

问题 #19

Which of the following description about the flink window is wrong? (Multiple Choice)

A. Rolling windows overlap in timecorrect

B. Rolling windows do not overlap in time

C. There is no overlap in time between sliding windowscorrect

D. There is overlap in time between sliding windows

正确答案：AC

问题 #20

In the Kafka cluster, what is the role of the Kafka server?

A. Producer

B. Consumer

C. ZooKeeper

D. Brokercorrect

正确答案：D

问题 #21

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

A. Determine the conversion steps

B. Provide optimization parameters, provide data import and export performance

C. How the configuration job connects with external data sourcescorrect

D. How the configuration job connects with internal data sources

正确答案：C

问题 #22

About the architecture description of Hive in Fusioninsight HD, which of the following is error?

A. If one Hiveserver is unavailable, the entire Hive cluster is unavailable.correct

B. Motastore is used to provide metadata services and depends on DBService

C. At the same time, if one of HiveServer is in Active state, the other is in Standby state

D. Hiveserver is responsible for receiving client requests, parsing, executing HQL commands and returning query results

正确答案：A

问题 #23

Which of the following commands can be used to create node data?

A. get/node

B. create /node

C. set/node data

D. 1s/node

正确答案：B

问题 #24

Which of the following scenarios are not good for Flink components? (Multiple choice)

A. Batch processingcorrect

B. Iterative calculationcorrect

C. Stream processing

D. Data storagecorrect

正确答案：ABD

问题 #25

Regarding the difference and connection with Spark SQL & Hive, which of the following statement is correct? (Multiple Choice)

A. Spark SQL relies on HiVe metadatacorrect

B. The execution engine of Spark SQL is Spark core. The default execution engine of Hive is Mapreducecorrect

C. Spark SQL cannot use Hive's custom functionscorrect

D. Spark SQL is compatible with most Hive syntax and functionscorrect

正确答案：ABCD

问题 #26

FusionInsight Manager external supports REST interface, SNMP interface, and SYSLOG interface.

A. Truecorrect

B. False

正确答案：A

问题 #27

Regarding RDD, which of the following statement is error?

A. RDD has lineage mechanism

B. RDD is stored on disk by defaultcorrect

C. RD is a read-only, partitionable distributed data set

D. RD is Spark's abstraction of basic data

正确答案：B

问题 #28

The function of Channel likes a queue and is used to temporarily cache incoming data. When Sink successfully sends data to the next hop of the Channel or the final purpose, the data will be removed from Channe1.

A. TRUEcorrect

B. FALSE

正确答案：A

问题 #29

FlinkmiddleWatermarkmechanism useduntiedecidechaossequenceproblem.WatermarkCan it be produced in the following way?

A. AinheritassiknerWithPunctuateca termmarks

B. BInherit assigner Timestamp WithWatermark

C. CInherit get Current Watermark

D. DInherit assignerWithPeriodicWatermarks

正确答案：BD

问题 #30

Which of the following descriptions about the function of HMaster in Hbase are correct? (Multiple Choice)

A. Region load balancing, region splitting, and region distribution after splittingcorrect

B. Be responsible for creating/modifying/deleting tablescorrect

C. Be responsible for load balancing of RegionServercorrect

D. Region migration after Regionserver failurecorrect

正确答案：ABCD

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