H13-711 Exam Training Practice Tests (Huawei HCIA-Big Data V2.0)]

Question 1

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

A. Metastore instance is not available B. HDFS service is unavailable C. DBService is unavailable D. HBase service is unavailable

Correct Answer: A,B,C

Question 2

The Kerberos system is designed with client / server structure and DES encryption technology to enable mutual authentication. Both the client and the server can perform identity authentication for each other.

A. True B. False

Correct Answer: A

Question 3

How does the management process of Fusionlnsight HD HBase choose the master node?

A. Ruling by ZooKeeper (correct case) B. is ruled by RegionServer C. Random selection D. HMaster is a dual-master model, and no ruling is required.

Correct Answer: A

Question 4

Among the following options, is the exact description of the role of the standby NameNode in Huawei Fusioninsight HD system? "Multiple choices"

A. Help the master NameNode merge the editor's log and reduce the startup time of the master NameNode B. The standby NameNode should be deployed to a node with the master NameNode C. Prepare NameNode has no memory requirements D. Hot standby for the main NameNode

Correct Answer: A,D

Question 5

When deploying Kerberos and LDAP services for FusionlnsightHD products, what is the following description correct? (Multiple choices)

A. Kerberos service and LDAP are deployed to the same node to facilitate data access and improve performance B. Before deploying Kerberos, you must deploy the LDAF service C. The LDAP service must be deployed on the same node as the Kerberos service D. LDAP service can be shared across multiple clusters

Correct Answer: A,B

Question 6

After the Fusioninsight HD cluster is successfully installed, you cannot modify the configuration of services, roles, and instances.

A. True B. False

Correct Answer: B

Question 7

Before and after the Fusioninsight HD Loader job runs, which nodes need to communicate with external data sources?

A. The first two are needed B. Nodes running Yarn jobs C. Loader service master node D. Don't bother with the first two

Correct Answer: A

Question 8

A Fusioninsight HD cluster planned by a certain bank has 90 nodes. If 3 control nodes are planned, the recommended data nodes in the cluster are:

A. 90 B. 85 C. 86 D. 87

Correct Answer: D

Question 9

In the ft SoIrClGud mode, is the following description about Solr related concepts correct? (Multiple choices)

A. It is determined by election which replica is the leader-only the leader replica can process index and query requests. Will accept index and Xuansi requests. B. Collection is a logically complete index in the SoIrCloud group. It can be divided into one or more shards. These shards use the same Config Set. C. Shard is a logical shard of the collection. Each Shard contains one or more replicas. D. Config Set is a set of configuration files required by Solr Core to provide services, including solrconfig.xml and schema.xml.

Correct Answer: A,B,D

Question 10

What's incorrect about HBase + HFile?

A. One HFile contains multiple columns of data B. One HFile contains data for multiple column families (correct case) C. One HFile belongs to one Region D. -HFile contains multiple rows of data

Correct Answer: B

Question 11

In the .Fusioninsight HD system, which is the LDAP data synchronization method?

A. One-way synchronization B. Two-way peers C. Data cross-peer D. Isolate differences

Correct Answer: A

Question 12

Which of the following operations does the Fusioninsight HD Manager face with the Loader?

A. Start the Loader instance B. Configure Loader parameters C. View Loader operation log D. View Loader service status

Correct Answer: C

Question 13

There are two peer queues Q1 and Q2 on YARN, both of which have a capacity of 50. There are already 10 tasks on Q1 occupying a total of 40 capacity, and 2 tasks on Q2 occupying a total of 30 capacity. Many, the scheduler will allocate resources to Q1 first.

A. True B. False

Correct Answer: B

Question 14

The nodes in the Fusionlnsight HD cluster only have one network card installed, and a dual-plane isolation networking scheme can also be used.

A. True B. wrong

Correct Answer: B

Question 15

What are the main features of big data analysis related technologies? (Multiple choices)

A. Machine learning, full features B. Based on massive data C. Analysis of the relevance of events behind the data D. based on exact samples

Correct Answer: A,B,C

Huawei HCIA-Big Data V2.0 - H13-711 Exam Practice Test