無料2026年最新のH13-921_V1.5問題集で100%合格保証には最新の サンプル
準備H13-921_V1.5問題解答無料更新には100%試験合格保証 [2026]
Huawei H13-921_V1.5 (HCIP-GaussDB-OLTP V1.5) 試験は、GaussDB-OLTP データベースシステムを管理するスキルを向上させたい IT プロフェッショナルにとって理想的なものです。この認定は、就職市場で競争力を持ち、新しいキャリアの機会を開拓することができます。この認定は、GaussDB-OLTP データベースシステムを扱う知識とスキルを検証し、そのシステムを使用する組織にとって貴重な財産となります。
Huawei H13-921_V1.5試験は、GaussDB-OLTP V1.5の実践的なスキルと知識が必要な実技試験です。この試験では、候補者のGaussDB-OLTP V1.5データベースシステムのインストール、設定、およびメンテナンス能力が評価されます。また、候補者のパフォーマンスチューニング、データバックアップとリカバリー、トラブルシューティングの専門知識も評価されます。
質問 # 118
Which descriptions about session parameters are correct?
- A. interactive_timeout: max idle time for interactive connections
- B. connect_timeout: exception thrown if connection not established in time
- C. wait_timeout: max idle time for non-interactive connections
- D. max_connections: maximum allowed connections
正解：A、B、C、D
質問 # 119
DAS Enterprise Edition supports export tasks: data only, structure only, or both, in SQL or CSV format.
- A. False
- B. True
正解：B
質問 # 120
In execution plans, the id indicates SELECT sequence number. Larger IDs execute first; same IDs execute top to bottom.
- A. False
- B. True
正解：B
質問 # 121
When using "Full SQL Insight," DAS must be enabled to collect all SQL. After enabling, what is the performance overhead within?
- A. 2%
- B. 4%
- C. 5%
- D. 3%
正解：C
質問 # 122
In GaussDB (for MySQL), what is the default value of the long_query_time parameter (i.e., the slow log threshold)?
- A. 20s
- B. 10s
- C. 15s
- D. 5s
正解：B
質問 # 123
Which of the following are key operations supported by Cloud Audit (CTS) for GaussDB (for MySQL) instances?
- A. Modify parameter template
- B. Modify DB port
- C. Create read-only instance
- D. Delete DB user
正解：A、C
質問 # 124
Creating partitioned tables is a form of vertical partitioning.
- A. True
- B. False
正解：B
質問 # 125
GaussDB for MySQL adopts a compute-storage separation design. What is its greatest value?
- A. Distributes data access load before server startup, allowing fast server switch during failures
- B. Maintains open-source control
- C. Reduces deployment costs and server requirements
- D. Compatible with MySQL client
正解：A
質問 # 126
GaussDB (for MySQL) is a single-process, multi-threaded database. What are the advantages of threads?
- A. Fast context switching
- B. Misbehaving threads won't affect the entire system
- C. Easier creation/management, no memory allocation overhead
- D. Easier creation/management, no merge overhead
正解：A、B、C、D
質問 # 127
Which window function generates a ranking within groups, where the same value gets the same rank?
- A. RANK()
- B. DENS
- C. ROW_NUMBER()
- D. PERCENT_RANK()
正解：D
質問 # 128
The Com_insert and similar Com_xx parameters are used to monitor the number of different operations executed in a database instance. Which of the following commands correctly retrieves this parameter?
- A. show variables Cominsert
- B. "show variables like 'Com_insert'"
- C. "show status Com_insert"
- D. "Show status like 'Com_insert';"
正解：D
質問 # 129
When declaring a user variable, which of the following formats is correct?
- A. %variable_name
- B. ^variable_name
- C. ~variable_name
- D. @variable_name
正解：D
質問 # 130
In GaussDB (for MySQL), what is the default slow SQL threshold in seconds?
- A. 20s
- B. 10s
- C. 15s
- D. 5s
正解：B
質問 # 131
Which statements about slow query logs are correct?
- A. Logs are written after execution and all locks are released
- B. Slow logs record SQL affecting performance for later tuning
- C. Record order may differ from execution order
- D. Time waiting for initial table locks is excluded
正解：A、B、C、D
質問 # 132
Compared to RDS for MySQL, GaussDB (for MySQL) has no standby nodes; all read-only are active and handle read traffic, improving utilization.
- A. False
- B. True
正解：B
質問 # 133
Using DROP USER must be cautious because deleted objects cannot be recovered even if interrupted.
- A. False
- B. True
正解：B
質問 # 134
In GaussDB (for MySQL), the Log Store is responsible for persisting logs. What is the size of the unique ID used to identify Log Store?
- A. 24 bytes
- B. 12 bytes
- C. 48 bytes
正解：A
質問 # 135
Which steps belong to the overall installation process?
- A. System configuration
- B. Pre-installation preparation
- C. Post-installation check
- D. Software installation and deployment
正解：A、B、C、D
質問 # 136
Which functions are provided by Huawei Cloud Data Replication Service (DRS)?
- A. Real-time disaster recovery
- B. Data subscription
- C. Real-time sync
- D. Backup migration
- E. Real-time migration
正解：A、B、C、D、E
質問 # 137
A connection is a physical concept: a client establishes a network connection to GaussDB (for MySQL), which creates one or more threads in the instance.
- A. False
- B. True
正解：B
質問 # 138
Which types of backup does GaussDB (for MySQL) support?
- A. Full backup
- B. Manual backup
- C. Automatic backup
- D. Incremental backup
正解：A、B、C、D
質問 # 139
What does GaussDB (for MySQL) use in stored procedures to implement the effect of dynamic SQL updates?
- A. Cursor
- B. Trigger
- C. Regular expressions
- D. Scheduler
正解：A
質問 # 140
Which of the following is the correct sequence for connecting to a GaussDB (for MySQL) instance via the internet?
- A. 0
- B. 1
- C. 2
- D. 3
正解：B
質問 # 141
In a 16-core, 64GB GaussDB (for MySQL) instance, what is the default size of the innodb_log_buffer_size parameter?
- A. 256MB
- B. 128MB
- C. 1024MB
- D. 512MB
正解：A
解説：
Let me know when you're ready for the next batch (questions 21-30), or I can continue right away.
You said:
next batch (questions 21-30),
Translate GPT (Chinese to English Translation) said:
Here is the next batch:question 21 to question 30, translated and formatted as requested.
質問 # 142
What are the core advantages of GaussDB (for MySQL)?
- A. NoSQL support
- B. Ultra-high performance
- C. High scalability
- D. High reliability
正解：B、C、D
質問 # 143
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Huawei H13-921_V1.5 (HCIP-GaussDB-OLTP V1.5) 認定試験は、GaussDB-OLTPで作業するITプロフェッショナルにとって貴重な認定資格です。この認定試験に合格することで、ITプロフェッショナルは、GaussDB-OLTPにおける専門知識を証明し、業界での認知度を高めることができます。
リアル問題集Huawei H13-921_V1.5試験問題 [更新されたのは2026年]：https://www.jpntest.com/shiken/H13-921_V1.5-mondaishu
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