Client/Server Model in Web Engineering
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Questions and Answers

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?

<p>To respond to client requests by sending web objects (B)</p> Signup and view all the answers

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

<p>All of the above (D)</p> Signup and view all the answers

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

<p>A web browser (D)</p> Signup and view all the answers

What distinguishes the centralized model from the client-server model?

<p>Centralized model focuses on the communication flow, while client-server model highlights a single point of control. (B)</p> Signup and view all the answers

What characterizes a peer-to-peer network architecture?

<p>Each node in a peer-to-peer network acts as both a client and a server. (B)</p> Signup and view all the answers

Why are peer-to-peer networks considered easy and inexpensive to configure and implement?

<p>Peer-to-peer networks lack central data storage and administration requirements. (A)</p> Signup and view all the answers

What is true about resource sharing in a peer-to-peer network?

<p>Nodes in a peer-to-peer network share resources directly with each other. (C)</p> Signup and view all the answers

How do nodes discover each other in a peer-to-peer network?

<p>Nodes discover each other through initial coordination methods in a peer-to-peer network. (D)</p> Signup and view all the answers

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

<p>Peer-to-peer networks lack central data storage and administration. (A)</p> Signup and view all the answers

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

<p>Application performance will degrade (B)</p> Signup and view all the answers

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

<p>All of the above (D)</p> Signup and view all the answers

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

<p>Business layer (B)</p> Signup and view all the answers

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

<p>Improved scalability and security (A)</p> 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?

<p>Presentation layer (D)</p> Signup and view all the answers

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

<p>Both a and b (A)</p> Signup and view all the answers

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

<p>Business layer (D)</p> Signup and view all the answers

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

<p>Data layer (A)</p> Signup and view all the answers

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

<p>Two-tier architecture (D)</p> Signup and view all the answers

What is the purpose of the N-tier architecture?

<p>To enhance flexibility and scalability by introducing additional layers (C)</p> Signup and view all the answers

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

<p>Create, Read, Update, Delete (CRUD) (A)</p> Signup and view all the answers

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

<p>Three-tier architecture (C)</p> Signup and view all the answers

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

<p>Simpler interactions and easier integration with clients and tools (A)</p> Signup and view all the answers

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

<p>Client sends request, web service processes request, web service sends response (D)</p> Signup and view all the answers

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

<p>Building applications as monolithic components with no modular interactions (C)</p> Signup and view all the answers

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

<p>To share information between different applications (A)</p> Signup and view all the answers

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

<p>Client application validates the response (C)</p> Signup and view all the answers

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

<p>To enable various functionalities and modular development (A)</p> Signup and view all the answers

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