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Huawei HCIA-Big Data V3.5 Sample Questions:

1. The Fusioninsight HD cluster planned by a bank has 90 nodes. If three control nodes are planned, it is recommended to plan () data nodes in the cluster.

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

2. "Group by" in Hive refers to dividing a data set into several small data sets through certain rules, and then grouping data for several small data sets.

A) True
B) False

3. Multi-choice Hive components can support multiple interfaces, which of the following interfaces is not supported? (Multiple choice)

A) JDBC
B) ODBC
C) Beeline
D) Restful

4. In Huawei's big data solution, LadpServer is used as a directory service system, which can realize centralized management of accounts on the big data platform. Which of the following statement about LdapServer is correct?

A) LdapServer is implemented based on OpenLDAP open source technology.
B) LdapServer uses Berkelay DB as the default backend database.
C) LdapServer is a specific open source implementation based on the LDAP standard protocol.
D) LdapServer supports TCP/IP protocol.

5. Synchronize data between partition replication in Kafka. Copying data from the leader of the partition to the follower requires a thread (replicationFetcherThread), and the follower (a follower is equivalent to a consumer) actively pulls messages from the leader in batches, which greatly improves the throughput.

A) True
B) False

Solutions: