Recall & Review
beginner
What is performance tuning in MongoDB?
Performance tuning in MongoDB means adjusting settings and queries to make the database work faster and use resources better.
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beginner
Why is performance tuning important for databases?
It helps the database respond quickly, handle more users, and use less hardware, saving time and money.
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beginner
How does slow database performance affect users?
Slow performance can make apps lag or freeze, frustrating users and causing them to leave.
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intermediate
What are common ways to improve MongoDB performance?
Use indexes, optimize queries, limit data returned, and monitor resource use.
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beginner
What happens if you ignore performance tuning?
The database may slow down, cost more to run, and fail to support growing users or data.
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Why should you tune MongoDB performance?
✗ Incorrect
Performance tuning helps queries run faster and uses resources efficiently.
Which of these can improve MongoDB query speed?
✗ Incorrect
Indexes help MongoDB find data faster, improving query speed.
What is a risk of poor database performance?
✗ Incorrect
Slow responses frustrate users and hurt app experience.
Which action does NOT help with MongoDB performance tuning?
✗ Incorrect
Adding unnecessary indexes can slow writes and waste resources.
Performance tuning can help a database to:
✗ Incorrect
Tuning helps the database support more users without slowing down.
Explain why performance tuning matters in MongoDB.
Think about how slow or fast responses affect users and costs.
You got /4 concepts.
List common methods to improve MongoDB performance.
Focus on what you can change in queries and database setup.
You got /4 concepts.