Hi, please answer the following questions for me. Describe three scenarios in wh

Question

Hi, please answer the following questions for me.

Describe three scenarios in which instant communication plays a crucial role. List three differences between Web blogs and Wikis. Give three reasons how teaching and learning can be improved using information network. Give two problems that can occur with online teaching and learning. Explain the following devices: Firewall IP Phone LAN Switch outer Explain what is meant by the following: Fault tolerance Quality of Service Scalability Give two differences between circuit switching and packet switching. Give two scenarios in which any security breach can cause loss of Business Reputation Explain the term "CIA" What is the purpose of a firewall? Give three techniques for User Authentication.

Explanation / Answer

1.

1) In the company, colleagues can send and reply instant message in real time without face to face, meanwhile the work report can be shared during the instant chat session.

2)Instant Messaging/communication can make a virtual conference without get all the related people together in a physical meeting room.

3)In case of medical emergency as well to share the information among large number of people.

2. Web Blog:-It is owned by an individual. Blog Post

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