6.1 One of the players sent an e-mail with the following e-mail address to the organisers:
schoolgaming@windermere.co.za
6.1.1 State the domain name of the e-mail - NSC Information Technology - Question 6 - 2017 - Paper 2
Question 6
6.1 One of the players sent an e-mail with the following e-mail address to the organisers:
schoolgaming@windermere.co.za
6.1.1 State the domain name of the e-mail.... show full transcript
Worked Solution & Example Answer:6.1 One of the players sent an e-mail with the following e-mail address to the organisers:
schoolgaming@windermere.co.za
6.1.1 State the domain name of the e-mail - NSC Information Technology - Question 6 - 2017 - Paper 2
Step 1
6.1.1 State the domain name of the e-mail.
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The domain name of the e-mail is windermere.co.za.
Step 2
6.1.2 Name the e-mail recipients below that will not be disclosed in the e-mail to others.
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The e-mail recipients that will not be disclosed are:
FROM: Alexander Xavier
BCC: Marlene Heyns, Kerry Mansen
Step 3
6.1.3 What is the general name of malware that refers to the forging of an e-mail header, so that the e-mail appears to originate from a different source?
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This type of malware is generally referred to as spoofing.
Step 4
6.2.1 Explain what is meant by SSL.
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SSL stands for Secure Sockets Layer, which is an encryption protocol used to ensure secure communication over the internet. It protects sensitive data during transmission by encrypting the data sent between a web server and a browser.
Step 5
6.2.2 State TWO pieces of information that can be found on a digital certificate.
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Two pieces of information that can be found on a digital certificate are:
Identification information of the user.
The validity period of the digital certificate.
Step 6
6.3.1 Explain what is meant by archiving files.
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Archiving files refers to the process of compressing and moving files to a storage medium to free up space on the main storage device. This often involves saving older or less frequently accessed data in a compressed format to reduce storage requirements.
Step 7
6.3.2 Will more disk space be saved if archived files are moved from a physical server to a virtual server? Motivate your answer.
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Yes, moving archived files from a physical server to a virtual server can save more disk space. Virtual servers can use efficient storage techniques and can be configured to minimize resource usage. However, this relies on proper management of resources on the virtual server.
Step 8
6.4.1 Explain what can be done to save bandwidth while streaming.
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To save bandwidth while streaming, users can adjust the quality settings of the stream to a lower resolution or use settings that are optimized for bandwidth usage, such as reducing the bitrate.
Step 9
6.4.2 Explain how a firewall could be used for this purpose.
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A firewall can be configured to allow only specific or authorized incoming and outgoing traffic. This helps to block unwanted web traffic and can limit access to certain websites, thus optimizing bandwidth.
Step 10
6.4.3 Why is it usually quicker to use BitTorrent protocol to download a file rather than downloading the file directly from a server?
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BitTorrent can download pieces of files from multiple sources simultaneously, which often results in faster download speeds compared to downloading from a single server that may be limited to one connection.
Step 11
6.4.4 Is this statement true? Motivate your answer.
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No, using BitTorrent itself is not illegal; however, it is important to ensure that the files being downloaded are legal, as the protocol often used for sharing large files could also facilitate piracy.
Step 12
6.5.1 Explain what near field communication (NFC) means.
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Near field communication (NFC) is a set of communication standards that allow devices to exchange data over short distances, typically within a few centimeters. It is commonly used for contactless payments and data transfer between devices.
Step 13
6.5.2 What is this communication standard called?
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The communication standard that NFC originated from is called RFID (Radio Frequency Identification).
Step 14
6.6.1 Motivate why the same application needs to be programmed differently for different operating systems.
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Different operating systems have distinct architectures and user interfaces that require specific programming to ensure compatibility. Features and functionalities may also differ, thus necessitating tailored programming.
Step 15
6.6.2 Use an example to explain the concept of backward compatibility.
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Backward compatibility means that new software can run on older systems or versions. For example, a new game designed for Windows 10 should still function on Windows 8 if it is backward compatible.
Step 16
6.7.1 Why is scalability important when designing online games?
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Scalability is essential to ensure that a game can support an increasing number of players without compromising performance. It allows the game to adapt to varying load conditions.
Step 17
6.7.2 Why will security be a challenge for a peer-to-peer network?
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In a peer-to-peer network, each participant can be both a client and a server, which increases the vulnerability to attacks as every device can serve as an entry point for malicious activities.
Step 18
6.8.1 Briefly explain what an app is.
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An app, short for application, is a software program designed to run on mobile devices, providing specific functionalities or services to users.
Step 19
6.8.2 Give TWO reasons why gamers wanting to register for the gaming event might prefer to use an app instead of the website.
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Apps can provide dedicated access with immediate notifications for events or updates.
They typically offer faster access and a more user-friendly experience compared to using a web browser.
Step 20
6.9.1 Explain what firmware is.
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Firmware is a type of software that is permanently installed on hardware devices, allowing them to perform specific functions or operations.
Step 21
6.9.2 (a) Explain what a plug-in is.
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A plug-in is software that adds specific features or functionalities to an existing application, enhancing its capabilities.
Step 22
6.9.2 (b) How does the fact that the headset supports plug-ins benefit the gamer?
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The ability to support plug-ins allows gamers to enhance their gaming experience by adding new functionalities, such as using external audio or video features that the base software does not provide.
Step 23
6.9.3 Name TWO possible types of sensors found on gaming devices.
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Two possible types of sensors found on gaming devices are:
Motion sensors
Light sensors
Step 24
6.9.4 What is the field called when a computer system simulates human decision-making?
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This field is commonly referred to as Artificial Intelligence (AI).
