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Kolade Chris
455 lines
7.0 KiB
Markdown
455 lines
7.0 KiB
Markdown
---
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id: 6a02e90ad969a6287d1b4f87
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title: HTTP and the Web Standards Model Quiz
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challengeType: 8
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dashedName: quiz-http-and-the-web-standards-model
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---
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# --description--
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To pass the quiz, you must correctly answer at least 18 of the 20 questions below.
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# --quizzes--
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## --quiz--
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### --question--
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#### --text--
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What does DNS stand for, and what is its primary function?
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#### --distractors--
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Data Naming System, it encrypts domain names before sending them over the network.
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---
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Domain Node Server, it stores files for websites so browsers can download them.
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---
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Dynamic Network Service, it assigns IP addresses to devices when they connect.
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#### --answer--
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Domain Name System, it translates human-readable domain names into IP addresses.
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### --question--
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#### --text--
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In the DNS resolution process, which component performs the iterative queries through Root Servers, TLD Servers, and Authoritative Name Servers?
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#### --distractors--
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The Authoritative Name Server
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---
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The TLD Server
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---
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The Root Server
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#### --answer--
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The Recursive Resolver
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### --question--
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#### --text--
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What does TCP do that the Internet Protocol (IP) alone does not?
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#### --distractors--
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It routes packets from source to destination using IP addresses.
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---
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It encrypts data before sending it over the network.
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---
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It assigns domain names to IP addresses.
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#### --answer--
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It ensures reliable, ordered delivery by numbering segments and requesting retransmission of lost packets.
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### --question--
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#### --text--
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Which HTTP method should be used to partially update an existing resource on a server?
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#### --distractors--
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`PUT`
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---
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`POST`
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---
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`DELETE`
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#### --answer--
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`PATCH`
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### --question--
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#### --text--
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What is the correct `Content-Type` header for serving a JSON response?
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#### --distractors--
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`text/json`
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---
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`text/plain`
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---
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`application/xml`
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#### --answer--
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`application/json`
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### --question--
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#### --text--
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Which HTTP status code indicates that a requested resource has been permanently moved to a new URL?
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#### --distractors--
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`302`
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---
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`304`
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---
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`404`
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#### --answer--
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`301`
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### --question--
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#### --text--
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What is the difference between a `401 Unauthorized` and a `403 Forbidden` response?
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#### --distractors--
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`401` means the server crashed while `403` means the resource does not exist.
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---
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`401` is a client error while `403` is a server error.
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---
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`401` means the resource was permanently moved while `403` means it was temporarily moved.
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#### --answer--
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`401` means credentials are required while `403` means the client has valid credentials but lacks permission for the resource.
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### --question--
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#### --text--
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Which part of an HTTP request contains the method, path, and HTTP version?
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#### --distractors--
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The response body
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---
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The request body
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---
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The request headers
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#### --answer--
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The request line
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### --question--
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#### --text--
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What does the `304 Not Modified` status code tell the client?
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#### --distractors--
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The resource was deleted from the server.
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---
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The request was malformed and should be resent.
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---
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The server is temporarily unavailable.
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#### --answer--
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The resource has not changed since the last request, so the client should use its cached version.
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### --question--
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#### --text--
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In the HTTP request-response cycle, what happens immediately after the server processes the request?
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#### --distractors--
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The client sends a second request to confirm receipt.
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---
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The DNS resolver caches the response.
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---
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The client initiates a new TCP connection.
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#### --answer--
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The server prepares a response with a status code, headers, and an optional body.
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### --question--
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#### --text--
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Which HTML attribute specifies where a form sends its data when submitted?
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#### --distractors--
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`method`
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---
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`name`
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---
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`type`
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#### --answer--
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`action`
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### --question--
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#### --text--
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Why must server-side validation always be performed even when client-side validation is already in place?
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#### --distractors--
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Client-side validation is not supported in modern browsers.
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---
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Server-side validation is only needed for file uploads.
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---
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Client-side validation runs faster than server-side validation.
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#### --answer--
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Client-side validation can be bypassed, so server-side validation is required for security.
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### --question--
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#### --text--
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Which standards body maintains HTML and the DOM as a continuously updated living standard?
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#### --distractors--
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W3C
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---
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ECMA International
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---
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Khronos Group
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#### --answer--
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WHATWG
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### --question--
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#### --text--
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What is TC39, and what is its role in the web standards ecosystem?
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#### --distractors--
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A W3C working group responsible for CSS specifications.
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---
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A browser vendor consortium that decides which features ship in Chrome.
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---
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A Khronos Group committee that manages WebGL standards.
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#### --answer--
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A technical committee within ECMA International that advances JavaScript language features through a five-stage proposal process.
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### --question--
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#### --text--
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During which stage of the web standards lifecycle does a feature get stress-tested through open discussion, use-case gathering, and competing design approaches?
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#### --distractors--
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Specification testing
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---
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Finalization testing
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---
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Interoperability testing
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#### --answer--
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Incubation
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### --question--
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#### --text--
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What is the purpose of the W3C Web Platform Tests suite during the standards process?
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#### --distractors--
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To rank browser performance for marketing purposes.
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---
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To replace the need for a written specification.
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---
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To allow developers to submit new feature proposals.
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#### --answer--
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To verify that every browser implements a feature identically.
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### --question--
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#### --text--
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Which principle of web standards ensures that a page built to specification behaves the same way in Chrome, Firefox, and Safari?
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#### --distractors--
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Backwards compatibility
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---
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Progressive enhancement
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---
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Openness
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#### --answer--
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Interoperability
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### --question--
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#### --text--
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What does the principle of progressive enhancement require when designing a web feature?
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#### --distractors--
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The feature must only target the latest browser versions.
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---
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The feature must be implemented in JavaScript before CSS or HTML.
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The feature must be finalized before any browser can implement it.
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#### --answer--
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The feature must work for everyone first, then improve for users with more capable browsers or devices.
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### --question--
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#### --text--
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Why does the web maintain near-absolute backwards compatibility when introducing new standards?
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#### --distractors--
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New standards always replace old ones, so older pages are automatically updated.
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---
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Browser vendors are legally required to support every page ever published.
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Old pages are archived and served from a separate network.
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#### --answer--
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So that pages built years ago continue to work correctly in modern browsers.
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### --question--
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#### --text--
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Which HTTP status code category is used for server-side errors?
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#### --distractors--
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`2xx`
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`3xx`
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---
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`4xx`
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#### --answer--
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`5xx`
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