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Huawei HCIP-Big Data Developer V1.0 Sample Questions:
1. 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) 6
B) 4
C) 5
D) 3
2. An application needs to interact with two FusionInsight clusters at the same time: it needs to access both the HBase service of cluster 1 and the Hive service of cluster 2;
So which of the following operations are necessary? (multiple choice)
A) Create the account required for this application on cluster 1, and set this account to access the HBase service of the cluster
B) Cluster 1 and cluster 2 complete mutual trust operation
C) Create an account with the same name in option A on cluster 2, and set this account to access the Hive service of this cluster
D) The accounts created by option A and option B must belong to the supergroup group
3. What are the several parameter setting methods for Spark applications? (multiple choices)
A) Configure in the application configuration file spark-defaults.conf
B) In the application code, set through the SparkConf object
C) When submitting the application, set it through --conf
D) In the application code, set by the setProperty method of SparkContext
4. On the client of FusionInsight HD, execute the kinit {account} command to get what item of KDC?
A) TGT
B) Krb5.conf
C) ST
D) jaas.conf
5. 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) Create an input stream
C) Create an output stream
D) Application submission statement
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A,B,C | Question # 3 Answer: A,B,C | Question # 4 Answer: A | Question # 5 Answer: A,B,C,D |
