最新的HCIA-Big Data認證 H13-711考試題庫

問題1

What parts of data do I need to read to perform HBase read data services? (Multiple choices)

A. HFile

B. MemStore

C. HDFS

D. HLog

正確答案: A,B

問題2

What's wrong with TGT about Kerberos?

A. TGT stands for Ticket Authorization Ticket and is mainly generated by the KDC Service Agency

B. The existence of TGT on the client can be stored in memory or stored locally in the form of a file

C. Once a TGT is generated, it can be used indefinitely

D. The main information in the TGT is the current duration of the ticket, the server IP granted to the TGT, and the client name distributed to

正確答案: C

問題3

Are the main features of big data understood and described correctly? "Multiple choices"

A. many sources, many formats

B. Low value density of data

C. has a large amount of storage and a large amount of calculation

D. grows fast and processing speed is fast

正確答案: A,B,C,D

問題4

The Fusioninsight HD management node provides a dual-machine HA mechanism. After the master node fails, the master and backup nodes need to implement failover manually.

A. False

B. True

正確答案: A

問題5

Fusionlnsight Manager externally supports REST interface, SNMP interface, SYSLOG interface

A. False

B. True

正確答案: B

問題6

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

A. False

B. True

正確答案: A

問題7

When viewing the Partition details of a topic in Kafka, which command is used?

A. bin / kafka-topics.sh -create

B. bin / kafka-topics.sh -describe

C. bin / kafka-topics.sh -list

D. bin / kafka-topics.sh -delete

正確答案: B

問題8

What is the default block size of HDFS in Fusionlnsight HD system?

A. 32MB

B. 64MB

C. 128MB

D. 256MB

正確答案: C

問題9

What are the irony errors about Fusioninsight Manager? (Multiple choices)

A. You can query each important operation through the Audit interface of Fusioninsight Manager B Customers who cannot download a single component through Fusioninsight Manager

B. You can query the specific information of each alarm through the Alarms alarm interface of Fusioninsight Manager

C. After the cluster deployment is completed, cluster expansion cannot be performed through Fusioninsight Manager. You can only expand the cluster by uninstalling and rebuilding the cluster

正確答案: B,C

問題10

What is the physical storage unit of HBase?

A. Column

B. Region

C. ColumnFamjIy

D. ROW

正確答案: C

問題11

The Hadoop NameNode is used to store the metadata of the file system.

A. False

B. True

正確答案: B

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