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Answer 1

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Answer 2

Hey friend here is your answer...................

27. Security measures to ensure safety from online threat are-
1. Create strong passwords:They should be at least 10 digits long, use a mix of upper- and lower-case letters, numbers and symbols .

2.Protect your Wi-Fi with a password. An unsecured network is like an unlocked house. But a secure Wi-Fi network is like a firewall around your personal data. 

3. Always back up your data. To avoid losing your photos, documents, music and programs (to a hacker or a crash), get an external hard drive, ideally one that automatically backs up your data every day or at least weekly.

4.Keep all software updated:From anti-virus software to computer operating systems, ensure your software is updated. When a new version of software is released, the version usually includes fixes for security vulnerabilities.

5.Bolster access control:Boost access control measures by using a strong password system.

28.1.Internet-a global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardized communication protocols.

2.LAN-A local area network (LAN) is a network that connects computers and other devices in a relatively small area, typically a single building or a group of buildings.

3. Instant messaging:Instant messaging technology is a type of online chat that offers real-time text transmission over the Internet.

4. Blog:A blog is a form of journal on the Internet that allows you to write posts and entries about your life, hobbies, opinions, and other topics that interest you.

5.P2P architecture:Peer-to-peer architecture (P2P architecture) is a commonly used computer networking architecture in which each workstation, or node, has the same capabilities and responsibilities.

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