Learning Akka (Video 18)

Interactive Video
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Information Technology (IT), Architecture
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University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main distinction between CQRS and the traditional CRUD system?
CQRS combines read and write operations.
CQRS separates read and write operations.
CRUD uses two models for operations.
CRUD separates read and write operations.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary use of persistence queries in CQRS?
To update events in the Journal.
To migrate data from the write side to the query side.
To delete events from the Journal.
To write data to the Journal.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which query type allows you to read events from a specific persistent actor?
Events by tag
Current events by tag
Events by persistence ID
All persistence IDs
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the 'events by tag' query?
To query the Journal for deleted events.
To query events associated with a specific persistence ID.
To query all events tagged with a specific tag.
To query the current state of a persistent actor.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the practical example, which query is used to read events from the account handler persistent actor?
All persistence IDs
Events by tag
Current events by persistence ID
Events by persistence ID
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