You will need an Internet connection - NSC Information Technology - Question 3 - 2017 - Paper 2
Question 3
You will need an Internet connection.
3.1.1 Name ONE type of broadband Internet connection that could be used.
3.1.2 State TWO advantages of the type of broadband ... show full transcript
Worked Solution & Example Answer:You will need an Internet connection - NSC Information Technology - Question 3 - 2017 - Paper 2
Step 1
3.1.1 Name ONE type of broadband Internet connection that could be used.
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Answer
One type of broadband Internet connection that could be used is ADSL.
Step 2
3.1.2 State TWO advantages of the type of broadband connection mentioned in QUESTION 3.1.1.
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ADSL is widely available in South African cities, allowing connectivity for many users.
It offers a fast data transfer rate, ensuring efficient Internet usage.
Step 3
3.2.1 Briefly explain why a router is able to manage the bandwidth of a network efficiently.
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A router manages bandwidth by inspecting data packets as they arrive and determining their correct destination. This allows it to prioritize traffic and ensure that bandwidth is allocated efficiently across the network.
Step 4
3.2.2 State TWO other functions of a router.
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Connects different network types together, ensuring seamless communication.
Enables various devices to share a single Internet connection, greatly enhancing connectivity.
Step 5
3.3.1 Name ONE advantage of a wireless network.
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An advantage of a wireless network is its mobility, allowing devices to connect without being tethered by cables.
Step 6
3.3.2 List TWO disadvantages of a wireless network.
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Wireless networks can experience interference from other electronic devices, affecting performance.
They are often slower than wired networks, which can impact activities requiring stable connections.
Step 7
3.4.1 State what a search engine does.
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A search engine acts as an information locator that retrieves data based on keywords or phrases entered by the user seeking information.
Step 8
3.4.2 Explain the purpose of search engine optimisation.
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The purpose of search engine optimisation (SEO) is to enhance a website’s visibility in search engine results, ultimately aiming for higher traffic and better engagement.
Step 9
3.4.3 List THREE ways in which search engine companies try to improve the searching of content on the Web.
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Profiled or customised searches that tailor results according to user behavior.
Context-aware searches that consider current context and location.
Mediated searches that involve human input alongside automated processes.
Step 10
3.4.4 Describe ONE of the ways stated in QUESTION 3.4.3.
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Profiled or customised searches use algorithms to adapt results based on previous user interactions, enhancing the chances of displaying relevant content.
Step 11
3.5.1 Differentiate between HTML and JavaScript.
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HTML is a markup language used for structuring content on the web, while JavaScript is a scripting language that enables interactive and dynamic features on websites.
Step 12
3.5.2 You might also need a server side scripting language. Give TWO examples of server side programming languages.
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PHP
Ruby
Step 13
3.5.3 Indicate why one would prefer server side technology over the client.
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Server-side technology is preferred because it allows for better security, as sensitive processes are handled on the server rather than exposing them to the client.
Step 14
3.5.4 Give ONE advantage of using Cascading Style Sheets.
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An advantage of using Cascading Style Sheets (CSS) is the ability to maintain consistent styling across multiple web pages with ease, effectively improving website design efficiency.
