Tested Material Used To H13-311-ENU Test Engine Exam Questions in here [Sep-2021]
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NEW QUESTION 54
Which of the following about the description of expectations and variances is incorrect?
- A. The greater the expectation, the smaller the variance
- B. Expectation reflects the average level of random variable values
- C. The variance reflects the degree of deviation between the random variable and its mathematical expectation
- D. Expectation and variance are both numerical characteristics of random variables
Answer: A
NEW QUESTION 55
What model is not a cyclic neural network?
- A. GBDT
- B. RNN
- C. LSTM
- D. GRU
Answer: A
NEW QUESTION 56
TensorFlow is the second generation of artificial intelligence learning system developed by Google based on ( ).
- A. Infinity
- B. ConvexOne
- C. DistBelief
- D. PaleyFunction
Answer: C
NEW QUESTION 57
There are many commercial applications for machine learning services. What are the main business scenarios covered? (Multiple Choice)
- A. Retailer grouping
- B. Telecom customer retention
- C. Financial product recommendation
- D. Predictive maintenance
Answer: A,B,C,D
NEW QUESTION 58
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. False
- B. True
Answer: A
NEW QUESTION 59
What operating systems does Python support? (Multiple Choice)
- A. DOS
- B. Windows
- C. Mac OSX
- D. Linux
Answer: A,B,C,D
NEW QUESTION 60
Which of the following statements about overflow and underflow in numerical calculations is correct? (Multiple choice)
- A. Underflow occurs when the number close to zero is rounded to zero
- B. Overflow occurs when the number close to zero is rounded to zero
- C. Overflow occurs when a large number of levels are approximated as ∞ or - ∞
- D. Underflow occurs when a large number of levels are approximated as ∞ or - ∞
Answer: A,C
NEW QUESTION 61
Deep learning algorithms can be divided into supervised learning and unsupervised learning.
- A. True
- B. False
Answer: A
NEW QUESTION 62
Huawei Cloud EI builds enterprise intelligence services based on three-tier services. Which of the following options does not belong to Layer 3 services?
- A. Basic platform services
- B. Integration services
- C. General domain services
- D. Industry sector services
Answer: B
NEW QUESTION 63
What are the commonly used loss functions? (Multiple choice)
- A. Sigmoid cross entropy
- B. Mean variance
- C. Softmax cross entropy
- D. Sparse cross entropy
- E. Weighted Sigmoid Cross Entropy
Answer: A,B,C,D,E
NEW QUESTION 64
Which of the following options is not a reason for traditional machine learning algorithms to promote the development of deep learning?
- A. Manifold learning
- B. Dimensional disaster
- C. Feature Engineering
- D. Local invariance and smooth regularization
Answer: C
NEW QUESTION 65
Information theory is a branch of applied mathematics. The main research is to quantify how much information a signal contains. Who is the first to propose information theory?
- A. Shannon
- B. Simon
- C. Turing
- D. Minsky
Answer: A
NEW QUESTION 66
What is not the optimization method in deep learning?
- A. Random gradient descent
- B. Momentum
- C. Back propagation algorithm
- D. Principal component analysis
Answer: D
NEW QUESTION 67
Which is the correct description of the Python creation function? (Multiple choice)
- A. Return the result with return and the function ends.
- B. The function created starts with the def keyword followed by the function name and parentheses.
- C. The parameters need to be placed in parentheses.
- D. The function content starts with a colon and needs to be indented.
Answer: A,B,C,D
NEW QUESTION 68
The meaning of artificial intelligence was first proposed by a scientist in 1950, and at the same time a test model of machine intelligence was proposed. Who is this scientist?
- A. Zade
- B. Von Neumann
- C. Turing
- D. Minsky
Answer: C
NEW QUESTION 69
Which of the following statements about the positive definiteness of the matrix is correct? (Multiple Choice)
- A. A matrix in which all eigenvalues are positive is called positive definite.
- B. A matrix in which all eigenvalues are non-negative are called semi-positive definite.
- C. A matrix in which all eigenvalues are non-positive are called semi-negative definite.
- D. A matrix in which all eigenvalues are negative is called negative definite.
Answer: A,B,C,D
NEW QUESTION 70
The commonly used functions for mathematical operations in Python are basically in the math module and the cmath module.
- A. True
- B. False
Answer: A
NEW QUESTION 71
There are a lot of data generated during the training of the neural network. What mechanism does TensorFlow use to avoid excessive input data?
- A. feed
- B. fetch
- C. placeholder
- D. Client
Answer: C
NEW QUESTION 72
The for loop statement in the Python language can iterate through the items in any sequence.
- A. True
- B. False
Answer: A
NEW QUESTION 73
What are the advantages of Python? (Multiple choice)
- A. Rich library
- B. High-level language
- C. Simple
- D. Free
Answer: A,B,C,D
NEW QUESTION 74
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