H13-711_V3.0 Exam Training Practice Tests (Huawei HCIA-Big Data V3.0)]

Question 1

Layer 2 networking in the Fusioninsight cluster networking design means that the Layer 2 switching cluster nodes in the cluster are in a subnet. It is suitable for cluster scenarios with less than 200 nodes.

A. True B. False

Correct Answer: A

Question 2

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

A. Configure how jobs connect to internal data sources B. Determine what conversion steps are in place C. Provide optimization parameters to provide data import and export performance D. Configure how jobs connect to external data sources

Correct Answer: D

Question 3

Which of the following options are included in the key features of ZooKeeper?

A. atomicity B. eventual consistency C. wait for irrelevance D. Reliablesex

Correct Answer: A,B,C,D

Question 4

HUAWEI CLOUD MapReducel service provides a one-stop enterprise-level big data cluster cloud service that is fully controllable by tenants. It is fully compatible with open source interfaces, and combines HUAWEI cloud computing, storage advantages and big data industry experience to provide customers with high performance and low cost.
This flexible and easy-to-use full-stack big data platform can easily run Hadoop, Spark.HBase, Kafka, Storm and other big data components, realize real-time and offline analysis and mining, and discover new business opportunities for enterprises.

A. True B. False

Correct Answer: A

Question 5

Which of the following functions can the kafka-clustermirroring tool implement?

A. Kafka data backup in a single cluster B. Kafka data recovery in a single cluster C. Kafka cluster data synchronization scheme D. to all wrong

Correct Answer: C

Question 6

Which way is correct to load data into Hive table?

A. Load files on HDFS into Hive tables. B. Load the file of the local path directly into the Hive table C. Hive supports insert into! The method of a single record. So you can insert a single record directly on the command line D. Insert result set from other table into Hive table

Correct Answer: A,B,D

Question 7

In the numberaccording toDuring stream processing, eachthingThe time can be divided into which of the following three?

A. procmming time,Right nowthingquiltsystemprocessing time B. ingostion time, that isevent arrival stream processing systemtime C. dalay time,That is, the extension time from the occurrence of the event to the processing D. went time, that istime of event

Correct Answer: A,B,D

Question 8

The driving source is that flume periodically actively acquires data.

A. True B. False

Correct Answer: B

Question 9

RDB supports indexes, HBase does not support indexes.

A. FALSE B. TRUE

Correct Answer: A

Question 10

Which of the following indicators belong to flume data monitoring?

A. The amount of data received by the source B. The amount of cached data in the channel C. Number of DataNodes D. The amount of data written by the sink

Correct Answer: A,B,D

Question 11

HDFS supports large file storage, and supports multiple users' write operations to the same file, as well as modification at any position of the file.

A. True B. False

Correct Answer: B

Question 12

What services can Huawei MRS provide to customers?

A. Offline and real-time data processing B. Statistical analysis and data mining C. Security Control Based on Kerberosi Certificate D. Multi-node deployment

Correct Answer: A,B,C,D

Question 13

In the HDFS mechanism, NameNodet is responsible for managing metadat
a. Each read request on the Clienty side needs to read metadata information from the metadata disk of NameNode, so as to obtain the location of the read file in DataNodel.

A. True B. False

Correct Answer: A

Question 14

To enable the log aggregation function of the Yam component in the Hadoop platform, which parameter needs to be configured?

A. yarn.nodemanager.log-dirs B. yarn.nodemanager.local-dirs C. yarn.acl.enable D. yarn.log-aggregation-enable

Correct Answer: D

Question 15

Which statement about the DataNodel of HDFS in Huawei Fusioninsight HD system is correct?

A. Blocks on a DataNode. can be the same B. Periodically send the block-related information of this node to the NameNode C. Blocks stored in different DataNodes must be different D. Does not check the validity of the data

Correct Answer: B

Huawei HCIA-Big Data V3.0 - H13-711_V3.0 Exam Practice Test