Practice Free DP-900 Exam Online Questions

Explanation:

Box 1: Yes

Like IaaS, PaaS includes infrastructure C servers, storage, and networking C but also middleware, development tools, business intelligence (BI) services, database management systems, and more. PaaS is designed to support the complete web application lifecycle: building, testing, deploying, managing, and updating.

PaaS allows you to avoid the expense and complexity of buying and managing software licenses, the underlying application infrastructure and middleware, container orchestrators such as Kubernetes, or

the development tools and other resources

Box 2: Yes

You manage the applications and services you develop, and the cloud service provider typically manages everything else.

Box 3: No

There really is no way to pause / stop billing for your Azure SQL Database.

Microsoft’s official answer "Yes, you can export your database. Delete the Azure SQL database and that will pause billing. Then when you need it you can create a new database and import your previously exported DB."

Reference:

https://azure.microsoft.com/en-us/overview/what-is-paas

https://feedback.azure.com/forums/217321-sql-database/suggestions/6931152-please-add-ability-to-temporarily-turn-off-on-sql

Explanation:

Reference: https://docs.microsoft.com/en-us/azure/cosmos-db/create-graph-gremlin-console

Explanation:

Disadvantages of non-relational databases include: Data Consistency ― non-relational databases do not perform ACID transactions.

Note: Relational databases are optimized for writes. They are optimized for consistency and availability. Advantages of relational databases include simplicity, ease of data retrieval, data integrity, and flexibility.

Incorrect Answers:

Use a relational database when data that you work with is structured, and the structure is not subject to frequent changes.

Use Cloud storage (no relational database) for geographically distributed writes.

Reference: https://towardsdatascience.com/choosing-the-right-database-c45cd3a28f77