Patterns

Question 1

Define saga pattern.

Answer 1

A design pattern for managing distributed transactions by breaking them into smaller, manageable steps.

Question 2

True or false: Rate limiting prevents too many requests from overwhelming a service.

Answer 2

TRUE

It helps maintain service availability and performance.

Question 3

What is fan-out/fan-in?

Answer 3

A pattern where a single task is distributed to multiple workers and results are aggregated.

Question 4

Fill in the blank: Cache-first strategy retrieves data from _______ before checking the source.

Answer 4

the cache

Question 5

What does multi-synchronous refer to?

Answer 5

A design pattern where multiple tasks are processed simultaneously, improving performance.

Question 6

Define rate limiting.

Answer 6

A technique to control the number of requests a user can make to a service in a given time.

Question 7

True or false: Saga pattern can only be used for synchronous operations.

Answer 7

FALSE

It can manage both synchronous and asynchronous transactions.

Question 8

What is the purpose of cache-first strategy?

Answer 8

To enhance performance by prioritizing cached data over fetching from the original source.

Question 9

Fill in the blank: In fan-out, tasks are distributed to _______ workers.

Answer 9

multiple

Question 10

What is a key benefit of multi-synchronous processing?

Answer 10

It reduces overall processing time by executing tasks concurrently.