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H13-921_V1.5 Exam Dumps - HCIP-GaussDB-OLTP V1.5

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Question # 33

Which statements about GaussDB (for MySQL) primary-standby replication are correct?

A.

Read-only nodes use Log

B.

No latency exists between primary and read-only nodes

C.

Read-only nodes replay WAL and read Pages

D.

Primary and read-only share storage

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Question # 34

Which are advantages/features of GaussDB (for MySQL)?

A.

High performance: 7x native MySQL

B.

High scalability: up to 1 primary + 15 standbys, read/write separation, load balancing

C.

Massive storage: up to 128TB capacity

D.

Compute-storage separation: independently scalable resources

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Question # 35

Which of the following is not an object included in a schema?

A.

Table

B.

View

C.

User

D.

Index

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Question # 36

Which of the following is NOT a system built-in user in GaussDB (for MySQL)?

A.

rdsAdmin

B.

rdsRoot

C.

rdsMetric

D.

rdsBackup

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Question # 37

Which of the following descriptions about Hint optimization strategies isincorrect?

A.

JOIN_PREFIX: uses the specified table order as thelastjoin order

B.

JOIN_FIXED_ORDER: uses the FROM clause's table order as the join order

C.

JOIN_ORDER: uses the specified table order as the join order

D.

MAX_EXECUTION_TIME: limits the statement execution time

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Question # 38

What is the impossible return value of SELECT FLOOR(7 + (RAND()*5));?

A.

7

B.

8

C.

11

D.

12

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Question # 39

When creating a GaussDB (for MySQL) instance, system accounts are automatically created. Which of the following are such accounts?

A.

rdsRepl — replication account

B.

rdsAdmin — admin account with superuser privileges

C.

rdsBackup — backup account

D.

rdsMetric — monitoring account

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Question # 40

For multidimensional clue analysis in data security auditing, which clues are supported by Huawei Cloud?

A.

Risk clues

B.

Session clues

C.

Detailed statement clues

D.

User clues

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