HTML and URL Quiz

What does the acronyms HTML and URL stand for?

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Answer explanation

HTML stands for HyperText Markup Language, which is used for creating web pages. URL stands for Uniform Resource Locator, which is the address used to access resources on the internet.

Give three examples of tags used in HTML code. Why do tags always have to come in pairs?

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Answer explanation

Examples of HTML tags include

for paragraphs,

for headings, and for links. Tags must come in pairs (opening and closing) to define the start and end of an element, ensuring proper structure and rendering in browsers.

Noah is learning about web development and he came across URLs. Emily explained to him that a URL is made up of three components. Can you help Freya identify what these three components are?

• protocol, domain name, path

• query string, anchor, subdomain

• username, password, port

• header, body, footer

Answer explanation

The correct components of a URL are the protocol (e.g., http), the domain name (e.g., example.com), and the path (e.g., /page). These elements work together to locate resources on the web.

What is a 'store and forward' system?

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Answer explanation

A 'store and forward' system is a method of data transmission where messages are temporarily stored at an intermediate point before being forwarded to the final destination, ensuring reliable delivery even if the recipient is unavailable.

Give two benefits and two drawbacks of email.

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Answer explanation

Benefits of email include quick communication and easy documentation. Drawbacks are the potential for miscommunication and spam overload, which can hinder productivity.

Describe the differences between the three email protocols SMTP, POP3 and IMAP.

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Answer explanation

SMTP is used for sending emails, while POP3 and IMAP are for receiving them. POP3 downloads emails to the device and removes them from the server, whereas IMAP syncs emails across devices, keeping them on the server.

Name three methods of transmitting data over a network, and give examples of what each is used for.

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Answer explanation

Three methods of transmitting data over a network are: 1) Ethernet, used for local area networks (LANs); 2) Wi-Fi, used for wireless connections; 3) Fiber optics, used for high-speed internet connections over long distances.

What does VoIP stand for and what is it used for?

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Answer explanation

VoIP stands for Voice over Internet Protocol. It is used for making voice calls using the internet instead of traditional phone lines, allowing for more flexible and often cheaper communication.

Explain the difference between client-side and server-side processing.

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Answer explanation

Client-side processing occurs in the user's browser, allowing for faster interactions and reduced server load. Server-side processing happens on the server, handling data management and complex computations, ensuring security and consistency.

Give three examples of data types that can be used in a database field.

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Answer explanation

Three examples of data types that can be used in a database field are: 1) Integer, for whole numbers; 2) Varchar, for variable-length strings; 3) Date, for storing date values. These types help define the kind of data stored.