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a- Explain the importance of data communications and the Internet in supporting business communications and daily activities.
b- Explain how communication works in data networks and the Internet.
c- Recognize the different internetworking devices and their functions.
d- Explain the role of protocols in networking.
e- Analyze the services and features of the various layers of data networks.
f- Design, calculate, and apply subnet masks and addresses to fulfill networking requirements.
g- Analyze the features and operations of various application layer protocols such as Http, DNS, and SMTP.
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