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Latest Huawei H13-321 Exam Questions and Answers, 2025 Update | SPOTO

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Question #1
When using ModelArts automatic learning to build a predictive analysis project, if the label column is numerical continuous data, which of the following is the label column data type and the model type to be trained?
A. Discrete Values and Regression Models
B. Continuous Numerical and Categorical Models
C. Discrete Values and Categorical Models
D. Continuous Values and Regression Modelscorrect
View answer
Correct Answer: D
Question #2
Which of the following is the abbreviation of speech recognition?
A. TTS
B. ASRcorrect
C. STT
D. AST?
View answer
Correct Answer: B
Question #3
Which of the following options does not belong to the category of phonetics?
A. Acoustic Phonetics
B. Linguistic Phonetics
C. Auditory Phonetics
D. Articulation and Phonetics
E. Semantic Phoneticscorrect
View answer
Correct Answer: E
Question #4
What is the role of Gaussian mixture model in speech recognition?
A. Represents the probability transfer between factors
B. Multidimensional numerical distribution used to represent a phonemecorrect
C. Used to distinguish different phonemes
D. Evaluating the Advantages of the HMM Algorithm
View answer
Correct Answer: B
Question #5
Which of the following is not a speech feature extraction method?
A. MFCC
B. LPC
C. LPCC
D. SVMcorrect
View answer
Correct Answer: D
Question #6
What is the dimension of the commonly used Mel-Frequency Cepstral Coefficients?
A. 36
B. 12correct
C. 39
D. 13
View answer
Correct Answer: B
Question #7
Which of the following options is not a commonly used algorithm for keyword extraction? (Single choice)
A. TF-IDF
B. TextRank
C. SSAcorrect
D. LDA
View answer
Correct Answer: C
Question #8
(Judgment) In general, Huawei's artificial intelligence development strategy is based on continuous investment in basic research and AI talent training, creating a full-stack full-scenario AI solution and an open global ecology.
A. TRUE
B. FALSE
View answer
Correct Answer: A
Question #9
Regarding the CBOW and Skip-Gram algorithms, is the following statement incorrect?
A. CBOW calculates the occurrence probability of a word based on n consecutive words in front of a word or n consecutive words before and after a word
B. Both CBOW and Skip-Gram can train vectors, but skip-Gram is faster than CBOW
C. Both the CBOW model and the skip-gram model can be based on the Huffman tree
D. Skip-Gram is to calculate the probability of several words before and after it according to a certain word
View answer
Correct Answer: B
Question #10
Which of the following is the most important change in the CD-DNN-HMM model?
A. Introducing more hidden layers
B. Introducing Dropout
C. Introducing the fully connected layer
D. Introducing contextual informationcorrect
View answer
Correct Answer: D
Question #11
What is the abbreviation of the conditional random field algorithm?
A. SVM
B. CRFcorrect
C. HMM
D. GMM
View answer
Correct Answer: B
Question #12
What is the word segmentation method in the jieba framework?
A. cutcorrect
B. lcut_for_searchcorrect
C. lcutcorrect
D. cut_for_searchcorrect
View answer
Correct Answer: ABCD
Question #13
Which of the following is not a NLP language feature?
A. Contextual word features
B. Text Features
C. Texture featurescorrect
D. Single word features
View answer
Correct Answer: C
Question #14
An APP that can display plant names and breeding methods after taking photos of plants in pots. Its core is the use of image classification technology.
A. TRUE
B. FALSEcorrect
View answer
Correct Answer: B
Question #15
(Judgment) Back propagation is a common method used to train artificial neural networks.
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #16
In which of the following fields does the convolutional neural network perform well?
A. Computer Visioncorrect
B. Speech Recognition
C. Machine Translation
D. Knowledge Graph
View answer
Correct Answer: A
Question #17
The status sequence of HMM can neither be obtained directly nor through observation sequence.
A. TRUE
B. FALSEcorrect
View answer
Correct Answer: B
Question #18
Regarding CBOW and Skip-Gram algorithms, which of the following statements is incorrect?
A. Both CBOW and Skip-Gram can be used to train word embeddings, but Skip-Gram is faster than CBOcorrect
B. CBOW calculates the probability of a word appearing based on the n words preceding it or the n consecutive words before and after it
C. Skip-Gram calculates the probabilities of several words before and after a certain word
D. Both the CBOW model and the skip-gram model are based on the Huffman tree
View answer
Correct Answer: A
Question #19
Image target detection algorithm needs to be completed?
A. Judgment of target categorycorrect
B. Calculation of confidencecorrect
C. Calculation of target edge
D. Calculation of the target positioncorrect
View answer
Correct Answer: ABD
Question #20
In the Gaussian mixture model, since the distribution of each sample point is unknown, it is impossible to use the maximum function to solve the parameters.
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #21
If the sampling frequency is f and the number of frames is a, which of the following is the length of the sound signal?
A. a/2f
B. 2a/f
C. a/fcorrect
D. a*f
View answer
Correct Answer: C
Question #22
Which of the following is not a method of speech feature extraction?
A. PLP
B. RNNcorrect
C. MFCC
D. LPC
View answer
Correct Answer: B
Question #23
Which of the following options is not a method in the development of natural language processing?
A. Methods based on deep learning
B. Statistical-based methodscorrect
C. Method based on recursion
D. Rule-based approach
View answer
Correct Answer: B
Question #24
Markov chain is a discrete event stochastic process with Markov properties in exponential science.
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #25
Modifying the H component of the HSV color space will change the image? (Single choice)
A. Hue
B. Brightness
C. Saturation
D. Contrast
View answer
Correct Answer: D
Question #26
When using ModelArts automatic learning to build a predictive analysis project, if the label column is enumerated data, which of the following is the label column data type and the model type to be trained?
A. Continuous Values and Regression Models
B. Discrete Values and Regression Models
C. Continuous Numerical and Categorical Models
D. Discrete Values and Categorical Modelscorrect
View answer
Correct Answer: D
Question #27
Which of the following is not a common method for text vectorization?
A. DM?
B. EMcorrect
C. DBOW
D. CBOW
View answer
Correct Answer: B
Question #28
The accuracy of the target detection position can be evaluated by the IOD value. The iout calculation method is to find the ratio of the union and intersection of the true annotations of the detection results.
A. TRUE
B. FALSEcorrect
View answer
Correct Answer: B
Question #29
Which of the following is not a field supported by the intent understanding API provided by Huawei Cloud EI natural language processing service?
A. Music
B. Alarm clock
C. Jokes
D. Entertainmentcorrect
View answer
Correct Answer: D
Question #30
How difficult is speech recognition?
A. Personal characteristics
B. Scenarios
C. Geographical factors
D. All of the abovecorrect
View answer
Correct Answer: D

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