Client/Server Model in Web Engineering

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What is the primary protocol used for communication between clients and servers on the World Wide Web?

TCP/IP (Transmission Control Protocol/Internet Protocol)

SMTP (Simple Mail Transfer Protocol)

FTP (File Transfer Protocol)

HTTP (Hypertext Transfer Protocol) (correct)

In a client-server model, what is the role of the client?

To authenticate users

To send requests and receive responses (correct)

To store and manage data

To handle network routing

What is the purpose of HTTPS?

To encrypt communication between the browser and server (correct)

To increase the speed of data transfer

To compress web page content

To authenticate the server's identity

What is the primary function of a web server?

To respond to client requests by sending web objects Signup and view all the answers

Which of the following is an example of a web object?

All of the above Signup and view all the answers

In the context of web communication, what does the term "client" typically refer to?

A web browser Signup and view all the answers

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. Signup and view all the answers

What characterizes a peer-to-peer network architecture?

Each node in a peer-to-peer network acts as both a client and a server. Signup and view all the answers

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. Signup and view all the answers

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. Signup and view all the answers

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. Signup and view all the answers

Why are peer-to-peer networks mostly practical for very small organizations?

Peer-to-peer networks lack central data storage and administration. Signup and view all the answers

In a two-tier architecture, what is a potential disadvantage as the number of users increases?

Application performance will degrade Signup and view all the answers

What is a key advantage of a three-tier architecture?

All of the above Signup and view all the answers

In a three-tier architecture, which layer is responsible for isolating the business logic?

Business layer Signup and view all the answers

What is a benefit of separating concerns in a three-tier architecture?

Improved scalability and security Signup and view all the answers

In the example of an e-commerce website, which layer is responsible for handling user interactions and displaying product information?

Presentation layer Signup and view all the answers

What is a key characteristic of a three-tier architecture that promotes code reusability and maintainability?

Both a and b Signup and view all the answers

Which layer handles business logic and interacts with the database layer?

Business layer Signup and view all the answers

Which layer is responsible for storing product data, user information, and order details?

Data layer Signup and view all the answers

Which architecture is suitable for smaller-scale projects where simplicity and ease of development are priorities?

Two-tier architecture Signup and view all the answers

What is the purpose of the N-tier architecture?

To enhance flexibility and scalability by introducing additional layers Signup and view all the answers

Which operation(s) are performed by the business layer when interacting with the database layer?

Create, Read, Update, Delete (CRUD) Signup and view all the answers

Which architecture is preferred for complex applications requiring better organization, maintainability, security, and scalability?

Three-tier architecture Signup and view all the answers

What is the primary advantage of using REST for web services?

Simpler interactions and easier integration with clients and tools Signup and view all the answers

What is the typical sequence of events in a web service interaction?

Client sends request, web service processes request, web service sends response Signup and view all the answers

Which of the following is NOT a common use case for web services?

Building applications as monolithic components with no modular interactions Signup and view all the answers

What is the role of a web service in the context of data exchange?

To share information between different applications Signup and view all the answers

Which of the following is NOT a step in a typical web service interaction?

Client application validates the response Signup and view all the answers

What is the primary purpose of using web services in modern web development?

To enable various functionalities and modular development Signup and view all the answers