Software Engineering › Key terms › Y12 Programming for the Web › Domain name system (DNS)
Domain name system (DNS)
Term Key terms bank Y12 Programming for the Web
Also listed as: DNS
Definition
The service that translates a domain name (example.com) into an IP address. Port 53.
Example: DNS looks up the IP address for the site name.
Found in: syllabus, school notes.
Domain name system: name to IP address (port 53).
Where it is used in the test
Syllabus area: Y12 Programming for the Web.
Question types it can appear in
- Multiple choice: Pick the option that matches the definition or example.
- Fill in the blanks: Choose this term to complete a statement or table.
- Matching or table: Match it to its description, example or category.
Where it has appeared in the paper
Programming for the Web (Part A). Part letters follow each paper’s own layout.
Related past questions
- 2025 HSC Q6 (1 mark): Web protocols Programming for the Web (Part A) · 1 mark
These are the questions the flashcard set links to this term. Open each one and compare your answer with its marking criteria.
Other questions that mention it
- Sample exam Q13 Programming for the Web (Part B) · 3 marks
Study links
- Flashcard: Domain name system (DNS) in Programming for the Web (Year 12) · study that set
- Memorise: Applications of web programming: interactive websites, e-commerce, PWAs
- Key terms bank entry: DNS
- Notes: Investigate and practise how data is transferred on the internet, including data… (Programming for the Web (Year 12))
- Notes: How data is transferred: packets, IP addresses, DNS (Programming for the Web (Year 12))
- Notes: Web protocols and their ports (Programming for the Web (Year 12))
- Notes: Investigate and describe the function of web protocols and their ports, including HTTP,… (Programming for the Web (Year 12))
How to use it in an answer
A model sentence
“The service that translates a domain name (example.com) into an IP address.” Then apply it: DNS looks up the IP address for the site name.
In a short answer, give the definition in your own words first, then tie it to the situation in the question. Do not copy the example above unless it fits the scenario.
Command words used with it
- Identify: Recognise and name. (2025 HSC Q6 (1 mark): Web protocols)
Technique for the question types
- Multiple choice: Read all four options, rule out wrong ones, pick one; no penalty for guessing so never leave blank.
- Fill in the blanks: Choose the right word from a list; use exact syllabus terms.
- Matching or table: Tick or match each statement to the right column (for example ORM v SQL, SAST v DAST).
Common mistakes
- Use the term exactly as the syllabus words it, then link it to the scenario in the question; the 2025 feedback repeatedly rewards using the stimulus.
- Answer the command word: outline gives main points only, explain gives a reason or cause, discuss gives both sides.
Related terms
Same group in the syllabus: Interactive website · E-commerce · Progressive web app (PWA) · Data packet · IP address and IPv4