Fundamentals of Quantum Computation Using Qiskit v0.2X Developer (C1000-112) Free Practice Test

Question 1

Which three simulators are available in BasicAer?

A. quantum_simulator

B. unitary_simulator

C. statevector_simulator

D. quantum_circuit_simulator

E. qasm_simulator

F. basic_qasm_simulator

Correct Answer: B,C,E

Question 2

Which of the following returns process fidelity of a noisy quantum channel?

A. average_gate_fidelity

B. process_fidelity

C. gate_error

D. fidelity_process

Correct Answer: B

Question 3

Given the following code, what is the depth of the circuit?
qc = QuantumCircuit(2, 2)
qc.h(0)
qc.barrier(0)
qc.cx(0,1)
qc.barrier([0,1])

A. 4

B. 3

C. 5

D. 2

Correct Answer: D

Question 4

In the quantum circuit, choose the best option to display the plot given below?
qc= QuantumCircuit(3)
qc.h(0)
qc.x(1)
qc.cx(0,1)
qc.h(2)
qc.cx(1,2)
qc.measure_all()
backend_qasm = BasicAer.get_backend('qasm_simulator')
job = execute(qc, backend_qasm,shots=1024)
result = job.result().get_counts()

A.

B.

C.

D.

Correct Answer: D

Question 5

Which two options would place a barrier across all qubits to the QuantumCircuit below?
qc = QuantumCircuit(3,3)

A. qc.barrier([0,1,2])

B. qc.barrier(qc)

C. qc.barrier_all()

D. qc.barrier(3)

E. qc.barrier()

Correct Answer: A,E

Question 6

Which of the following bloch_multivector plot options given below is the correct one for the given bell quantum circuit?
bell = QuantumCircuit(2)
bell.h(0)
bell.cx(0,1)

A.

B.

C.

D.

Correct Answer: C

Question 7

Which of the below API returns the random unitary of dimension 2?

A. random_unitary(2)

B. random_get_unitary(2)

C. random_get_unitary_matrix(2)

D. random_get_unitary_state(2)

Correct Answer: A

Question 8

What is the primary function of visualizations in quantum computing?

A. To provide a graphical representation of quantum states and operations

B. To enhance the aesthetic appeal of quantum algorithms

C. To represent classical bits as qubits in quantum systems

D. To simplify mathematical equations in quantum algorithms

Correct Answer: A

Question 9

In classical information theory, information is stored in bits.
What is the quantum analogue to a bit?

A. Quantum byte

B. Quark

C. Quantum gate

D. Qubit

Correct Answer: D

Question 10

How does Qiskit Terra contribute to the process of quantum circuit creation?

A. It focuses on quantum error correction for circuits

B. It generates quantum algorithms for various applications

C. It provides real quantum hardware for circuit execution

D. It designs and simulates quantum circuits on classical computers

Correct Answer: D

Question 11

What role does "benchmarking" play in quantum experiments?

A. Optimizing quantum gates for error-free computations

B. Evaluating the speed of classical algorithms

C. Assessing and comparing the performance of quantum hardware and simulators

D. Comparing the performance of quantum algorithms on different simulators

Correct Answer: C

Question 12

What kind of information does the statevector_simulator provide about a quantum circuit?

A. The final state vector of the quantum system after the circuit execution

B. The measurement outcomes of the qubits

C. The unitary matrix representing the quantum gates in the circuit

D. The noise model affecting the quantum operations

Correct Answer: A

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IBM Fundamentals of Quantum Computation Using Qiskit v0.2X Developer (C1000-112) Free Practice Test