Q1medium
(Calculation / Logic) A system has a "Four Nines" (99.99%) SLA. How much downtime is allowed per month (approx. 30 days)?
Back to Problem Solving & Analytical Skills
20 Questions Total
Real-World Problem Solving MCQs
Topic-wise practice questions for Problem Solving & Analytical Skills. Test your knowledge, check solutions on demand, and pace your preparation.
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Practice in Timed ModeQ2medium
When comparing **Microservices** to **Monolithic** architecture, what is a major "Real-World" disadvantage of Microservices?
Q3medium
A banking system requires that if a database update fails halfway through a transfer, the entire transaction must be undone to prevent money from "vanishing." This property is known as:
Q4medium
A mobile app developer is choosing between Native (Swift/Kotlin) and Cross-Platform (Flutter/React Native). The budget is small, and they need to launch on both iOS and Android in 2 months. What is the logical choice?
Q5medium
In a cloud environment, what is the difference between PaaS (Platform as a Service) and IaaS (Infrastructure as a Service)?
Q6medium
A news website experiences a "Slashdot Effect" (a massive, unexpected surge in traffic). The database CPU hits 100% and the site stops loading. The fastest temporary "Real-World" fix to keep the site alive is:
Q7medium
A video streaming app works perfectly for 100 users, but for 10,000 users, the video starts buffering constantly. This problem is most likely a failure of:
Q8medium
Your server is in the US, but your users are in Pakistan. They complain the site feels "heavy" and slow. What is the most effective way to solve this "Real- World" problem?
Q9medium
An e-commerce site crashes every time they try to update the "Checkout" code. To solve this, they set up an identical second server environment. They update the inactive one, test it, and then flip a switch to send all traffic there. This is:
Q10easy
What is the purpose of a **"Post-Mortem"** meeting after a major system outage?