Telecommunications Engineering homework help

Chapter 1): Compare and contrast the difference of network security within an on-premise environment and a cloud environment. Give some examples of areas that are common and areas that are different.

Chapter 2): Why are firewalls so important within an IT environment? What are the different firewalls and are all types still in use today?

Chapter 4): List three network threats and list the IT infrastructure domain that the threat may harm. Why/How does those threats harm that particular domain?

should be 250-300 words. There must be at least two APA formatted reference (and APA in-text citation) to support your thoughts in the post