5.1 Give TWO reasons for connecting computers in a network - NSC Computer Application Technology - Question 5 - 2016 - Paper 2

One feature is read receipts, which notify the sender when the recipient has opened or read the message.

Social networks like Facebook primarily monetize through advertising. They collect user data to target ads effectively, ensuring that advertisers reach their desired audience more efficiently.

1. Limited range, which can restrict connectivity if users are too far apart.
2. Potential security issues, such as vulnerability to eavesdropping or unauthorized access to devices.

1. Streaming video or audio content, which requires high bandwidth for uninterrupted playback.
2. Online gaming, where a stable and fast connection is crucial for real-time interactions.

1. Reducing file size allows for faster upload times and saves bandwidth.
2. It uses less online storage space, making it more cost-effective.

One effective technology is HTTPS (Hypertext Transfer Protocol Secure), which encrypts data exchanged between the user and the server.

The most commonly used protocol for Wireless Local Area Networks (WLAN) is Wi-Fi, specifically standards like 802.11a/b/g/n.

1. Pop-ups can be irritating and distracting, disrupting the browsing experience.
2. They may contain malware or malicious content that can harm the device.

The 'History' feature tracks and displays the pages visited previously, allowing users to easily revisit them or manage their browsing history.