IB Computer Science Topic C.4 the Evolving Web…

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Question

SLPaper 2

A non-profit organization is launching an international educational portal named 'EduGlobal'. The portal provides interactive learning modules, a searchable database of academic papers, and a private forum for registered educators.

The portal is hosted on a central server and accessed via the URL: https://www.eduglobal-portal.org/resources/index.php.

To ensure high performance, the developers must decide which tasks are handled by the user's browser and which are handled by the server. They also need to ensure the site is easily discoverable by search engines while keeping sensitive data secure.

(a)

two components of the URL https://www.eduglobal-portal.org/resources/index.php.

[2]

(b)

When a user signs up for the forum, a script checks if the password meets the minimum length requirements.

one advantage of performing this check using client-side scripting rather than server-side scripting.

[2]

(c)

the HTTP status code that the server would return to a browser if a student attempts to access a deleted lesson page.

[1]

(d)

The 'EduGlobal' team adds new research papers to the portal every week. one way a web crawler (spider) identifies that new content has been added to the site's index.

[2]

(e)

The 'EduGlobal' portal must be accessible to students using various browsers (e.g., Chrome, Safari, Firefox) and different operating systems.

the role of the World Wide Web Consortium (W3C) in making this possible.

[4]

(f)

The portal consists of a public blog and a private database of academic papers that requires a subscription to access.

between the Surface Web and the Deep Web in the context of this portal, and why the academic papers might not appear in general search engine results.

[5]

SLPaper 2

The evolution of the World Wide Web is supported by a set of protocols and standards that ensure global compatibility and information retrieval. While often used interchangeably, the technical distinction between the underlying infrastructure and the services running on it is fundamental to web science.

(a)

between the physical infrastructure of the Internet and the software-based service known as the World Wide Web.

[3]

(b)

the sequence of events that occurs during a standard Hypertext Transfer Protocol (HTTP) "GET" request cycle.

[3]

SLPaper 2

The infrastructure of the World Wide Web is increasingly moving toward decentralized models. Technologies such as BitTorrent and the InterPlanetary File System (IPFS) utilize peer-to-peer (P2P) protocols and distributed architectures to manage data storage and retrieval.

Unlike traditional web hosting, which relies on location-addressing (URLs pointing to specific servers), distributed approaches often use content-addressing where data is identified by its cryptographic hash. This shifting landscape impacts how files are found, distributed, and maintained across the globe.

(a)

how a BitTorrent client utilizes a "swarm" to facilitate the download of a large file.

[3]

(b)

two differences between the traditional Client-Server model and the Peer-to-Peer (P2P) model for web-based applications.

Practice IB Computer Science (CS) Topic C.4 the Evolving Web with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for C.4 the Evolving Web and mirrors Paper 1, 2, 3 style where relevant.

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IB Computer Science C.4 the Evolving Web Questionbank

IB Computer Science C.4 the Evolving Web Questionbank

IB Computer Science C.4 the Evolving Web Questionbank

IB Computer Science C.4 the Evolving Web Questionbank

IB Computer Science (CS) Topic C.4 the Evolving Web Questionbank