Database and Security BTQuiz

What is Database?

• A collection of software applications

• A structured collection of data organized using a given model

• A series of interconnected files

• A list of web services

How does a relational database organize its data

• In a hierarchical structure

• Stored as unstructured files

• Organized in tables with rows and columns

• In a sequential fashion

What is a query in the context of a database?

• A way to compress database files

• A process to delete all data from the database

• A tool for database backups

• A type of command to qualify areas of the database

What best defines a non-relational database?

• Adheres strictly to the ACID properties

• Not compliant with ACID properties

• Stores data in rows and columns

• Complies with traditional relational models

What does "Atomicity" ensure in a transaction

• Every transaction is completed in a series

• Operations in a transaction either all occur or none occur

• Transactions are isolated from each other

• Committed transactions remain in the system

The following are examples of Relational Database except:

• MySQL

• Microsoft SQL Server

• MongoDB

• PostgreSQL

Which property of ACID guarantees that a consistent transaction will not violate database rules?

• Atomicity

• Consistency

• Isolation

• Durability

What is the purpose of Document Database Service (DDS)?

• Secure data storage for enterprises

• Compatibility with MySQL databases

• Real-time data analysis

• Elastic capacity expansion and disaster recovery

What does Host Security Services (HSS) help with in Huawei Cloud?

• Managing cloud infrastructure

• Identifying and managing server assets, eliminating risks

• Optimizing web page loading times

• Providing cloud-based document management

What role does Web Application Firewall (WAF) play in cloud services?

• Keeps web services stable and secure

• Monitors server health and performance

• Manages database backups

• Provides encryption for data storage