Real C1000-112 Dumps (V8.02) – Latest Exam Questions Verified By Experts for Fundamentals of Quantum Computation Using Qiskit v0.2X Developer Exam

1. Which of the below statements plots how the qubits are connected in the ibmq_santiago system?

A)

B)

C)

D)

2. Which of the following multi qubit-gate represents the controlled-z gate?

A)

B)

C)

D)

3. Which one of the below statements is invalid when drawing the quantum circuit?

4. What fundamental property of classical information is distinctly different in quantum information?

5. What is the role of the Toffoli gate in a quantum circuit?

6. How are measurement results represented in quantum computing?

7. What are the eigenvalues and eigenvectors of X-gate?

8. What is the function of a SWAP gate in a quantum circuit?

9. Which of the following command will be used to monitor the status of the job?

job1 = execute(qc,backend)

10. What Qiskit function is primarily used to display information about noise models and quantum errors affecting a device?

11. In classical information theory, information is stored in bits.

What is the quantum analogue to a bit?

12. How does the Aer provider contribute to quantum computing experiments?

13. Which of the following statement runs the below quantum circuit 1024 times and display the results in a list that contains the probabilities of states? (Select only 2)

qc = QuantumCircuit(2,2)

qc.h(0)

qc.t(0)

qc.t(0)

qc.h(0)

A)

B)

C)

D)

E)

14. What is the resultant gate when we apply three Hadamard gates (in series) in the single-qubit circuit?

15. In the below QuantumCircuit, how many Qubits are there?

bob = QuantumRegister(8,'b')

alice = ClassicalRegister(2,'a')

eve = QuantumRegister(4,'e')

qc = QuantumCircuit(bob,alice,eve)

16. What role does post-processing play in interpreting quantum experiment results?

17. Which quantum algorithm is primarily used for searching an unsorted database?

18. In quantum computing, what does a histogram of measurement outcomes represent?

19. What information does the Bloch sphere visualization provide in quantum computing?

20. What is the equivalent phase of the phase gate when it is Z-gate?

21. Which of the following command results in densitymatrix output of the below Quantum Circuit?

import qiskit.quantum_info as qi

bell = QuantumCircuit(2)

bell.h(0)

bell.cx(0,1)

A)

B)

C)

D)

22. How do the principles of uncertainty in quantum mechanics affect information encoding?

23. What is the primary advantage of using BasicAer simulators in Qiskit?

24. What does Qasm stand for in quantum computing?

25. What code fragment codes the equivalent circuit if you remove the barrier in the following QuantumCircuit?

26. In Qiskit, what function allows users to display a list of available backends for quantum computation?

27. Which of the following is the best option to plot the |+> basis in plot_bloch_vector?

28. Which tool is commonly used to simulate quantum circuits and execute experiments in a software environment?

29. Which of the following statements best describes the role of Qasm in programming quantum circuits?

30. Which programming paradigm best aligns with Qasm in the context of quantum computing?

31. Which quantum logic gate is commonly used to create entangled states?

32. Which Qiskit function is used to visualize the statevector of a quantum circuit?

33. What feature differentiates the Aer provider's simulators from other backends in Qiskit?

34. What Qiskit component enables simulation of quantum systems, including noise models and backends?

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

36. Which code fragment will produce a maximally entangled, or Bell, state?

37. Which of the following statement will return a random state vector of dimension 2?

38. When applying a CNOT gate to two qubits, which qubit acts as the control and which one acts as the target?

39. In executing quantum experiments, what does "quantum volume" measure?

40. In the Qiskit framework, which component is essential for studying and implementing methods to mitigate errors in quantum computation?

41. What will be the output of the result variable in the below snippet?

q = QuantumRegister(1,'q')

qc = QuantumCircuit(q)

qc.y(0)

backend_unitary = BasicAer.get_backend('unitary_simulator')

result = execute(qc,backend_unitary).result().get_unitary(decimals=3)

42. Which of the following code snippet for the below quantum circuit will put the given qubits in a equiprobable states?

qc=QuantumCircuit(2)

43. S-gate is a Qiskit phase gate with what value of the phase parameter?

44. What would be the fidelity result(s) for these two operators, which differ only by global phase?

op_a = Operator(XGate())

op_b = numpy.exp(1j * 0.5) * Operator(XGate())

45. If we have n qubits, how many states can we represent maximum?

46. What type of information does Qasm provide regarding quantum circuits?

47. Which Qiskit component provides access to the Aer provider for quantum simulation?

48. Which quantum gate is commonly used for reversing a quantum operation?

49. Please choose the correct identities applicable: (Select 2)

50. Which code fragment would yield an operator that represents a single-qubit X gate?

51. What is the function of noise models in quantum simulators?

52. Predict the output of the average_gate_fidelity, process_fidelity of the below snippet:

a = Operator(XGate())

b = np.exp(1j /3) * a

average_gate_fidelity(a,b)

process_fiedlity(a,b)

53. Which of the following commands will result in |i> basis state?

i.e. |i> = 1/ √ 2(|0 〉 +i|1 〉 )

54. What is barrier instruction between the H-gates in the below quantum circuit do?

55. What does the Bloch sphere represent in quantum computing?

56. What is the primary function of the Aer provider in Qiskit?

57. Which Python package provides BasicAer simulators in Qiskit?

58. Which of the following missing statement return the depth of the following quantum circuit?

q = QuantumRegister(3)

c = ClassicalRegister(3)

qc = QuantumCircuit(q,c)

qc.h(q[0:3])

qc.x(q[0:3])

qc.z(q[0:3])

qc.draw(output='mpl')

### missing statement to return the depth of the circuit

59. What does the quantum operation SWAP do?

60. What is the output of the result in the below snippet?

ghz = QuantumCircuit(3)

ghz.x(0)

ghz.h(0)

ghz.cx([0,0],[1,2])

ghz.measure_all()

backend_qasm = BasicAer.get_backend('qasm_simulator')

job = execute(ghz, backend_qasm,shots=1024)

result = job.result().get_counts()

61. In a quantum circuit, what does applying a controlled-U gate mean?

62. 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)

63. What is the command used to retrieve the last run job from a backend?

64. Which of these would execute a circuit on a set of qubits which are coupled in a custom way?

from qiskit import QuantumCircuit, execute, BasicAer

backend = BasicAer.get_backend('qasm_simulator')

qc = QuantumCircuit(2)

# insert code here

65. What is the purpose of executing a quantum experiment on a simulator?

66. In our quantum circuit, we have a single qubit. and it is initialized to |0 〉 state.

Which of the following quantum gates operation gives the same output state |0 〉 ? (select any 3)

67. Which quantum algorithm is commonly used to find factors of large composite numbers efficiently?

68. Given this code, which two inserted code fragments result in the state vector represented by this Bloch sphere?

qc = QuantumCircuit(1,1)

# Insert code fragment here

simulator = Aer.get_backend('statevector_simulator')

job = execute(qc, simulator)

result = job.result()

outputstate = result.get_statevector(qc)

plot_bloch_multivector(outputstate)

69. Which of the following bloch_multivector plot options given below is the correct one for the given bell quantum circuit?

qc = QuantumCircuit(2)

qc.x(0)

qc.h(0)

qc.h(1)

A)

B)

C)

D)

70. Which two options would place a barrier across all qubits to the QuantumCircuit below?

qc = QuantumCircuit(3,3)

71. What characteristic of quantum information poses a challenge to traditional cryptography systems?

72. What is the advantage of using the Aer provider's simulators over real quantum hardware?

73. In quantum computing, what does the term "quantum supremacy" refer to?

74. Which kind of quantum simulation does the Aer provider primarily offer?

75. Which three simulators are available in BasicAer?

76. What is the fundamental principle behind quantum teleportation?

77. Which command is used to get the version of qiskit packages and the system information of the system?

78. Which gate is used to perform a controlled phase shift on a qubit, conditioned on the state of another qubit?

79. Which quantum gate is similar to classical NOT gate?

80. Which one of the below is the noisy quantum circuit simulator backend?

81. Which quantum gate is equivalent to classical NOT-gate?

82. How does the storage of information differ between classical and quantum systems?

83. In the given circuit what are the possible ways to measure the quantum register using the classical register? (Select 2)

q = QuantumRegister(3)

c = ClassicalRegiser(3)

qc = QuantumCircuit(q,c)

qc.h(0)

qc.cx(0,1)

qc.cx(0,2)

qc.barrier()

84. Which gate is typically used to reset a qubit's state to |0> in a quantum circuit?

85. Which aspect of quantum circuits does Qasm primarily focus on?

86. Which of the following statement will convert the below qasm file to a Quantum circuit qc?

myfile.qasm

OPENQASM 2.0;

include "qelib1.inc";

qreg q[2];

h q[0];

h q[1];

s q[0];

s q[1];

87. Which component of Qiskit provides a high-level interface for quantum circuit creation and manipulation?

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

89. What does the draw(output=’latex’) function in qiskit returns?

90. Given the state vector represented by this Bloch sphere of single bit quantum circuitqc, please choose the operations.

Which would lead to this state by assuming the quantum circuit is initialized to |0> (select any 3)

91. Predict the output of counts in the below-given snippet:

q = QuantumRegister(2,'q')

c = ClassicalRegister(2,'c')

qc = QuantumCircuit(q,c)

qc.h(0)

qc.h(1)

qc.measure([0,1],[0,1])

backend = BasicAer.get_backend('qasm_simulator')

job = execute(qc, backend, shots=100)

counts = job.result().get_counts()

92. What is the depth of the below quantum circuit?

93. In the circuit given below having statevector simulator as the backend, choose the _missing_element_from the options?

qc = QuantumCircuit(1)

qc.x(0)

qc.z(0)

backend_state = BasicAer.get_backend('statevector_simulator')

result = execute(qc,backend_state).result()._missing_element_

94. What advantage does the Aer provider's simulators offer for researchers and developers?

95. In quantum computing, what is the primary method for retrieving results from a quantum experiment?

96. Predict the output of the average_gate_fidelity, process_fidelity of the below snippet:

a = Operator(YGate())

b = np.exp(1j /2) * a

average_gate_fidelity(a,b)

process_fiedlity(a,b)

97. What process follows the retrieval of results from a quantum experiment to draw meaningful conclusions?

98. which of the following simulator can be as good as real IBM Quantum computer?

99. Given Quantum Circuit

qc= QuantumCircuit(2)

qc.h(0)

qc.cx(0,1)

to run the above quantum circuit for 2000 times in the qasm_simulator, choose the best option in the given below?

A)

B)

C)

D)

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