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Usability / Accessibility
- What is the difference between a radio button and a checkbox?
- The options in a radio button are mutually exclusive. The options in checkboxes can be many.
- Give a definition of “easy to use”.
- Open question: The answer should contain the following concepts: learnable, affordable, memorable, visibility and feedback.
- Explain Fitts’s law.
- Fitts’s law is a model of human movement in human–computer interaction and ergonomics that predicts that the time required to rapidly move to a target area is a function of the distance to and the size of the target. Fitts’s law is used to model the act of pointing, either by physically touching an object with a hand or finger, or virtually, by pointing to an object on a computer monitor using a pointing device.
- List and explain 5 techniques to make a page accessible to disabled people.
- Open question
- Why are dropdown menu’s good/bad for usability?
- Good for frequent usage: high learning curve. Technical limitations can be difficult to overcome from a technical point of view. Bad for first-time users because it hides the possibilities and the navigation cannot be scanned.
Web development – server side
- What is a CMS?
- Possible answers: technical system / system to manage content
- List daily/weekly/monthly tasks of webmaster?
- Daily: e-mail / telephone support, making sure the websites are accessible all the time
Weekly/Monthly: Gathering user requirements, Performance monitoring, Bug fixes, Implement feature requests
Monthly: Training new users, Reporting - What is an API?
- Application programming interface
- Explain the concept of cross domain requests and the security implications and possible solutions.
- HTTPrequest are limited to the domain it is originating from which makes it difficult to communicate across different domains. Possible solution include switching to JSON which is a JavaScript native format, or using a crossdomain.xml document on the requested domain to allow cross domain request between the two.
- What is the difference between 301 and 302 HTTP redirects?
- 301: Moved permanently
302: Temporary redirect
Contact me and let me know if you think something is missing or wrong.