H13-723試験無料問題集（155題）「Huawei HCIP-Big Data Developer V1.0 認定」

出題：1

For files stored in N (N>1) copies, the HDFS client initiates a file read request. If the read copy node fails, it will directly return to failure and will not go to other copy nodes for reading.

A. True

B. False

正解：B 解答を投票する

出題：2

Hive service and HBase service are deployed on a FusionInsight cluster, and two apps (applications) are deployed on Tomcat. One app is to access the HBase service, and the other app is to access the Hive service. Regarding authentication, which methods are as follows Is it right? (multiple choice)

A. Just do authentication on the app that accesses the Hive service.

B. Just do authentication on the app that accesses the HBase service

C. Deploy these two apps to two independent Tomcats, and then authenticate each

D. Combine these two apps into one and do authentication on the new app

正解：C,D 解答を投票する

出題：3

Suppose there is an application that needs to frequently access the user table in the Oracle database. In order to improve performance, Redis is introduced to cache user information.
For this scenario, which of the following is the best data structure choice for Redis?

A. set

B. list

C. hash

D. sorted set

正解：C 解答を投票する

出題：4

In the V100R002C60 version of the FusionInsight HD system, Hive only supports query services based on the MapReduce engine, and does not support query services based on the Spark engine.

A. True

B. False

正解：B 解答を投票する

出題：5

What are the several parameter setting methods for Spark applications? (multiple choices)

A. When submitting the application, set it through --conf

B. In the application code, set by the setProperty method of SparkContext

C. Configure in the application configuration file spark-defaults.conf

D. In the application code, set through the SparkConf object

正解：A,C,D 解答を投票する

出題：6

What methods does FusionInsight HD support to submit Oozie jobs? (multiple choice)

A. Rest API

B. Java API

C. Shell commands

D. Hue UI

正解：A,B,C,D 解答を投票する

出題：7

Which of the following is not a feature of MapReduce?

A. Easy to program

B. Good scalability

C. High fault tolerance

D. Real-time calculation

正解：D 解答を投票する

出題：8

In FusionInsight HD, what are the data distribution methods belonging to Streaming? (multiple choice)

A. Local Grouping

B. Field Grouping

C. Direct Grouping

D. Shuffle Grouping

正解：A,B,C,D 解答を投票する

出題：9

In FusionInsight HD, regarding Ooze job management, which of the following operations can be performed on suspended jobs? (multiple choice)

A. run

B. kill

C. resume

D. submit

正解：B,C 解答を投票する

出題：10

When adding a RegionServer host to an HBase cluster, you must stop the original cluster first, because HBase does not support dynamic expansion.

A. True

B. False

正解：B 解答を投票する

出題：11

In HBase of FusionInsight HD, which of the following scenarios will not trigger the Flush operation?

A. The MemStore setting of the Region exceeds the threshold

B. The total memory of RegionServer exceeds the threshold

C. The scan caching is set too large when the client initiates a scan request

D. Initiate Flush operation through the client specified method

正解：C 解答を投票する

出題：12

Regarding Streaming's topology, what is wrong in the following description?

A. A Topology is a directed acyclic graph (DAG) connected by a set of Spout components and Bolt components through Stream Groupings

B. A Topology can only specify to start one Worker process

C. Business logic is encapsulated in Topology

D. Topology will keep running until it is explicitly killed

正解：B 解答を投票する

出題：13

On the client of FusionInsight HD, execute the kinit {account} command to get what item of KDC?

A. ST

B. TGT

C. jaas.conf

D. Krb5.conf

正解：B 解答を投票する

出題：14

When the cluster is normal, the Redis client initiates a get call, and there are () message interactions between the client and the server?

A. 2

B. 1

C. 4

D. 3

正解：B 解答を投票する

H13-723試験無料問題集「Huawei HCIP-Big Data Developer V1.0 認定」