Which JavaScript framework is widely used for building scalable and maintainable web applications, featuring two-way data binding?
- Angular
- Ember.js
- React
- Vue.js
Angular is a JavaScript framework known for building scalable and maintainable web applications. It features two-way data binding, allowing automatic synchronization of data between the model and the view.
Google Cloud Platform's _______ service provides managed NoSQL databases.
- Cloud SQL
- Cloud Spanner
- Cloud Storage
- Firestore
Google Cloud Platform's Firestore service provides managed NoSQL databases. Firestore is a flexible, scalable, and serverless document database that supports real-time updates and seamless integration with other Google Cloud services.
_______ testing involves checking the code for potential security vulnerabilities.
- Integration
- Penetration
- Security
- Unit
Penetration testing involves checking the code for potential security vulnerabilities. It is a proactive approach to identifying and addressing security issues in software applications.
What is the purpose of a data structure?
- Controlling access to a database
- Executing instructions in a computer program
- Organizing and managing data efficiently
- Representing colors in digital images
The purpose of a data structure is to organize and manage data efficiently. It involves storing, retrieving, and manipulating data in a way that facilitates effective algorithms and operations.
In optimistic concurrency control, transactions are not blocked when they access data concurrently, but rather, conflicts are detected during the _______ phase.
- Commit
- Execution
- Rollback
- Validation
In optimistic concurrency control, transactions are not blocked during access; instead, conflicts are detected during the validation phase. During validation, the system checks whether the transactions can be committed without violating data consistency and integrity.
What is the role of a viewport in responsive design?
- It controls the colors and fonts of a web page
- It defines the visible area of a web page
- It determines the server response time of a web page
- It manages the back-end logic of a web page
The viewport in responsive design defines the visible area of a web page on a device's screen. It allows developers to control how the content is scaled and displayed, ensuring optimal viewing and user experience across different devices.
Which HTTP header is commonly used to control caching in a browser?
- Authorization
- Cache-Control
- Content-Type
- User-Agent
The Cache-Control HTTP header is commonly used to control caching in a browser. It specifies caching directives that instruct whether and how the content should be cached.
Which of the following entities is most responsible for establishing data privacy guidelines for AI?
- Government agencies and regulatory bodies.
- Private AI research labs.
- Social media companies.
- Universities and research institutions.
Government agencies and regulatory bodies are primarily responsible for establishing data privacy guidelines for AI. They create and enforce regulations to ensure that AI applications handle data in a way that protects individuals' privacy and rights.
What is the role of AI in dynamic pricing in e-commerce platforms?
- AI analyzes customer behavior, competitor pricing, and market trends to adjust prices in real-time.
- AI has no role in dynamic pricing.
- AI relies on outdated pricing models.
- AI suggests a single fixed price for all products.
AI plays a crucial role in dynamic pricing by continuously analyzing customer behavior, competitor pricing, and market trends. It allows e-commerce platforms to optimize prices to maximize revenue and remain competitive.
How do collaborative robots (cobots) differ from traditional industrial robots?
- Cobots are larger and heavier than traditional robots.
- Cobots are less expensive than traditional robots.
- Cobots can work alongside humans, while traditional robots cannot.
- Cobots require extensive programming for every task.
Collaborative robots (cobots) are designed to work alongside humans in a shared workspace, assisting them in various tasks. Traditional industrial robots are typically isolated in fenced areas and are not safe to work alongside humans.