CSE121 Orientation to Computing QUIZ

What is data science?

• The study of computer algorithms

• The process of extracting insights and knowledge from data

• The analysis of geological data

• The study of human behavior

Karthikeya is learning about responsive web design and wants to test his knowledge. Which of the following is/are the elements of the responsive web design?

(Select all options that apply)

• Media queries that alter web designs based on a user’s device

• Flexible images (sometimes called adaptive images) as they have no fixed display size limitations, which makes it versatile and easier to resize images neatly.

• Fluid grids/fluid layouts that automatically rearrange columns of content to fit different screens or browser windows

• Code for flexible layouts that resize page elements to fit different screens or browser windows

• HTML that determines the content and structure of a webpage, and the CSS that determines the design and display of HTML elements.

Which of the following is not a type of machine learning algorithm?

• Supervised Learning

• Unsupervised Learning

• Reinforcement Learning

• Logical Learning

What is the purpose of feature engineering in machine learning?

• To select the most important features from the dataset

• To create new features from existing ones

• To visualize the features in the dataset

• To clean the dataset

When would Abhishek consider using overfitting in the context of machine learning?

• When the model performs well on new, unseen data

• When the model learns noise from the training data

• When the model is too simple to capture the underlying patterns in the data

• When the model cannot capture the underlying patterns in the data

Which of the following is not a step in the data science process?

• Data cleaning

• Data visualization

• Data encoding

• Model building

What is the primary goal of cybersecurity?

• To prevent all cyberattacks

• To ensure 100% data security

• To protect systems, networks, and data from cyber threats

• To detect and prosecute cybercriminals

Which of the following is an example of a cyber threat?

• A strong password policy

• Regular software updates

• Malware infection

• Firewall configuration

What is phishing in the context of cybersecurity?

• A method used by hackers to steal sensitive information by pretending to be a trustworthy entity

• A type of cyber attack that targets computer networks

• An email scam that tricks individuals into revealing personal information

• A fraudulent practice to obtain sensitive data such as passwords and credit card details

Deepak and Piyush are working over a firewall project in a large company. What exactly is a firewall?

• A physical barrier around the company's network infrastructure

• A software or hardware-based security system that monitors and controls incoming and outgoing network traffic

• A cryptographic protocol for secure communication

• A tool for detecting and removing malware