Huawei HCIA-AI H13-311_V3.0 Questions & Answers

• Question 31:

  Which description is wrong about the lambda function of the Python language?

  A. lambda is just an expression, and the function body is much simpler than def.

  B. The body of a lambda can be an expression or a block of code

  C. The lambda function can access the parameters in the global namespace.

  D. The lambda function accepts only one parameter value

  Correct Answer: D

• Question 32:

  Reducing the gap between the training error and the test error will result in over-fitting How to prevent over-fitting? (Multiple Choice)

  A. Cross validation

  B. Integration method

  C. Increase regularization

  D. Feature Engineering

  Correct Answer: ABCD

• Question 33:

  Which is wrong with the Python module time introduction method?

  A. import time

  B. from time import *

  C. import time as t

  D. from time

  Correct Answer: D

• Question 34:

  Which is not a deep learning algorithm?

  A. Setr-encoder

  B. Convolutional neural networks

  C. Recurrent neural networks

  D. Support vector machine

  Correct Answer: D

• Question 35:

  TensorFlow is Google's first generation of proprietary machine learning systems

  A. True

  B. False

  Correct Answer: B

• Question 36:

  Which of the following schools does the neural network study belong to?

  A. Symbolism

  B. Connectionism

  C. Behaviorism

  D. None of the above

  Correct Answer: B

• Question 37:

  Which of the following statement about the matrix is incorrect?

  A. The arbitrary matrix is multiplied by the unit matrix and will not change.

  B. The transpose of the symmetric matrix A 1s also A itself.

  C. The transpose of the orthogonal matrix A is equal to the inverse of A .

  D. There is no inverse matrix for the diagonal matrix.

  Correct Answer: D

• Question 38:

  The correlation coefficient. also known as the linear correlation coefficient, is used to measure the linear relationship between two variables, which is a real number greater than zero

  A. True

  B. False

  Correct Answer: B

• Question 39:

  X. Y are random variables. C is a constant. which of the following description about the nature of the mathematical expectation is incorrect?

  A. E(C) = CA. E(C) = C

  B. E(X+Y) = E(X)+E{Y)

  C. E(CX) = CE(X)

  D. E(XY) = E(X)E{Y)

  E.

  Correct Answer: D

• Question 40:

  Which of the following are included in the application scenarios ofTensorflow? (Multiple choice}

  A. Speech recognition

  B. Face recognition

  C. Image style changes

  D. Autopilot

  Correct Answer: ABCD