[Oct-2021] Dumps Brief Outline Of The ACA-Database Exam - NewPassLeader
ACA-Database Training & Certification Get Latest Alibaba Database
NEW QUESTION 18
If you have a development team with several developers working on cloud databases, which product is recommended to use for development collaboration?
- A. DTS
- B. DBS
- C. DG
- D. DMS
- E. DAS
Answer: D
Explanation:
Explanation
A series of step-based solutions for R&D processes, data security, and data development are provided in the Data Management (DMS) console to get you started with DMS.
https://www.alibabacloud.com/help/doc-detail/190124.htm?spm=a2c63.p38356.b99.40.6ad93d19Xe9h14
NEW QUESTION 19
lf Oracle databases need to be migrated to Alibaba Cloud, which of the following product solutions :an be recommended? (Number of correct answers: 3)
- A. Use Advanced Database & Application Migration (ADAM) to evaluate the migration project.
- B. Use Data Transmission Service (DTS) to migrate data.
- C. Use PolarDB-0 that is highly compatible with Oracle.
- D. Use ApsaraDB for Redis as a cache service to provide acceleration capabilities.
Answer: A,B,C
NEW QUESTION 20
Which of the following features determines high performance of the performance-enhanced instances of ApsaraDB for Redis Enhanced Edition (Tair)?
- A. Extended data structure modules
- B. Data flashback
- C. Multithreading
- D. Global Replica
Answer: D
NEW QUESTION 21
PolarDB for MySQL allows you to deploy a cluster across multiple zones. Compared with single-zone clusters, multi-zone clusters have better disaster recovery capabilities and can withstand data centre-level faults.
- A. True
- B. False
Answer: A
NEW QUESTION 22
What is the maximum storage size that PolarDB currently provides?
- A. 100TB
- B. 50TB
- C. 1TB
- D. 10TB
Answer: A
Explanation:
Explanation
Each PolarDB cluster supports to scale up to 100 TB. https://www.alibabacloud.com/product/polardb
NEW QUESTION 23
Which of the following statements about the compatibility of AnalyticDB for PostgreSQL is NOT true?
- A. Fully compatible with Oracle syntax
- B. Compliance with PostgreSQL and Greenplum protocols
- C. Support for the Java Database Connectivity (JDBC) protocol
- D. Support for the SQL2003 syntax standard
Answer: A
NEW QUESTION 24
Which of the following are the advantages of cloud databases over self-managed databases? (Number of correct answers: 3)
- A. Integrated operations and maintenance (O&M), as well as easier management
- B. High availability and comprehensive backup and monitoring capabilities
- C. Stronger service level agreement (SLA)
- D. High costs
Answer: A,B,C
NEW QUESTION 25
Which of the following statements about Alibaba Cloud ApsaraDB for MongoDB is true?
- A. Alibaba Cloud and MongoDB have a strategic partnership, so Alibaba Cloud Is able to provide the latest MongoDB features in our ApsaraDB for MongoDB product, in all our global regions.
- B. It takes a longer time to perform operations and maintenance (O&M) on ApsaraDB for MongoDB instances than on self-installed and self-managed MongoDB.
- C. DataWorks is not supported for MongoDB data processing.
Answer: A
NEW QUESTION 26
Which of the following is the most efficient backup in ApsaraDB for MongoDB?
- A. Logical backup
- B. Physical backup
- C. Full backup
- D. Snapshot backup
Answer: B
NEW QUESTION 27
Which of the following is not a component of the PolarDB-0 architecture in Apsara Stack?
- A. FC Switch
- B. SAN
- C. RDMA
- D. Proxy
Answer: B
NEW QUESTION 28
Which of the following are relational databases? (Number of correct answers: 5)
- A. PostgreSQL
- B. TSDB
- C. MariaDB
- D. SQL Server
- E. Oracle
- F. MySQL
- G. Redis
- H. HBase
- I. MongoDB
Answer: A,C,D,E,F
NEW QUESTION 29
Which of the following statements about Data Management (DMS) permissions management is NOT true?
- A. You cannot directly submit changes even if you have permissions to make changes.
- B. You must create different database accounts for each Alibaba Cloud account.
- C. The permissions of the accounts of resigned or transferred personnel can be automatically managed by using OpenAPI.
- D. You can assign different resources and operation permissions to an Alibaba Cloud account as needed.
Answer: A
NEW QUESTION 30
You have a client that wants to move from another cloud provider's database service to RDS. Which of these is the best way to move their database to Alibaba Cloud?
- A. This type of migration isn't possible
- B. Use DTS (Data Transmission Service)
- C. Make a full physical backup of their database and copy it into OSS
- D. Migrate the entire VM hosting the database
Answer: B
NEW QUESTION 31
Which of the following architectures are supported by ApsaraDB for Redis Enhanced Edition (Tair)? (Number of correct answers: 3)
- A. Single-node architecture
- B. Cluster master-replica instances
- C. Read/write splitting architecture in which standard master-replica instances are deployed
- D. Master-replica architecture in which standard master-replica instances are deployed
Answer: B,C,D
NEW QUESTION 32
Which of the following types of data are most suitable for storage in MySQL databases?
- A. Structured data in rows and columns
- B. Large amounts of time series data
- C. Document-oriented unstructured data
- D. Key-value (KV) data that is frequently read and written
Answer: A
NEW QUESTION 33
PolarDB for MySQL uses shared distributed storage and supports dual-zone deployment by default. How many data replicas are available across the two zones?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 34
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