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Programming quizzes and knowledge tests Short quizzes on programming, logic and computer science. Test and improve your coding knowledge. Join 👉 https://rebrand.ly/bigdatachannels DMCA: @disclosure_bds Contact: @mldatascientist
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In a distributed system, what is the main purpose of a message queue such as RabbitMQ or Kafka?
A device has an IPv4 address of 192.168.1.25/24. Which address is the network address?
What does a Python function return if it reaches the end without encountering a return statement?
Which approach is most appropriate for preventing a single database from becoming a bottleneck when read traffic grows significantly?
Which technique is commonly used to distribute incoming requests across multiple servers?
Which practice most directly reduces the risk of SQL injection in an application?
Which protocol is primarily responsible for translating domain names such as example.com into IP addresses?
How does @staticmethod differ from @classmethod in Python?
What is a common reason to introduce a circuit breaker pattern between services?
What does the spread operator do when used on an object, like {...obj}?
Why is idempotent design particularly important with at-least-once delivery message queues?
What is a common cause of an N+1 query problem in an application using an ORM?
What is the time complexity of this function, and why does it differ from naive recursive Fibonacci?
Topic: Data Structures & Algorithms
🔍 Quick look before the question:
def mystery(n, memo={}):
if n in memo:
return memo[n]
if n <= 1:
return n
memo[n] = mystery(n-1, memo) + mystery(n-2, memo)
return memo[n]
print(mystery(30))What is the main goal of the Liskov Substitution Principle?
