Dumps Cafe Huawei-H13-921_V1 5

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HCIP-GaussDB-OLTP
V1.5
Version: Demo
[ Total Questions: 10]
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Huawei
H13-921_V1.5
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Huawei - H13-921_V1.5Pass Exam
1 of 3Verified Solution - 100% Result
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Question #:1
Which of the following is NOT a system built-in user in GaussDB (for MySQL)?
rdsAdmin
rdsRoot
rdsMetric
rdsBackup
Answer: B
Question #:2
Under the performance tab, in which module can users view server uptime, connection information, and 
buffer pool status?
Historical Performance
Real-time Performance
Real-time Diagnostics
Performance Trend Comparison
Answer: B
Question #:3
The frequency of flushing the log from buffer to disk is related to the parameter 
innodb_flush_log_at_trx_commit. If you want to flush the log buffer and write it to disk every time a 
transaction is committed, what should the parameter value be?
1
2
3
Answer: B
Question #:4
Huawei - H13-921_V1.5Pass Exam
2 of 3Verified Solution - 100% Result
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Huawei Cloud's recycle bin policy is enabled by default and cannot be turned off. What is the default 
retention period in days?
4
1
2
3
Answer: B
Question #:5
Which of the following methods cannot be used to view a table's fragmentation rate?
Use the “Space” function in Cloud DBA to clearly view the fragmentation rate
Query information_schema.TABLES and check the data_free value
Query performance_schema.TABLES and check the data_free value
Use the command SHOW TABLE STATUS LIKE 'table_name' and check the data_free value
Answer: C
Question #:6
User sessions correspond to user connection threads — one session equals one connection thread.
True
False
Answer: A
Question #:7
Which statements about SQL execution process are correct?
Connector: manages connections, verifies permissions
Parser: generates execution plan, selects indexes
Executor: operates engine, returns results
Huawei - H13-921_V1.5Pass Exam
3 of 3Verified Solution - 100% Result
D. 
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B. 
A. 
B. 
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D. 
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Storage engine: stores data, provides read/write interface
Answer: A C D
Question #:8
With shared storage, GaussDB (for MySQL) can expand by adding compute nodes, completed within minutes 
regardless of data size.
True
False
Answer: A
Question #:9
Which of the following VPC connection methods can achieve private IP communication between different 
VPCs in the same region?
VPC Peering
Virtual Private Network (VPN)
Elastic Public IP (EIP)
NAT Gateway
Answer: A
Question #:10
When DAS can log into an instance, it is recommended to use Cloud DBA “Emergency Kill Session” to 
terminate sessions.
True
False
Answer: B
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