Public task directory

Technical interview practice tasks

Every entry below is a crawlable link to a unique public task page. This directory complements the interactive filters and keeps the complete catalog connected through standard pagination.

Page 85 of 386 · 18,491 tasks

Knowledge Check · Easy · 1 min

What is the main purpose of Retry budget in backend reliability

What is the main purpose of Retry budget in backend reliability?

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Knowledge Check · Easy · 1 min

What is the main purpose of Health probe in backend reliability

What is the main purpose of Health probe in backend reliability?

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Knowledge Check · Easy · 1 min

What is the main purpose of Graceful shutdown in backend reliability

What is the main purpose of Graceful shutdown in backend reliability?

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Knowledge Check · Hard · 1 min

While reviewing backend reliability, a child request outlives its parent timeout. Which action fixes it, and which check proves it worked

While reviewing backend reliability, a child request outlives its parent timeout. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing backend reliability, retries triple load on an unhealthy service. Which action fixes it, and which check proves it worked

While reviewing backend reliability, retries triple load on an unhealthy service. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing backend reliability, a process runs but cannot reach required storage. Which action fixes it, and which check proves it worked

While reviewing backend reliability, a process runs but cannot reach required storage. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing backend reliability, deployments terminate active requests abruptly. Which action fixes it, and which check proves it worked

While reviewing backend reliability, deployments terminate active requests abruptly. Which action fixes it, and which check proves it worked?

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Knowledge Check · Medium · 1 min

While reviewing backend reliability, a child request outlives its parent timeout. Which action best addresses the problem

While reviewing backend reliability, a child request outlives its parent timeout. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing backend reliability, retries triple load on an unhealthy service. Which action best addresses the problem

While reviewing backend reliability, retries triple load on an unhealthy service. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing backend reliability, a process runs but cannot reach required storage. Which action best addresses the problem

While reviewing backend reliability, a process runs but cannot reach required storage. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing backend reliability, deployments terminate active requests abruptly. Which action best addresses the problem

While reviewing backend reliability, deployments terminate active requests abruptly. Which action best addresses the problem?

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Knowledge Check · Easy · 1 min

What is the main purpose of Parameterized query in backend security

What is the main purpose of Parameterized query in backend security?

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Knowledge Check · Easy · 1 min

What is the main purpose of SSRF defense in backend security

What is the main purpose of SSRF defense in backend security?

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Knowledge Check · Easy · 1 min

What is the main purpose of Password hashing in backend security

What is the main purpose of Password hashing in backend security?

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Knowledge Check · Easy · 1 min

What is the main purpose of Security header in backend security

What is the main purpose of Security header in backend security?

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Knowledge Check · Hard · 1 min

While reviewing backend security, a search value contains SQL operators. Which action fixes it, and which check proves it worked

While reviewing backend security, a search value contains SQL operators. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing backend security, an import endpoint fetches arbitrary URLs. Which action fixes it, and which check proves it worked

While reviewing backend security, an import endpoint fetches arbitrary URLs. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing backend security, a credential table stores fast unsalted hashes. Which action fixes it, and which check proves it worked

While reviewing backend security, a credential table stores fast unsalted hashes. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing backend security, sensitive pages can be framed by another site. Which action fixes it, and which check proves it worked

While reviewing backend security, sensitive pages can be framed by another site. Which action fixes it, and which check proves it worked?

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Knowledge Check · Medium · 1 min

While reviewing backend security, a search value contains SQL operators. Which action best addresses the problem

While reviewing backend security, a search value contains SQL operators. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing backend security, an import endpoint fetches arbitrary URLs. Which action best addresses the problem

While reviewing backend security, an import endpoint fetches arbitrary URLs. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing backend security, a credential table stores fast unsalted hashes. Which action best addresses the problem

While reviewing backend security, a credential table stores fast unsalted hashes. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing backend security, sensitive pages can be framed by another site. Which action best addresses the problem

While reviewing backend security, sensitive pages can be framed by another site. Which action best addresses the problem?

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Knowledge Check · Easy · 1 min

What is the main purpose of Service unit test in backend testing

What is the main purpose of Service unit test in backend testing?

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Knowledge Check · Easy · 1 min

What is the main purpose of Database integration in backend testing

What is the main purpose of Database integration in backend testing?

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Knowledge Check · Easy · 1 min

What is the main purpose of API contract test in backend testing

What is the main purpose of API contract test in backend testing?

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Knowledge Check · Easy · 1 min

What is the main purpose of Failure injection in backend testing

What is the main purpose of Failure injection in backend testing?

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Knowledge Check · Hard · 1 min

While reviewing backend testing, a pricing rule needs fast edge coverage. Which action fixes it, and which check proves it worked

While reviewing backend testing, a pricing rule needs fast edge coverage. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing backend testing, a transaction test uses only a mock repository. Which action fixes it, and which check proves it worked

While reviewing backend testing, a transaction test uses only a mock repository. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing backend testing, a controller changes its error format. Which action fixes it, and which check proves it worked

While reviewing backend testing, a controller changes its error format. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing backend testing, retry handling is never exercised. Which action fixes it, and which check proves it worked

While reviewing backend testing, retry handling is never exercised. Which action fixes it, and which check proves it worked?

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Knowledge Check · Medium · 1 min

While reviewing backend testing, a pricing rule needs fast edge coverage. Which action best addresses the problem

While reviewing backend testing, a pricing rule needs fast edge coverage. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing backend testing, a transaction test uses only a mock repository. Which action best addresses the problem

While reviewing backend testing, a transaction test uses only a mock repository. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing backend testing, a controller changes its error format. Which action best addresses the problem

While reviewing backend testing, a controller changes its error format. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing backend testing, retry handling is never exercised. Which action best addresses the problem

While reviewing backend testing, retry handling is never exercised. Which action best addresses the problem?

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Knowledge Check · Easy · 1 min

What is the main purpose of Job lease in background jobs scheduling

What is the main purpose of Job lease in background jobs scheduling?

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Knowledge Check · Easy · 1 min

What is the main purpose of Retry schedule in background jobs scheduling

What is the main purpose of Retry schedule in background jobs scheduling?

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Knowledge Check · Easy · 1 min

What is the main purpose of Job idempotency in background jobs scheduling

What is the main purpose of Job idempotency in background jobs scheduling?

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Knowledge Check · Easy · 1 min

What is the main purpose of Schedule drift in background jobs scheduling

What is the main purpose of Schedule drift in background jobs scheduling?

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Knowledge Check · Hard · 1 min

While reviewing background jobs scheduling, a worker dies while processing a long job. Which action fixes it, and which check proves it worked

While reviewing background jobs scheduling, a worker dies while processing a long job. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing background jobs scheduling, a dependency outage causes rapid job retries. Which action fixes it, and which check proves it worked

While reviewing background jobs scheduling, a dependency outage causes rapid job retries. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing background jobs scheduling, a job times out after sending an email. Which action fixes it, and which check proves it worked

While reviewing background jobs scheduling, a job times out after sending an email. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing background jobs scheduling, a daily export starts hours late. Which action fixes it, and which check proves it worked

While reviewing background jobs scheduling, a daily export starts hours late. Which action fixes it, and which check proves it worked?

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Knowledge Check · Medium · 1 min

While reviewing background jobs scheduling, a worker dies while processing a long job. Which action best addresses the problem

While reviewing background jobs scheduling, a worker dies while processing a long job. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing background jobs scheduling, a dependency outage causes rapid job retries. Which action best addresses the problem

While reviewing background jobs scheduling, a dependency outage causes rapid job retries. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing background jobs scheduling, a job times out after sending an email. Which action best addresses the problem

While reviewing background jobs scheduling, a job times out after sending an email. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing background jobs scheduling, a daily export starts hours late. Which action best addresses the problem

While reviewing background jobs scheduling, a daily export starts hours late. Which action best addresses the problem?

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Knowledge Check · Easy · 1 min

What is the main purpose of Composite index in database indexes plans

What is the main purpose of Composite index in database indexes plans?

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