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Item 244 of 426 · Year 12: Programming for the Web, 10 of 59

SSL/TLS certificate

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Definition

SSL certificate Y12 Programming for the Web Term

A digital certificate issued by a trusted certificate authority that proves a website's identity and contains its public key, enabling HTTPS.

Example: The padlock shows a valid SSL certificate.

Found in: school notes.

SSL and TLS Y12 Programming for the Web Term

Secure Sockets Layer and Transport Layer Security encrypt data in transit and authenticate the server; TLS is the modern replacement for SSL. They secure other protocols (HTTP becomes HTTPS).

Example: TLS encrypts the connection.

Found in: syllabus, sample exam and familiarisation guidelines, school notes.

Short version to memorise (key terms bank)

Proves a site's identity and enables HTTPS.

Where you'll use it 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.
Short answer: Define, outline or explain it and tie it to the scenario.
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.

How to use it

A model sentence

General advice, built from the definition and example above

“A digital certificate issued by a trusted certificate authority that proves a website's identity and contains its public key, enabling HTTPS.” Then apply it: The padlock shows a valid SSL certificate.

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

From the linked past questions

Identify: Recognise and name. (2025 HSC Q6 (1 mark): Web protocols)

Go deeper

Flashcard: SSL certificate in Programming for the Web (Year 12) · study that set
Flashcard: SSL and TLS in Programming for the Web (Year 12) · study that set
Memorise: Processes for securing the web
Memorise: Web protocols and their ports
Key terms bank entry: SSL/TLS certificate
Notes: Explain the processes for securing the web, including Secure Sockets Layer (SSL)… (Programming for the Web (Year 12))
Full term page: every question, note and marking comment for SSL/TLS certificate

Check yourself

Explain “SSL/TLS certificate” in one sentence, give an example, and name a question type that could test it.

Reveal the answer

SSL certificate: A digital certificate issued by a trusted certificate authority that proves a website's identity and contains its public key, enabling HTTPS.

Example: The padlock shows a valid SSL certificate.

SSL and TLS: Secure Sockets Layer and Transport Layer Security encrypt data in transit and authenticate the server; TLS is the modern replacement for SSL. They secure other protocols (HTTP becomes HTTPS).

Example: TLS encrypts the connection.

Could be tested as: Multiple choice, Fill in the blanks, Short answer, Matching or table.

Quick multiple choice

What is the main purpose of an SSL/TLS certificate?

To store the user's cookies
To prove the identity of the website and enable an encrypted connection
To validate the HTML
To make the website load faster

Show the answer

Certificates issued by a trusted certificate authority bind a public key to a domain, so browsers can authenticate the server and set up encryption.

Source: original (written for this study pack; not a NESA question). Open it in the multiple-choice bank.