IBM A1000-113 Practice Exam: Test Your Knowledge 2025

What is the fundamental unit of quantum information that can exist in a superposition of states?

In quantum computing, what phenomenon allows two or more qubits to have correlated states regardless of the distance between them?

A developer needs to create a quantum circuit in Qiskit that applies a Hadamard gate to the first qubit. Which code snippet correctly accomplishes this?

Which quantum gate is used to create entanglement between two qubits?

What is the primary purpose of the Grover's algorithm?

In the Bloch sphere representation, where is the |0⟩ state located?

A quantum researcher is experiencing inconsistent results when running the same circuit multiple times on IBM Quantum hardware. What is the most likely cause?

In Qiskit, what is the purpose of the transpile() function?

Which algorithm demonstrates quantum advantage for integer factorization?

A developer needs to measure only the first and third qubits in a 5-qubit quantum circuit. Which Qiskit approach is correct?

What type of quantum error occurs when qubits lose their quantum properties due to environmental interactions?

In the context of quantum computing, what does the term 'oracle' refer to in algorithm design?

A quantum circuit designer wants to implement a rotation around the Y-axis by π/4 radians. Which Qiskit gate should be used?

What is the maximum number of distinct states that can be represented by a system of n qubits?

Which quantum error mitigation technique involves running circuits with deliberately introduced errors to extrapolate the zero-noise result?

A team is developing a quantum application that requires simulating molecular interactions. Which quantum algorithm is most appropriate for this use case?

In quantum computing, what is the no-cloning theorem?

When executing a quantum circuit on IBM Quantum hardware, what parameter determines how many times the circuit is run to gather statistics?

What is the primary challenge that prevents current quantum computers from implementing full quantum error correction?

Which quantum algorithm provides a polynomial speedup for solving unstructured search problems compared to classical algorithms?