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 172 of 386 · 18,491 tasks

Knowledge Check · Hard · 1 min

While reviewing security fundamentals, a command field accepts arbitrary shell text. Which action fixes it, and which check proves it worked

While reviewing security fundamentals, a command field accepts arbitrary shell text. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing security fundamentals, a worker has administrator database access. Which action fixes it, and which check proves it worked

While reviewing security fundamentals, a worker has administrator database access. Which action fixes it, and which check proves it worked?

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Knowledge Check · Medium · 1 min

While reviewing security fundamentals, an endpoint trusts a user identifier from input. Which action best addresses the problem

While reviewing security fundamentals, an endpoint trusts a user identifier from input. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing security fundamentals, a signed-in user requests another account record. Which action best addresses the problem

While reviewing security fundamentals, a signed-in user requests another account record. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing security fundamentals, a command field accepts arbitrary shell text. Which action best addresses the problem

While reviewing security fundamentals, a command field accepts arbitrary shell text. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing security fundamentals, a worker has administrator database access. Which action best addresses the problem

While reviewing security fundamentals, a worker has administrator database access. Which action best addresses the problem?

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Knowledge Check · Easy · 1 min

What is the main purpose of Stack in stacks queues heaps

What is the main purpose of Stack in stacks queues heaps?

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Knowledge Check · Easy · 1 min

What is the main purpose of Queue in stacks queues heaps

What is the main purpose of Queue in stacks queues heaps?

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Knowledge Check · Easy · 1 min

What is the main purpose of Priority queue in stacks queues heaps

What is the main purpose of Priority queue in stacks queues heaps?

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Knowledge Check · Easy · 1 min

What is the main purpose of Deque in stacks queues heaps

What is the main purpose of Deque in stacks queues heaps?

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Knowledge Check · Hard · 1 min

While reviewing stacks queues heaps, an editor must undo the latest change. Which action fixes it, and which check proves it worked

While reviewing stacks queues heaps, an editor must undo the latest change. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing stacks queues heaps, jobs must run in arrival order. Which action fixes it, and which check proves it worked

While reviewing stacks queues heaps, jobs must run in arrival order. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing stacks queues heaps, urgent alerts must precede routine alerts. Which action fixes it, and which check proves it worked

While reviewing stacks queues heaps, urgent alerts must precede routine alerts. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing stacks queues heaps, a sliding window evicts left and appends right. Which action fixes it, and which check proves it worked

While reviewing stacks queues heaps, a sliding window evicts left and appends right. Which action fixes it, and which check proves it worked?

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Knowledge Check · Medium · 1 min

While reviewing stacks queues heaps, an editor must undo the latest change. Which action best addresses the problem

While reviewing stacks queues heaps, an editor must undo the latest change. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing stacks queues heaps, jobs must run in arrival order. Which action best addresses the problem

While reviewing stacks queues heaps, jobs must run in arrival order. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing stacks queues heaps, urgent alerts must precede routine alerts. Which action best addresses the problem

While reviewing stacks queues heaps, urgent alerts must precede routine alerts. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing stacks queues heaps, a sliding window evicts left and appends right. Which action best addresses the problem

While reviewing stacks queues heaps, a sliding window evicts left and appends right. Which action best addresses the problem?

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Knowledge Check · Easy · 1 min

What is the main purpose of Unit test in test design

What is the main purpose of Unit test in test design?

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Knowledge Check · Easy · 1 min

What is the main purpose of Integration test in test design

What is the main purpose of Integration test in test design?

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Knowledge Check · Easy · 1 min

What is the main purpose of Boundary test in test design

What is the main purpose of Boundary test in test design?

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Knowledge Check · Easy · 1 min

What is the main purpose of Property test in test design

What is the main purpose of Property test in test design?

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Knowledge Check · Hard · 1 min

While reviewing test design, a pure formatter needs fast edge-case checks. Which action fixes it, and which check proves it worked

While reviewing test design, a pure formatter needs fast edge-case checks. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing test design, repository code may misuse database transactions. Which action fixes it, and which check proves it worked

While reviewing test design, repository code may misuse database transactions. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing test design, an API accepts names up to 100 characters. Which action fixes it, and which check proves it worked

While reviewing test design, an API accepts names up to 100 characters. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing test design, a serializer must round-trip many valid values. Which action fixes it, and which check proves it worked

While reviewing test design, a serializer must round-trip many valid values. Which action fixes it, and which check proves it worked?

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Knowledge Check · Medium · 1 min

While reviewing test design, a pure formatter needs fast edge-case checks. Which action best addresses the problem

While reviewing test design, a pure formatter needs fast edge-case checks. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing test design, repository code may misuse database transactions. Which action best addresses the problem

While reviewing test design, repository code may misuse database transactions. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing test design, an API accepts names up to 100 characters. Which action best addresses the problem

While reviewing test design, an API accepts names up to 100 characters. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing test design, a serializer must round-trip many valid values. Which action best addresses the problem

While reviewing test design, a serializer must round-trip many valid values. Which action best addresses the problem?

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Knowledge Check · Easy · 1 min

What is the main purpose of Tree traversal in trees graphs

What is the main purpose of Tree traversal in trees graphs?

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Knowledge Check · Easy · 1 min

What is the main purpose of Breadth-first search in trees graphs

What is the main purpose of Breadth-first search in trees graphs?

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Knowledge Check · Easy · 1 min

What is the main purpose of Depth-first search in trees graphs

What is the main purpose of Depth-first search in trees graphs?

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Knowledge Check · Easy · 1 min

What is the main purpose of Cycle detection in trees graphs

What is the main purpose of Cycle detection in trees graphs?

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Knowledge Check · Hard · 1 min

While reviewing trees graphs, a menu must enumerate every nested item. Which action fixes it, and which check proves it worked

While reviewing trees graphs, a menu must enumerate every nested item. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing trees graphs, a route needs the fewest unweighted hops. Which action fixes it, and which check proves it worked

While reviewing trees graphs, a route needs the fewest unweighted hops. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing trees graphs, a dependency graph needs complete reachability. Which action fixes it, and which check proves it worked

While reviewing trees graphs, a dependency graph needs complete reachability. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing trees graphs, a build graph can contain circular dependencies. Which action fixes it, and which check proves it worked

While reviewing trees graphs, a build graph can contain circular dependencies. Which action fixes it, and which check proves it worked?

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Knowledge Check · Medium · 1 min

While reviewing trees graphs, a menu must enumerate every nested item. Which action best addresses the problem

While reviewing trees graphs, a menu must enumerate every nested item. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing trees graphs, a route needs the fewest unweighted hops. Which action best addresses the problem

While reviewing trees graphs, a route needs the fewest unweighted hops. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing trees graphs, a dependency graph needs complete reachability. Which action best addresses the problem

While reviewing trees graphs, a dependency graph needs complete reachability. Which action best addresses the problem?

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Knowledge Check · Medium · 1 min

While reviewing trees graphs, a build graph can contain circular dependencies. Which action best addresses the problem

While reviewing trees graphs, a build graph can contain circular dependencies. Which action best addresses the problem?

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Knowledge Check · Easy · 1 min

What is the main purpose of Repository query in spring data transactions

What is the main purpose of Repository query in spring data transactions?

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Knowledge Check · Easy · 1 min

What is the main purpose of Transactional service in spring data transactions

What is the main purpose of Transactional service in spring data transactions?

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Knowledge Check · Easy · 1 min

What is the main purpose of Lazy relation in spring data transactions

What is the main purpose of Lazy relation in spring data transactions?

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Knowledge Check · Easy · 1 min

What is the main purpose of Optimistic lock in spring data transactions

What is the main purpose of Optimistic lock in spring data transactions?

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Knowledge Check · Hard · 1 min

While reviewing spring data transactions, a service embeds raw entity-manager code. Which action fixes it, and which check proves it worked

While reviewing spring data transactions, a service embeds raw entity-manager code. Which action fixes it, and which check proves it worked?

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Knowledge Check · Hard · 1 min

While reviewing spring data transactions, order and inventory writes separate. Which action fixes it, and which check proves it worked

While reviewing spring data transactions, order and inventory writes separate. Which action fixes it, and which check proves it worked?

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