30 Questions
What is the primary protocol used for communication between clients and servers on the World Wide Web?
HTTP (Hypertext Transfer Protocol)
In a client-server model, what is the role of the client?
To send requests and receive responses
What is the purpose of HTTPS?
To encrypt communication between the browser and server
What is the primary function of a web server?
To respond to client requests by sending web objects
Which of the following is an example of a web object?
All of the above
In the context of web communication, what does the term "client" typically refer to?
A web browser
What distinguishes the centralized model from the client-server model?
Centralized model focuses on the communication flow, while client-server model highlights a single point of control.
What characterizes a peer-to-peer network architecture?
Each node in a peer-to-peer network acts as both a client and a server.
Why are peer-to-peer networks considered easy and inexpensive to configure and implement?
Peer-to-peer networks lack central data storage and administration requirements.
What is true about resource sharing in a peer-to-peer network?
Nodes in a peer-to-peer network share resources directly with each other.
How do nodes discover each other in a peer-to-peer network?
Nodes discover each other through initial coordination methods in a peer-to-peer network.
Why are peer-to-peer networks mostly practical for very small organizations?
Peer-to-peer networks lack central data storage and administration.
In a two-tier architecture, what is a potential disadvantage as the number of users increases?
Application performance will degrade
What is a key advantage of a three-tier architecture?
All of the above
In a three-tier architecture, which layer is responsible for isolating the business logic?
Business layer
What is a benefit of separating concerns in a three-tier architecture?
Improved scalability and security
In the example of an e-commerce website, which layer is responsible for handling user interactions and displaying product information?
Presentation layer
What is a key characteristic of a three-tier architecture that promotes code reusability and maintainability?
Both a and b
Which layer handles business logic and interacts with the database layer?
Business layer
Which layer is responsible for storing product data, user information, and order details?
Data layer
Which architecture is suitable for smaller-scale projects where simplicity and ease of development are priorities?
Two-tier architecture
What is the purpose of the N-tier architecture?
To enhance flexibility and scalability by introducing additional layers
Which operation(s) are performed by the business layer when interacting with the database layer?
Create, Read, Update, Delete (CRUD)
Which architecture is preferred for complex applications requiring better organization, maintainability, security, and scalability?
Three-tier architecture
What is the primary advantage of using REST for web services?
Simpler interactions and easier integration with clients and tools
What is the typical sequence of events in a web service interaction?
Client sends request, web service processes request, web service sends response
Which of the following is NOT a common use case for web services?
Building applications as monolithic components with no modular interactions
What is the role of a web service in the context of data exchange?
To share information between different applications
Which of the following is NOT a step in a typical web service interaction?
Client application validates the response
What is the primary purpose of using web services in modern web development?
To enable various functionalities and modular development
Learn about the client/server model in web engineering with slides accompanying the book 'Web Engineering: A Practitioner’s Approach' by Roger Pressman and David Lowe. Explore how clients and servers communicate using protocols like HTTP and SMTP.
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