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Huawei H13-321 Exam Sample Questions | SPOTO

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Question #1
What is the correct description about the Gaussian distribution curve?
A. The Gaussian curve is bell-shaped, with both ends high and the middle low
B. The smaller the standard deviation, the flatter the curve
C. The larger the standard deviation, the thinner and taller the curve
D. The Gaussian curve is bell-shaped, with both ends low and the middle highcorrect
View answer
Correct Answer: D
Question #2
Which of the following options is not a sequence annotation method?
A. CRF
B. MEMM
C. N-Gramcorrect
D. HNM
View answer
Correct Answer: C
Question #3
When using the image tagging API provided by Huawei Cloud, which field in the response parameter is the image tag content?
A. labels
B. content
C. resultcorrect
D. tags
View answer
Correct Answer: C
Question #4
Which of the following is not one of the three major problems of HMM?
A. Testingcorrect
B. Evaluation
C. Training
D. Decoding
View answer
Correct Answer: A
Question #5
In natural language processing, the most commonly used deep learning algorithm is CNN, because of its memory function?
A. TRUE
B. FALSEcorrect
View answer
Correct Answer: B
Question #6
Image recognition tasks can be divided into three levels, according to the abstraction of the processing content, from low to high?
A. Image processing, image analysis, image understandingcorrect
B. Image analysis, image understanding, image processing
C. Image understanding
D. Image analysis, image processing, image understanding
View answer
Correct Answer: A
Question #7
Which of the following options does not belong to the three elements of the Markov model?
A. State Collectioncorrect
B. Observation Probability
C. Transition Probability
D. Initial Probability
View answer
Correct Answer: A
Question #8
In the N-gram model, N refers to ignoring the effect of the above words with a distance greater than N. The larger the N, the richer the sequence information contained in the model, and the amount of calculation increases.
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #9
What is the unique gate structure of GRU?
A. Input Gate
B. Output Gate
C. Forget Gate
D. Update Gatecorrect
View answer
Correct Answer: D
Question #10
How can the entire digital image after sampling and quantization be represented mathematically?
A. Channel
B. Matrixcorrect
C. Coordinates
D. Pixels
View answer
Correct Answer: B
Question #11
Which of the following design specifications does Huawei Cloud API comply with?
A. Restfulcorrect
B. P8EP
C. Programming
D. PEP8
View answer
Correct Answer: A
Question #12
Solve equations
A. 4-1-3-2-5
B. 2-1-3-4-5
C. 1-3-4-2-5
D. 2-3-1-4-5correct
View answer
Correct Answer: D
Question #13
When taking a selfie, what kind of transformation does the picture displayed on the front lens of the mobile phone need to pass before it can be a real scene image.
A. Direct mirror
B. Pan
C. Spin
D. Horizontal mirroring
View answer
Correct Answer: D
Question #14
Which of the following options is the algorithm used to estimate the parameters of a single Gaussian model?
A. EM algorithm
B. Maximum Likelihood Estimationcorrect
C. Viterbi algorithm
D. Forward-backward algorithm
View answer
Correct Answer: B
Question #15
There are a lot of small noises in a photo during storage. Which operation is the best for noise reduction?
A. Laplace filter
B. Gaussian filtering
C. Median filteringcorrect
D. Mean filtering
View answer
Correct Answer: C
Question #16
Which of the following options is the method of automatically calculating the gradient.
A. Automatic differentiationcorrect
B. Multivariate function differentiation
C. Numerical differentiation
D. Symbolic differentiation
View answer
Correct Answer: A
Question #17
Which of the following models can be used for natural language processing?
A. DT
B. SVM
C. HMMcorrect
D. Linear regression
View answer
Correct Answer: C
Question #18
The request/response of HUAWEI CAI API in accordance with the design of RESTful API includes the following.
A. Response message headercorrect
B. Request URLcorrect
C. Request message headercorrect
D. Response message bodycorrect
E. Request message body
View answer
Correct Answer: ABCD
Question #19
Which step does not belong to speech recognition preprocessing?
A. Deduplicationcorrect
B. Noise Reduction
C. Silent Cutoff
D. Standardization
View answer
Correct Answer: A
Question #20
In the GMM-HMM model, GMM is mainly used to find the probability of a certain factor, and HMM is mainly used to model each text-speech pair.
A. TRUE
B. FALSE
View answer
Correct Answer: A
Question #21
Which of the following is not a speech acoustic feature?
A. Duration
B. Semanticscorrect
C. Frequency
D. Amplitude
View answer
Correct Answer: B
Question #22
Use a 3*3 convolution kernel to convolve a three-channel color image. What is the number of parameters to be learned?
A. 27correct
B. 9
C. 28
D. 10
View answer
Correct Answer: A
Question #23
Which network structure does the convolutional neural network include?
A. Output layer
B. Convolutional layercorrect
C. Fully connected layercorrect
D. Pooling layercorrect
View answer
Correct Answer: BCD
Question #24
How many brightness changes can a 4 - bit image distinguish? (Single choice)
A. 8
B. 16
C. 128
D. 256
View answer
Correct Answer: A
Question #25
Dropout is to randomly discard a certain proportion of sample data during model training.
A. TRUE
B. FALSEcorrect
View answer
Correct Answer: B
Question #26
(Judgment) The background difference method is to use the current frame in the image sequence and the background reference model for subtraction, which can realize the detection of moving objects in the image.
A. TRUE
B. FALSE
View answer
Correct Answer: A
Question #27
In the NNLM model, what is the activation function used in the network output layer?
A. Tanh
B. Softmaxcorrect
C. ReLU
D. Sigmoid
View answer
Correct Answer: B
Question #28
Which of the following templates can achieve the sharpness of the image?
A. 010111010
B. 010131010
C. 0-10-14-10-10
D. 0-10-16-10-10correct
View answer
Correct Answer: D
Question #29
In image processing tasks, what is the true label of the data set?
A. Great Trurh
B. Great Target
C. Ground Truthcorrect
D. Ground Target
View answer
Correct Answer: C
Question #30
A model in which several linear models are mixed together is called a linear mixed model.
A. TRUE
B. FALSE
View answer
Correct Answer: A

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