Exam Questions and Answers for H13-723-ENU Study Guide Questions and Answers!
HCIP-Big Data Developer Certification Sample Questions and Practice Exam
NEW QUESTION 43
When a MapReduce application is executed, which of the following actions occurred before the map phase?
- A. partition
- B. split
- C. sort
- D. combine
Answer: B
NEW QUESTION 44
When the HBase application is running, the application can write data while creating a table.
- A. False
- B. True
Answer: A
NEW QUESTION 45
In FusionInsight HD, which parts of a complete Streaming CQL application include at least? (multiple choice)
- A. Business operation statements (such as SELECT, INSERT, JION, etc.)
- B. Application submission statement
- C. Create an input stream
- D. Create an output stream
Answer: A,B,C,D
NEW QUESTION 46
In Kafka, which of the following commands can check how many partitions a topic has?
- A. kafka-topics.sh --create
- B. kafka-topics.sh --list
- C. kafka-topics.sh --alter
- D. kafka-topics.sh - describe
Answer: D
NEW QUESTION 47
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. 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
- B. Solr user group, Solr admin role and Super group users can access Solr Admin UI
- C. Click Cloud to view the distribution and status of each ShardReplica under each Collection
- D. Click Tree under Cloud to view metadata information such as Collections, configuration sets and live_nodes in Solr Cloud
Answer: A,B,C,D
NEW QUESTION 48
For the design principles of HBase rowkey, which of the following descriptions is correct? (multiple choice)
- A. The attribute value with high access weight is placed in front of RowKey
- B. Attribute values with good dispersion are placed in the second half of Rowkey
- C. The attribute value with good dispersion is placed in the first half of Rowkey
- D. The attribute value with high access weight is placed in the second half of Rowkey
Answer: A,C
NEW QUESTION 49
In the MapReduce development framework, what is the function of the InputFormat class?
- A. Combine key-value pairs with the same key value in the result of the map phase
- B. Split the input data into individual splits, and further split the split into <key, value> pairs, which are then used as the input of the map function
- C. Sort and merge the results of the map stage
- D. Combine the results of all map stages to get the final result
Answer: B
NEW QUESTION 50
For the HBase component of the FusionInsight HD platform, what attributes of the secondary index need to be defined when adding a secondary index? (multiple choice)
- A. Index column type
- B. The name of the column family to which the index column belongs
- C. Index column
- D. Index name
Answer: A,B,C,D
NEW QUESTION 51
In FusionInsight HD, which method of the OozieClient class will be called by the JAVA API of the Oozie client when running tasks?
- A. run
- B. submit
- C. suspend
- D. getJobInfo
Answer: A
NEW QUESTION 52
Set the data block storage size to 128M. When the HDFS client writes a file, when writing a 100M file, how much storage space is actually occupied?
- A. 100M
- B. 64M
- C. 50M
- D. 128M
Answer: A
NEW QUESTION 53
When the HDFS client writes files with N copies, which of the following is correct about the writing process? (multiple choice)
- A. Each DataNode can store at most 1 copy.
- B. Support multiple users to write to the same file at the same time.
- C. The first copy of the data block is prioritized on the node where the client writing the data block is located.
- D. The copied file blocks are all stored on the same rack by default.
Answer: A,C
NEW QUESTION 54
To create a table through HBase's createTable method, what parameters must be passed in?
- A. Can be empty
- B. Table names and columns
- C. Table name and column family
- D. Table name
Answer: C
NEW QUESTION 55
In HBase application development, when the Rowkey range and distribution of a table are known, it is recommended to pre-divide regions. After calling the following code (fragment) to pre-divide a table into regions, this table will create several regions.
//Create a table of pre-partitioned regions
byte[][] splits=new byte[4][];
splits[0] = Bytes.toBytes("A");
splits[1] = Bytes.toBytes("H");
splits[2] = Bytes.toBytes("O");
splits[3] = Bytes.toBytes("U");
admin.createTable (htd, splits);
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 56
In the FusionInsight HD cluster, regarding the kinit operation command, which of the following statements are wrong? (multiple choice)
- A. Only machine-to-machine accounts can be used.
- B. A client does not support simultaneous use of multiple accounts.
- C. Only human-machine accounts can be used.
- D. The ticket obtained by executing this command will time out after 24 hours. You need to execute the kinit command again to log in again.
Answer: A,B,C
NEW QUESTION 57
In Kafka, the Producer can ensure that the data is sent in order by configuring the synchronization parameters (producer.type).
- A. True
- B. False
Answer: A
NEW QUESTION 58
In the online log query solution, stream processing is used to complete the calculation. During the entire calculation process, intermediate calculation results need to be temporarily stored. Which of the following components is suitable for storing intermediate calculation results? (multiple choice)
- A. HDfS
- B. Kafka
- C. HBase
- D. Redis
Answer: B,D
NEW QUESTION 59
In which of the following is the MapReduce task finally executed?
- A. ResourceManager
- B. NodeManager
- C. container
- D. AppMaster
Answer: C
NEW QUESTION 60
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. False
- B. True
Answer: A
NEW QUESTION 61
On the client of FusionInsight HD, execute the kinit {account} command to get what item of KDC?
- A. TGT
- B. jaas.conf
- C. Krb5.conf
- D. ST
Answer: A
NEW QUESTION 62
In FusionInsight HD, which of the following parameters of the Hive client are used to control reduce concurrency? (multiple choice)
- A. hive.exec-ducers.max
- B. hive.exec.max.dynamic.partitions.pernode
- C. hive.exec.max.dynamic.partitions
- D. hive.exec.reducers.bytes.per.reducer
Answer: A,D
NEW QUESTION 63
......
H13-723-ENU certification dumps - Huawei Other Certification H13-723-ENU guides - 100% valid: https://www.validvce.com/H13-723-ENU-exam-collection.html
