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Microservicessystem_design~10 mins

Why each service owns its data in Microservices - Test Your Understanding

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Practice - 5 Tasks
Answer the questions below
1fill in blank
easy

Complete the code to define a microservice that owns its data store.

Microservices
class UserService {
    constructor() {
        this.database = new [1]();
    }
}
Drag options to blanks, or click blank then click option'
AUserDatabase
BSharedDatabase
CGlobalDB
DExternalDB
Attempts:
3 left
💡 Hint
Common Mistakes
Using a shared or global database instead of a service-specific one.
2fill in blank
medium

Complete the sentence to explain why each microservice owns its data.

Microservices
Each microservice owns its data to ensure [1] and avoid tight coupling between services.
Drag options to blanks, or click blank then click option'
Adata redundancy
Bdata consistency
Cdata isolation
Ddata duplication
Attempts:
3 left
💡 Hint
Common Mistakes
Confusing isolation with redundancy or duplication.
3fill in blank
hard

Fix the error in the statement about microservice data ownership.

Microservices
Microservices should share a [1] to keep data synchronized.
Drag options to blanks, or click blank then click option'
Asingle database
Bmessage queue
Ccache layer
Ddistributed ledger
Attempts:
3 left
💡 Hint
Common Mistakes
Assuming shared databases are good for synchronization.
4fill in blank
hard

Fill both blanks to complete the explanation of data ownership benefits.

Microservices
Owning data allows services to [1] independently and [2] failures without affecting others.
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Adeploy
Bscale
Cisolate
Drecover
Attempts:
3 left
💡 Hint
Common Mistakes
Mixing scaling with deployment or recovery.
5fill in blank
hard

Fill all three blanks to complete the microservice data ownership pattern.

Microservices
A microservice owns its [1] to ensure [2], enabling [3] and fault tolerance.
Drag options to blanks, or click blank then click option'
Adata
Bautonomy
Cscalability
Dconsistency
Attempts:
3 left
💡 Hint
Common Mistakes
Confusing consistency with autonomy or scalability.