Microsoft Dp 420 Cloud Native Applications Cosmos Db Practice Test - Set 1

Test your knowledge with this Microsoft Dp 420 Cloud Native Applications Cosmos Db mock exam. Get real-world IT questions and prepare for certification success.

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Exam Information

Exam Code

Microsoft Dp 420 Cloud Native Applications Cosmos Db

Exam Title

Unknown Exam

Vendor

Microsoft

Difficulty

Varies

Duration

Varies

Question Format

Multiple Choice

Last Updated

February 25, 2025

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1. Which consistency model in Azure Cosmos DB offers the highest availability but eventual consistency?

Eventual
Strong
Bounded Staleness
Session

2. Which API is used for querying and managing data in Azure Cosmos DB with a NoSQL approach?

SQL API
Gremlin API
MongoDB API
Cassandra API

3. What is the primary purpose of Azure Cosmos DB?

Globally distributed NoSQL database
Data integration
Data warehousing
Real-time data processing

4. Which consistency model in Azure Cosmos DB provides the strongest consistency guarantees?

Strong
Eventual
Bounded Staleness
Session

5. What is the primary function of Azure Cosmos DB's Partition Key?

Distribute data across partitions for scalability
Encrypt data at rest
Monitor query performance
Manage consistency levels

6. Which API in Azure Cosmos DB is used for graph data?

Gremlin API
SQL API
MongoDB API
Cassandra API

7. What is the primary purpose of Azure Cosmos DB's Time-to-Live (TTL) feature?

Automatically expire data after a set time
Encrypt data at rest
Monitor query performance
Manage consistency levels

8. Which API in Azure Cosmos DB is compatible with MongoDB?

MongoDB API
SQL API
Gremlin API
Cassandra API

9. What is the primary function of Azure Cosmos DB's Change Feed?

Track and process changes to data
Encrypt data at rest
Monitor query performance
Manage consistency levels

10. Which API in Azure Cosmos DB is compatible with Cassandra?

Cassandra API
SQL API
Gremlin API
MongoDB API

11. What is the primary purpose of Azure Cosmos DB's Autoscale feature?

Automatically scale throughput based on demand
Encrypt data at rest
Monitor query performance
Manage consistency levels

12. Which API in Azure Cosmos DB is used for document-based data?

SQL API
Gremlin API
MongoDB API
Cassandra API

13. What is the primary function of Azure Cosmos DB's Multi-Region Writes?

Enable writes to multiple regions simultaneously
Encrypt data at rest
Monitor query performance
Manage consistency levels

14. Which API in Azure Cosmos DB is used for table-based data?

Table API
SQL API
Gremlin API
MongoDB API

15. What is the primary purpose of Azure Cosmos DB's Analytical Store?

Enable real-time analytics on operational data
Encrypt data at rest
Monitor query performance
Manage consistency levels

16. Which API in Azure Cosmos DB is used for key-value data?

Table API
SQL API
Gremlin API
MongoDB API

17. What is the primary function of Azure Cosmos DB's Indexing Policy?

Define how data is indexed for queries
Encrypt data at rest
Monitor query performance
Manage consistency levels

18. Which API in Azure Cosmos DB is used for column-family data?

Cassandra API
SQL API
Gremlin API
MongoDB API

19. What is the primary purpose of Azure Cosmos DB's Serverless mode?

Pay only for consumed resources
Encrypt data at rest
Monitor query performance
Manage consistency levels

20. Which API in Azure Cosmos DB is used for relational data?

SQL API
Gremlin API
MongoDB API
Cassandra API

21. What is the maximum number of regions supported for global distribution in Cosmos DB?

Unlimited
30
10
5

22. Which indexing policy mode automatically indexes all document properties?

Consistent
Lazy
None
Manual

23. What is the maximum request unit (RU) limit for Cosmos DB Autoscale?

Unlimited
10,000 RU/s
100,000 RU/s
1,000,000 RU/s

24. Which feature enables conflict resolution in multi-region writes?

Conflict Resolution Policy
Consistency Level
Partition Key
Change Feed

25. What is the maximum document size in Cosmos DB?

2 MB
1 MB
5 MB
10 MB

26. Which query type is most efficient for point lookups in Cosmos DB?

ReadItemAsync
Query
ReadAllItems
Cross-partition query

27. What is the maximum number of composite indexes per container?

Unlimited
10
50
100

28. Which SDK feature improves read performance in Cosmos DB?

Direct Mode
Gateway Mode
Bulk Executor
Change Feed

29. What is the maximum TTL value for automatic data expiration?

Unlimited
1 year
10 years
100 days

30. Which feature enables integration with Azure Machine Learning?

Synapse Link
Change Feed
Analytical Store
MongoDB API

31. What is the maximum number of unique partition keys per container?

Unlimited
10,000
1 million
1 billion

32. Which consistency level provides the lowest latency?

Eventual
Strong
Bounded Staleness
Session

33. What is the maximum request unit (RU) consumption per second in Serverless mode?

Unlimited
5,000 RU/s
10,000 RU/s
50,000 RU/s

34. Which feature enables full-text search in Cosmos DB?

Azure Cognitive Search
SQL API
MongoDB API
Gremlin API

35. What is the maximum number of stored procedures per container?

Unlimited
100
500
1000

36. Which feature enables data replication across regions?

Multi-region Writes
Analytical Store
Change Feed
Time-to-Live

37. What is the maximum backup retention period for Continuous Backup?

30 days
7 days
1 year
Unlimited

38. Which protocol is used by the Cassandra API in Cosmos DB?

CQL
SQL
Gremlin
MongoDB Wire Protocol

39. What is the maximum number of unique indexes per container?

Unlimited
10
50
100

40. Which feature enables real-time analytics on operational data?

Analytical Store
Change Feed
Time-to-Live
Autoscale

41. Which Cosmos DB feature enables automatic indexing of spatial data types?

Spatial Index
Composite Index
Range Index
Full-text Index

42. What is the maximum number of partition keys that can be specified in a composite index?

8
4
16
Unlimited

43. Which Cosmos DB API provides the lowest latency for point read operations?

All APIs provide equivalent latency
SQL API
MongoDB API
Cassandra API

44. What is the maximum number of operations per second supported by a single logical partition?

10,000 RU/s
5,000 RU/s
1,000 RU/s
Unlimited

45. Which Cosmos DB feature enables you to track all changes to documents in a container?

Change Feed
Analytical Store
Time-to-Live
Conflict Resolution

46. What is the maximum number of Azure regions that can be added to a Cosmos DB account?

Unlimited
50
100
200

47. Which consistency level provides single-region write latency with global read scalability?

Session
Strong
Bounded Staleness
Eventual

48. What is the maximum size of a stored procedure in Cosmos DB?

500 KB
1 MB
5 MB
Unlimited

49. Which Cosmos DB feature enables you to perform bulk operations efficiently?

Bulk Executor Library
Change Feed Processor
Cosmos DB Spark Connector
Azure Functions Trigger

50. What is the maximum number of unique constraints that can be defined per container?

Unlimited
10
50
100

51. Which Cosmos DB API supports the widest range of consistency levels?

All APIs support the same consistency levels
SQL API
MongoDB API
Cassandra API

52. What is the maximum number of operations that can be included in a single transaction in Cosmos DB?

100
50
500
Unlimited

53. Which Cosmos DB feature enables you to configure custom conflict resolution logic?

Conflict Resolution Policy
Change Feed
Time-to-Live
Analytical Store

54. What is the maximum number of partition keys that can be included in a single query?

Unlimited
10
100
1,000

55. Which Cosmos DB API provides native support for GraphQL?

None - All require additional libraries
SQL API
MongoDB API
Gremlin API

56. What is the maximum number of retries the Cosmos DB SDK will attempt for throttled requests?

9
3
5
Unlimited

57. Which Cosmos DB feature enables you to archive data to cold storage automatically?

Time-to-Live
Change Feed
Analytical Store
Backup Policy

58. What is the maximum number of containers that can be created in a single Cosmos DB account?

Unlimited
500
1,000
5,000

59. Which Cosmos DB API provides the most comprehensive SQL query capabilities?

SQL API
MongoDB API
Cassandra API
Table API

60. What is the maximum number of user-defined functions that can be created per container?

Unlimited
50
100
500

The Microsoft Dp 420 Cloud Native Applications Cosmos Db certification is a globally recognized credential for IT professionals. This practice test helps you prepare by covering key topics like hardware, networking, troubleshooting, and security.

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