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6.1 WatchMore Inc - NSC Information Technology - Question 6 - 2023 - Paper 2

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6.1 WatchMore Inc. is an international entertainment company that specializes in streaming television shows and movies. 6.1.1 Define the term VOD service. 6.1.2 Ea... show full transcript

Worked Solution & Example Answer:6.1 WatchMore Inc - NSC Information Technology - Question 6 - 2023 - Paper 2

Step 1

Define the term VOD service.

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Answer

Video on demand (VOD) service is a content delivery platform that allows users to choose and watch video content at their convenience, rather than being bound to a scheduled broadcast.

Step 2

State TWO aspects that will be addressed by an EULA.

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  1. Users' rights regarding the use of content.
  2. Restrictions on the number of devices on which the service can be used.

Step 3

Explain how geo-blocking works to deny users access to certain content of a VOD service.

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Geo-blocking restricts access to content based on the user's IP address. By identifying the geographical location, providers can block users in certain regions from accessing specific content, thus enforcing licensing agreements.

Step 4

Give TWO ergonomic guidelines to avoid potential health problems.

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  1. Ensure your workstation is set up to keep your back straight and your arms parallel to the ground when typing.
  2. Take regular breaks to stretch and reduce eye strain from screen time.

Step 5

Explain why VOD content will be streamed and not downloaded.

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VOD content is streamed to allow immediate access without consuming significant storage space on devices. It also permits content to be delivered in real-time while incorporating DRM protections against unauthorized distribution.

Step 6

What type of compression will be used on the type of content offered on VOD services?

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Lossy compression is typically used for VOD services as it reduces file sizes significantly by removing some data deemed less critical to overall quality.

Step 7

Explain why the answer to QUESTION 6.3.2(a) is most suitable for this type of content.

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Lossy compression is suitable for VOD services since it balances quality and storage efficiency, allowing faster streaming without overwhelming network bandwidth.

Step 8

State ONE way in which the user can determine whether the site providing the payment platform uses a secure connection.

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Users can check for 'https://' in the URL, indicating that the site uses a secure connection.

Step 9

Motivate the need for encryption when doing online payments.

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Encryption protects sensitive user information during transactions, ensuring that data is safeguarded against interception or unauthorized access.

Step 10

Explain the THREE basic steps of SSL encryption in short.

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Answer

  1. The client connects to the server and requests a secure session.
  2. The server sends its SSL certificate to prove its identity.
  3. A session key is generated for encrypted communication between the client and the server.

Step 11

Explain ONE technique used by cyber criminals to obtain the banking information of internet users.

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Phishing is a common technique where criminals send fraudulent emails that mimic legitimate sources to trick users into providing personal banking information.

Step 12

Explain the concept of scalability in this context.

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Scalability refers to the system's ability to handle an increasing number of users by efficiently expanding its resources and services to meet demand.

Step 13

Describe TWO different ways in which virtualisation can be used to make their service scalable.

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  1. Load balancing across multiple virtual servers to distribute user requests more evenly.
  2. Creating additional virtual instances on-demand to meet spikes in user activity.

Step 14

Motivate which ONE of these two approaches you will recommend based on the given scenario.

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Replication is recommended since it ensures that users can access the same data from multiple locations, improving availability and reducing latency.

Step 15

How can you ensure that databases that form part of a distributed database model at a company contain the same information over time as changes are made?

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Regular synchronization of databases ensures that any changes in one database are replicated across others in real-time, maintaining data consistency.

Step 16

Define AI.

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Artificial Intelligence (AI) refers to the simulation of human intelligence processes by machines, particularly computer systems, enabling them to perform tasks typically requiring human intellect.

Step 17

State ONE advantage of using a chatbot to deal with user enquiries in this scenario.

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A chatbot can handle multiple user inquiries simultaneously, providing quick responses and improving customer service efficiency.

Step 18

Give TWO reasons why it would be more appropriate to use a real person rather than a chatbot to handle user chats.

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  1. Humans can offer empathy and understand complex emotional responses better than a chatbot.
  2. Real people can answer diverse queries beyond the routine responses a chatbot can provide.

Step 19

Discuss any TWO other steps in relation to the scenario by giving a practical example from the scenario.

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  1. Analyzing the cleaned data to identify trends in user preferences, such as which genres are more popular.
  2. Making predictions about future content offerings based on historical viewing data.

Step 20

Discuss TWO specific challenges when working with big data.

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  1. Managing vast amounts of data requires significant storage and processing capabilities.
  2. Ensuring data quality and relevance is challenging due to the volume and rapid growth of incoming data.

Step 21

Critically evaluate this practice in terms of possible negative effects/impacts on users.

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Personalized content recommendations may limit users' exposure to diverse genres, fostering a narrow view of available content. Users might also feel uncomfortable with privacy concerns regarding data usage.

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