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CCNP 300-810认证历年真题与练习测试，Cisco协作技术300-810 CLICA | 思博网络

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问题 #1

In FusionInsight HD Loader, a connector can only be assigned to a job.

A. Truecorrect

B. Falsecorrect

正确答案：AB

问题 #2

Which of the following sink types are used to receive data sent from the previous hop Flume when the Flume process is cascaded?

A. avro sinkcorrect

B. thrift sinkcorrect

C. HDFS sinkcorrect

D. Null Sink

正确答案：ABC

问题 #3

Spark is implemented in which of the following programming languages?

A. C

B. C++

C. JAVA

D. Scalacorrect

正确答案：D

问题 #4

Which one of the following descriptions of the characteristics of big data and traditional databases are incorrect?

A. Big data is the data processing of "fish in the pond" with a clear goal; the data processing of traditional database is to judge whether other kinds of "fish" exist or not through some "fish"correct

B. There are many types of data processed by big data, including structured, unstructured, and semi-structured data; the traditional database has a relatively single type of data, often structured data predominates.

C. In big data, there is no unified data tool, that is, "No size fits all"; in traditional databases, in a specific business scenario, one tool can often solve a problem, that is, "One size fits all"

D. The data scale of big data is very large, generally TB and PB are used as the data processing unit; the data size in traditional databases is generally small, and MB is often used as the data processing unit

正确答案：A

问题 #5

Fusioninsight HD cluster upgrade, is the following description correct? (Multiple choices)

A. Do not manually switch the active and standby OMS during the upgrade process

B. The root account password of all hosts in the cluster must be consistent

C. Keep the network open and avoid abnormal upgrades due to network problems

正确答案：ABC

问题 #6

The following description of the Flink window, which is wrong? (Multiple choice)

A. The scrolling windows do not overlap in time.correct

B. The scrolling windows overlap in time.correct

C. There is an overlap between the time points between the sliding windows.

D. There is no overlap between the time point between the sliding windows.correct

正确答案：ABD

问题 #7

What are the main functions of Fusioninsight Manager? (Multiple Choice)

A. Data integrationcorrect

B. System managementcorrect

C. Security managementcorrect

D. Service governancecorrect

正确答案：ABCD

问题 #8

Fusionlnsight Manager supports multi-tenant unified management.

A. Truecorrect

B. False

正确答案：A

问题 #9

The FusionInsight HD system uses the Streaming client Shell command to view the topology or submit the topology failure. Which of the following positioning methods is correct?

A. Check the client exception stack to determine whether the client problem of usecorrect

B. View the main Nimbus run log to determine whether the Nimbus server abnormalcorrect

C. View Supervisor run log to determine whether the Supervisor abnormal

D. View Worker run log

正确答案：AB

问题 #10

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

A. get /node

B. create /nodecorrect

C. set/node data

D. ls/node

正确答案：B

问题 #11

The Streaming of Fusioninsight HD is developed based on the open source Apache Storm, which is a distributed offline computing framework.

A. ATrue

B. BFalse

正确答案：B

问题 #12

Similar to Spark Streaming, Flink is an event-driven real-time streaming system

A. False

B. True

正确答案：A

问题 #13

Which of the following descriptions of Hive features are incorrect?

A. Flexible and convenient ETL

B. Only supports MapReduce computing enginecorrect

C. Can directly access HDFS files and HBase

D. Easy to use and easy to program

正确答案：B

问题 #14

RDD has Transformation and Action operators. Which of the following is an Action operator?

A. map

B. saveASTexFilecorrect

C. Filter

D. reducebykey

正确答案：B

问题 #15

Which of the following description of ZooKeeper feature is wrong?

A. Updates sent by the client are applied in the order in which they were sent.

B. A message is received by more than half of the servers and it can be successfully written to disk.

C. Message updates can only succeed or fail with no intermediate status.

D. The number of ZooKeeper nodes must be an odd number.correct

正确答案：D

问题 #16

What physical resources does Redis consume mainly?

A. Memorycorrect

B. Bandwidth

C. Hard Disk Space

D. Disk 10

正确答案：A

问题 #17

Table 1 in HBase of Fusionlnsight HD contains the following Regions [10, 20), [20 30] [30, +8], which are numbered 1 2 3, so which region does 11, 20, 222 belong to?

A. A

B. B123

C. C122

D. D112

正确答案：C

问题 #18

What are the main features of Hadoop HBase? (Multiple choice)

A. High reliabilitycorrect

B. high performancecorrect

C. facing the columncorrect

D. scalablecorrect

正确答案：ABCD

问题 #19

Huawei has rich experience in big data solutions in many industries such as finance, public security, railway and government affairs.

A. Truecorrect

B. False

正确答案：A

问题 #20

What is Spark's own resource management framework?

A. Standal onecorrect

B. Mesos

C. YARN

D. Docker

正确答案：A

问题 #21

All nodes of ZooKeeper can process read requests.

A. Truecorrect

B. False

正确答案：A

问题 #22

Which of the following does not belong to the characteristics of the MapReduce component in Hadoop?

A. Easy to program

B. Good scalability

C. Real-time calculationcorrect

D. High fault tolerance

正确答案：C

问题 #23

What is the default resource scheduler for queues in YARN?

A. FIFO scheduler

B. Capacity schedulercorrect

C. Fair scheduler

D. None of the above is correct

正确答案：B

问题 #24

Normally, a table stored in a text file by Hive uses carriage return as its line separator. In Huawei Fusioninsight Hive, you can specify the input and output formats of table data.

A. TRUEcorrect

B. FALSE

正确答案：A

问题 #25

The description of HBase Region Split splitting process, which is wrong?

A. The split process does not really separate the files, just create a reference file.

B. In order to reduce the size of the data in the Region, Split splits a Region into two Regions.

C. The table will be suspended duringSplit.correct

D. The Region that was split during the split process will suspend the service.

正确答案：C

问题 #26

In the HDFS system, the data block is stored in multiple copies. When the data block on a node is lost, a copy of the data needs to be manually copied to the node.

A. True

B. Falsecorrect

正确答案：B

问题 #27

The following aboutHiveComponent capabilities in the architecture. Which is the correct description?

A. AThriftServer for thriftcatchmouth, as JDBCservices and willHive and other applicationsintegrated

B. BCompiler pressAccording tomissionaccording toDependent relationship is executed separatelyMap/Raduce task

C. CExecutor is responsible for editingTranslate voQLandwillwhich translates into a series of mutualrelyofMap/ReduceTask

D. DOoptimizer is an optimizer, divided into logicalJiyouoptimizer and physical optimizer.HiveQLGenerated execution planMapRadceTaskEnterrow optimization

正确答案：ABCD

问题 #28

How is the main master of HBaseM elected?

A. Random selection

B. Ruling by RegionServer

C. Adjudication through Zookeepercorrect

D. HMaster is a dual-master mode, no adjudication is required

正确答案：C

问题 #29

Which one of the following is not a state store supported by Flink?

A. FsStateBackend

B. RocksDBStateBackend

C. MemoryStateBackend

D. FileStateBackendcorrect

正确答案：D

问题 #30

In Kafka Cluster, what is the role of Kafka server deployment?

A. Producercorrect

B. Consumer

C. ZooKeeper

D. Brokercorrect

正确答案：AD

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