Question Bank

3705 approved questions from the community

Single Page Applications (SPAs) have no disadvantages from a backend perspective.

MEDIUM
TRUE FALSE
25s
Backend
by Mohamed

Database normalization is always necessary and should always be applied.

MEDIUM
TRUE FALSE
30s
Backend
by Mohamed

What is the main advantage of using namespaces?

EASY
SINGLE CHOICE
30s
Backend
by Mohamed

What is the difference between SOA and Microservices?

HARD
SINGLE CHOICE
40s
Backend
by Mohamed

What is the difference between scale-out and scale-up?

MEDIUM
SINGLE CHOICE
35s
Backend
by Mohamed

Why does Event-Driven Architecture improve scalability?

HARD
SINGLE CHOICE
40s
Backend
by Mohamed

How does garbage collection work?

MEDIUM
SINGLE CHOICE
35s
Backend
by Mohamed

What is a memory leak?

EASY
SINGLE CHOICE
30s
Backend
by Mohamed

What is the main difference between Agile and Waterfall methodologies?

MEDIUM
SINGLE CHOICE
35s
Backend
by Mohamed

What is legacy code?

MEDIUM
SINGLE CHOICE
30s
Backend
by Mohamed

What is Agile software development?

EASY
SINGLE CHOICE
30s
Backend
by Mohamed

When would you use asynchronous communication between systems?

MEDIUM
SINGLE CHOICE
35s
Backend
by Mohamed

What is process starvation?

MEDIUM
SINGLE CHOICE
35s
Backend
by Mohamed

What is a deadlock?

MEDIUM
SINGLE CHOICE
35s
Backend
by Mohamed

When would you use a document database like MongoDB instead of a relational database?

MEDIUM
SINGLE CHOICE
35s
Backend
by Mohamed

What does the CAP Theorem state?

HARD
SINGLE CHOICE
45s
Backend
by Mohamed

What is eventual consistency in distributed systems?

MEDIUM
SINGLE CHOICE
35s
Backend
by Mohamed

What is Blue-Green Deployment?

HARD
SINGLE CHOICE
40s
Backend
by Mohamed

What is lazy loading in the context of ORMs?

MEDIUM
SINGLE CHOICE
35s
Backend
by Mohamed

What is the N+1 query problem?

HARD
SINGLE CHOICE
40s
Backend
by Mohamed
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