AI Tools & Techniques Quiz-2

Neural networks are primarily inspired by which biological system? Choose the option that reflects the source of their conceptual design.

• Digestive system

• Nervous system

• Circulatory system

• Respiratory system

A neural network is composed of interconnected processing units called what? Select the most accurate term.

• Neurons

• Modules

• Bits

• Filters

Which of the following is NOT a characteristic typically associated with neural networks?

• Ability to learn

• Distributed representation

• High interpretability

• Fault tolerance

Which of the following is considered a learning problem for neural networks, as opposed to a hardware or infrastructure choice?

• Selecting hidden layers

• Overfitting

• Choosing activation function

• Selecting hardware

In a neural network, weights represent what property of the connections?

• Output labels

• Strength of connections

• Dataset size

• Network accuracy

The activation function of a neuron is used to do which of the following?

• Store data

• Introduce non-linearity

• Reduce the dataset

• Increase memory

Which of the following is a non-linear activation function commonly used in neural networks?

• ReLU

• Identity

• Linear

• Step function

Overfitting occurs when a neural network does which of the following?

• Learns training data too well

• Performs well on test data

• Fails to learn patterns

• Has small number of parameters

Which technique helps reduce overfitting during training?

• Increasing learning rate

• Dropout

• Removing validation set

• Increasing epochs indefinitely

Local minima is a known challenge specifically in which of the following?

• Decision trees

• Linear regression

• Gradient-based neural network training

• Support Vector Machines