The Best Valid H13-921_V1.5 Dumps for Helping Passing H13-921_V1.5 Exam!
UPDATED Huawei H13-921_V1.5 Exam Questions & Answer
Huawei H13-921_V1.5 (HCIP-GaussDB-OLTP V1.5) Certification Exam is designed to test an individual's knowledge and skills in operating and maintaining Huawei GaussDB-OLTP databases. H13-921_V1.5 exam is a great opportunity for professionals who want to demonstrate their proficiency in database management and stay ahead of the competition.
NEW QUESTION # 53
Performance can be measured against a baseline. Ideally, what should a performance baseline include?
- A. Operating system statistics
- B. Network statistics
- C. Database statistics
- D. Application statistics
Answer: A,B,C,D
NEW QUESTION # 54
The EXPLAIN command can be used to view the execution plan of SQL statements. In the execution plan, Type indicates the access method to the table. Which of the following is not a valid Type value?
- A. Range
- B. ALL
- C. Full
- D. NULL
Answer: C
NEW QUESTION # 55
Which of the following are common SQL tuning practices?
- A. Minimize use of GROUP BY
- B. Always use SELECT statements
- C. For large data inserts, drop indexes and constraints first
- D. Use LIMIT when querying a single record
Answer: A,C,D
NEW QUESTION # 56
Which strings can the regex 'x?z|food' (simplified from source) match?
- A. zood
- B. z
- C. food
- D. xood
Answer: B,D
NEW QUESTION # 57
Which of the following statements are incorrect?
- A. Slice is independent and max size is 1GB
- B. Log Store uses append-only
- C. Page Store persists Pages and SQL reads pages
- D. Log Store defaults to multi-replica sync
Answer: A,D
NEW QUESTION # 58
Which are advantages/features of GaussDB (for MySQL)?
- A. Compute-storage separation: independently scalable resources
- B. Massive storage: up to 128TB capacity
- C. High scalability: up to 1 primary + 15 standbys, read/write separation, load balancing
- D. High performance: 7x native MySQL
Answer: A,B,C,D
NEW QUESTION # 59
What are the parameter types for stored procedures?
- A. OUT
- B. IN
- C. INOUT
- D. OUTIN
Answer: A,B,C
NEW QUESTION # 60
Which of the following descriptions about GaussDB (for MySQL) CPU and memory expansion isincorrect?
- A. Specification scaling takes effect in 5 minutes
- B. During modification, the virtual machine/container must be stopped and restarted afterward
- C. During new node creation, the old node remains available, and only one switch is needed with second- level service interruption
- D. Directly creates a new specification node to replace the old one
Answer: B
NEW QUESTION # 61
In execution plans, the id indicates SELECT sequence number. Larger IDs execute first; same IDs execute top to bottom.
- A. True
- B. False
Answer: A
NEW QUESTION # 62
GaussDB (for MySQL) automatically backs up incremental changes every 5 minutes after the last backup.
- A. True
- B. False
Answer: A
NEW QUESTION # 63
During SQL execution, which component generates the execution plan?
- A. Parser
- B. Executor
- C. Optimizer
- D. Storage Engine
Answer: C
NEW QUESTION # 64
FETCH retrieves the current cursor row and moves to the next. If already at last row, overflow occurs.
- A. True
- B. False
Answer: A
NEW QUESTION # 65
If private IP cannot connect to GaussDB (for MySQL), bind an Elastic Public IP and connect via ECS or public host.
- A. True
- B. False
Answer: A
NEW QUESTION # 66
Which factors should be considered when designing database objects?
- A. Field types
- B. Proper indexing
- C. Field length
- D. Normalization design
Answer: A,B,C,D
NEW QUESTION # 67
Using DROP USER must be cautious because deleted objects cannot be recovered even if interrupted.
- A. True
- B. False
Answer: A
NEW QUESTION # 68
GaussDB (for MySQL) supports compute-storage separation.
- A. True
- B. False
Answer: A
NEW QUESTION # 69
When executing stored procedures, which end delimiters are allowed?
- A. Using newline as delimiter
- B. Using /
- C. Using / and ;
- D. Using ;
Answer: B,D
NEW QUESTION # 70
Which statements about SQL execution process are correct?
- A. Parser: generates execution plan, selects indexes
- B. Storage engine: stores data, provides read/write interface
- C. Connector: manages connections, verifies permissions
- D. Executor: operates engine, returns results
Answer: B,C,D
NEW QUESTION # 71
The parameter max_user_connections can limit user connections per instance, and can differ per user.
- A. False
- B. True
Answer: A
NEW QUESTION # 72
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Huawei H13-921_V1.5 (HCIP-GaussDB-OLTP V1.5) Certification Exam is designed for IT professionals who are seeking to validate their knowledge and skills in the field of GaussDB-OLTP database. HCIP-GaussDB-OLTP V1.5 certification exam is a great opportunity for individuals who aspire to become experts in the management and administration of databases in the IT industry. H13-921_V1.5 exam is a comprehensive assessment of the candidate's understanding of GaussDB-OLTP architecture, installation, configuration, and maintenance.
Huawei H13-921_V1.5 (HCIP-GaussDB-OLTP V1.5) Exam is a certification exam that is designed to test the skills and knowledge of IT professionals who work with GaussDB-OLTP, which is a high-performance online transaction processing database system. Passing H13-921_V1.5 exam demonstrates an individual's ability to install, configure, and manage GaussDB-OLTP systems, as well as their proficiency in monitoring, optimizing, and troubleshooting database performance issues.
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