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6,774 ratings
About the Course
This course provides a brief introduction to network architecture, operations, intrusion tactics, and security hardening. Learners will also be introduced to common network protocols and how systems use the TCP/IP model to communicate within a network. Learners will gain an understanding of network level vulnerabilities and how to secure a network against those vulnerabilities. Network security topics will include firewalls, virtual private networks (VPNs), system hardening, and virtual private networks.
By the end of this course, you will:
- Describe the structure of different computer networks.
- Illustrate how data is sent and received over a network.
- Recognize common network protocols.
- Identify common network security measures and protocols.
- Explain how to secure a network against intrusion tactics.
- Compare and contrast local networks to cloud computing.
- Explain the different types of system hardening techniques.
Top reviews
EG
Oct 27, 2023
Simply amazing, just LOTS of resources and new information. Couldn't have asked for a better explanation to be honest. Felt overwhelming sometimes but I loved every detail about this one!
SD
Oct 13, 2024
it was amazing and all the concepts were simply explained . thank uh coursera for making it easier for me to understand these new topics to me in such a convient and simplified way
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1076 - 1077 of 1,077 Reviews for Connect and Protect: Networks and Network Security
By Daniel P
•Aug 12, 2025
Good course if you learn by definitions but horrible for learning hands on! You get zero hands on learning. It's all definition based learning! I give it one star. Nothing but videos and glossary based learning, no real time hands on stuff here!
By A L
•Sep 10, 2025
Im not signed up and it wont leave my learning screen