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Huawei HCIP-Big Data Developer V1.0 Sample Questions:
1. There are scenarios where 500G of new data is generated by the online system every day, and these data need to be statistically summarized in dimensions such as days, weeks, and months.
Which table is suitable for Hive processing?
A) Partition + bucket table, partitioned by time, 2560 buckets per partition
B) Tilt table, select the date in the tilt field, and the tilt value is random
C) Partition table, partition by day
D) Bucket table, according to talent
2. In the FusionInsight HD system, with regard to the Hive JDBC interface type, which of the following descriptions is correct?
A) When using JDBC to submit SQL, you can add a semicolon ";" after the SQL statement.
B) In a network isolation environment, ZooKeeper's IP can be configured as either a service IP or a management IP.
C) In a secure cluster environment, before establishing a connection with Hive, you need to log in using a unified authentication method.
D) Hive is different from traditional databases, so the connection established by JDBC does not need to be closed.
3. During the Solr application development of FusionInsight HD products, you can verify the Collection through the Solr Admin UI.
Which of the following statements about Solr Admin UI is correct? (multiple choice)
A) Click Tree under Cloud to view metadata information such as Collections, configuration sets and live_nodes in Solr Cloud
B) Click Cloud to view the distribution and status of each ShardReplica under each Collection
C) Solr user group, Solr admin role and Super group users can access Solr Admin UI
D) Enter the Core Overview interface of the Shard Replica of a Collection, you can view the actual number of documents, storage size and location information of the Replica index
4. Which of the following measures can improve the query performance of HBase? (multiple choice)
A) Pre-divide regions to make regions evenly distributed and improve concurrency
B) Use secondary indexes to adapt to more query scenarios
C) The data read at the same time are stored in the same cell
D) Query frequent attributes are placed in front of rowkey
5. The rowkey design of HBase table is a very important development and design link.
Suppose there are the following scenarios. The most frequent query scenario is based on the mobile phone number to query the historical call records every month and every six months. Which of the following rowkey designs is the best?
A) Mobile number + date
B) Name + mobile phone number
C) Date + mobile phone number
D) Mobile phone number + name
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: C | Question # 3 Answer: A,B,C,D | Question # 4 Answer: A,B,C,D | Question # 5 Answer: A |
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