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Containers package an app with its dependencies and share the host OS kernel, making them far lighter than VMs, which each run a full guest OS. * VMs stack a full guest OS under every app (heavy); containers run apps on a shared host kernel via the engine (lightweight). * Bar...

Quiz: WEBT / Advanced Topics | updated: Jul 31, 2026

A static CMS pre-generates HTML files ahead of time for speed and security, while a dynamic CMS builds each page from the database on every request for real-time flexibility. * Static vs dynamic CMS: a static CMS generates all pages at build time and serves files; a dynamic CMS...

Quiz: WEBT / Advanced Topics | updated: Jul 31, 2026

A Dockerfile is a text recipe of instructions — starting from a base image — that docker build runs to produce a container image. * A Dockerfile's instructions plus its base image are combined by docker build into your own runnable image. * FROM node:24.0.2-alpine3.20 COPY src/...

Quiz: WEBT / Advanced Topics | updated: Jul 31, 2026

Widely used systems include the dynamic PHP open-source CMSes WordPress, Drupal, Joomla, and Typo3, plus the static generator Hugo. Commercial: Adobe Experience Manager (AEM) Microsoft SharePoint Open Source (Dynamic, PHP-based): WordPress - most widely used CMS globally Drupa...

Quiz: WEBT / Advanced Topics | updated: Jul 31, 2026

A web app moves through four phases — pre-project, development, deployment, and operations — and the cycle repeats as new features are added. * A web app's lifecycle runs pre-project → development → deployment → operations, then loops back to development whenever new features ar...

Quiz: WEBT / Advanced Topics | updated: Jul 31, 2026

Run an image by creating a container from it with docker create (mapping ports with -p), then launching it with docker start. # Create container with port mapping $ docker create -p 80:80 --name myweb myapp:latest # Start the container $ docker start myweb Port mapping -p 80:80...

Quiz: WEBT / Advanced Topics | updated: Jul 31, 2026

A full web app splits into three pieces: the client (frontend) that runs in the browser, the server (backend) that runs on a machine you control, and the communication layer that carries data between them. * A full web application is three tiers over the wire: the browser sends...

Quiz: WEBT / Advanced Topics | updated: Jul 31, 2026

Web testing climbs four levels — unit, integration, system, and acceptance — each widening the scope from single functions to whole-business requirements. * The four levels of software testing, each widening the scope from single units up to whole-business acceptance. * Test...

Quiz: WEBT / Advanced Topics | updated: Jul 31, 2026

Attach containers to a shared Docker network so they can reach each other by container name as a hostname. * On a shared Docker network, containers reach each other by container name as hostname; the host maps port 80 to the app container. * # Create a network $ docker network c...

Quiz: WEBT / Advanced Topics | updated: Jul 31, 2026

Register your domain directly with a registrar rather than through your web host, so you keep ownership and can switch hosts freely. Why separate from hosting: Independence - switch hosts without domain issues Control - maintain ownership regardless of host Flexibility - point d...

Quiz: WEBT / Advanced Topics | updated: Jul 31, 2026