Web Systems and Architecture

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Questions and Answers

Which scenario best illustrates the 'dynamic' characteristic of web systems?

A static webpage with information about a company.
A website displaying different content based on the time of day. (correct)
A user submitting a form on a website.
A website that is accessible on both a desktop and a smartphone.

A small business owner wants to create an online presence that allows customers from around the globe to purchase their products. Which characteristic of web systems is most directly relevant to achieving this goal?

Reliability
Interactivity
Scalability
Accessibility (correct)

Which of the following design considerations in web architecture primarily addresses the trustworthiness and consistency of a web application for its users?

Efficiency
Monetization
Reliability (correct)
Scalability

A web application experiences a surge in user traffic due to a successful marketing campaign. Which aspect of web architecture is MOST critical to ensure the application maintains performance and availability without crashing?

Scalability (A) Signup and view all the answers

Which of the following best describes the relationship between web architecture and user experience?

User experience is a component of web architecture that focuses on simple or easy navigation for users. (C) Signup and view all the answers

A web application developer is deciding between two database options: one that is faster but less secure, and another that is slower but offers superior security. According to the principles of web architecture, what is the MOST appropriate approach?

Carefully balance the trade-offs, considering the specific security needs and potential risks associated with the application. (C) Signup and view all the answers

Which of the following represents the MOST accurate understanding of how security relates to web architecture?

Security is an integral part of web architecture, influencing design and implementation decisions to protect user data. (B) Signup and view all the answers

A company is designing a new e-commerce website. They anticipate a steady increase in users and product listings over the next few years. Which aspect of web architecture should they prioritize to accommodate this growth?

Scalability (A) Signup and view all the answers

Which characteristic primarily distinguishes Web 2.0 from Web 1.0?

User-generated content and social interaction. (A) Signup and view all the answers

Which of the following is a key feature of Web 3.0 that differentiates it from its predecessors?

Decentralization through blockchain technology and user data ownership. (B) Signup and view all the answers

Which HTTP protocol version introduced features like request/response headers and support for multimedia resources?

HTTP/1.0 (D) Signup and view all the answers

What is the primary advantage of HTTP/3 over its predecessors?

It offers faster connections and improved performance during packet loss with QUIC. (D) Signup and view all the answers

Which of the following best describes the role of a front-end developer in web development?

Designing the visual layout and interactive elements of a website. (B) Signup and view all the answers

In web development, what is the main function of CSS?

Styling and laying out web pages. (B) Signup and view all the answers

How does the Semantic Web enhance traditional web technologies?

By structuring data so that machines can understand its context and meaning. (B) Signup and view all the answers

What role do APIs (Application Programming Interfaces) play in the context of Web 2.0?

They enable websites to integrate with other services and applications. (D) Signup and view all the answers

Which of these options is the core function of web servers?

To store website files and deliver them to users. (C) Signup and view all the answers

Which of the following protocols was referred to as the "one-line protocol?"

HTTP/0.9 (C) Signup and view all the answers

Which of the following accurately describes the key difference between `let` and `var` when declaring variables in JavaScript?

<code>let</code> has block scope and cannot be re-declared in the same scope, while <code>var</code> has function scope or global scope. (B) Signup and view all the answers

Given that `x` is `null`, `y` is `undefined`, and `z` is `0`, which of the following statements is true regarding their data types in JavaScript?

<code>x</code> and <code>y</code> represent the intentional absence of a value, while <code>z</code> is technically a number. (A) Signup and view all the answers

Which JavaScript method would you use to select all `<div>` elements within a webpage?

<code>document.querySelectorAll('div')</code> (A) Signup and view all the answers

Which of the following is a non-primitive data type in JavaScript?

Object (B) Signup and view all the answers

What is the primary purpose of the Document Object Model (DOM) in web development?

To provide a programming interface for web documents, allowing dynamic modification of content and structure. (A) Signup and view all the answers

In JavaScript, which of the following is true about variables declared using `const`?

They must be initialized during declaration and cannot be reassigned later. (A) Signup and view all the answers

Which of the following best describes the purpose of the `innerHTML` property in JavaScript DOM manipulation?

It retrieves the HTML content of an element, including tags and text. (C) Signup and view all the answers

A web developer aims to update the text content of an HTML paragraph with the ID 'myParagraph' to 'Hello, World!'. Which JavaScript code snippet would correctly accomplish this?

<code>document.getElementById('myParagraph').textContent = 'Hello, World!';</code> (D) Signup and view all the answers

Which of the following is NOT a primary benefit of effective web architecture?

Limiting the ability to scale the program or website beyond its original capacity. (A) Signup and view all the answers

In the client-server model, what is the primary responsibility of the server?

Providing services to the client by processing their requests. (C) Signup and view all the answers

What role does the HTTP protocol play in web communication?

It establishes a standard for communication between web browsers and web servers. (B) Signup and view all the answers

Which organization is credited with creating the original HTTP protocol?

Tim Berners-Lee and his team at CERN. (D) Signup and view all the answers

What is the purpose of the 'RFC' designation in relation to internet protocols?

It stands for 'Request for Comments,' outlining technical specifications and standards. (D) Signup and view all the answers

Which HTTP method is typically used to retrieve data from a server?

GET (A) Signup and view all the answers

If a client needs to send form data to a web server, which HTTP method should be used?

POST (D) Signup and view all the answers

Which HTTP method is used for making partial modifications to a resource?

PATCH (A) Signup and view all the answers

During an HTTP request/response cycle, what is the correct order of events?

Client sends request, server processes request, server sends response, client processes response. (B) Signup and view all the answers

What is contained in the HTTP Request Headers?

Key-value pairs containing information about the client's browser and the requested data. (D) Signup and view all the answers

What is the role of HTTP Status Codes in the HTTP response?

To indicate the outcome of the HTTP request, categorized into different blocks (1xx, 2xx, 3xx, 4xx, 5xx). (C) Signup and view all the answers

Which of the following best describes the primary focus of Web 1.0?

Delivering static content with limited user interactivity. (D) Signup and view all the answers

A web developer wants to ensure that a website can handle a significant increase in user traffic without performance degradation. Which aspect of web architecture is MOST relevant to this goal?

Scalability. (B) Signup and view all the answers

A software engineer needs to update a small piece of information about a customer in a database without replacing the whole customer record. Which HTTP method is most suitable for this task?

PATCH (B) Signup and view all the answers

A client receives an HTTP status code in the 400 range. What does this generally indicate?

The client made a mistake in their request. (A) Signup and view all the answers

Which of the following is the primary function of web hosting services?

Storing website files and delivering them to users' browsers. (D) Signup and view all the answers

Which of the following is a key characteristic that distinguishes HTML5 from its predecessors?

Enhanced local storage, supporting more data storage directly in the browser. (C) Signup and view all the answers

Which of the following statements best describes the role of semantic HTML5 tags?

They define the structure and meaning of content in a way that is readable by both humans and machines. (D) Signup and view all the answers

Which of the following is a primary benefit of using semantic HTML tags in web development?

Enhancing website accessibility for users with disabilities and improving SEO (D) Signup and view all the answers

In the context of HTML5, what is the purpose of the `<aside>` element?

To contain content related to the main content, such as sidebars or advertisements. (A) Signup and view all the answers

Which of the following code snippets represents the correct structure for a basic HTML5 document?

<code><!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title></head><body></body></html></code> (C) Signup and view all the answers

What role does CSS3 play in web development, and how does it relate to HTML?

CSS3 is used for controlling the layout, styling, and visual presentation of HTML elements. (B) Signup and view all the answers

Which CSS property is used to control the typeface of text in a webpage?

font-family (C) Signup and view all the answers

In the CSS box model, what is the correct order of layers from the inside out?

Content, padding, border, margin (C) Signup and view all the answers

Which CSS positioning property removes an element from the normal document flow, allowing it to be positioned relative to its nearest positioned ancestor?

absolute (D) Signup and view all the answers

What is the main purpose of using media queries in responsive web design?

To apply different styles based on the characteristics of the device. (B) Signup and view all the answers

When should Flexbox be preferred over Grid layout in CSS?

When the layout involves aligning items in a single row or column. (B) Signup and view all the answers

Which term describes pre-built code templates and functions that simplify development, providing a foundation upon which developers can build applications more efficiently?

Frameworks and Libraries (B) Signup and view all the answers

What is the primary role of a code editor or an IDE (Integrated Development Environment) in web development?

To write, edit, and debug code efficiently. (A) Signup and view all the answers

Which HTML5 element is used to represent self-contained content that could stand alone, such as a blog post or a news article?

<article> (C) Signup and view all the answers

Flashcards

Web System

A combination of software applications and technologies for online services and communication.

Interactive Nature

Allows users to input data and get responses, enhancing engagement.