Computer Networks and Network Security
IBM · View on Coursera ↗
Taught by IBM Skills Network Team
Information TechnologyComputer Science
About the course
The US Bureau of Labor Statistics forecasts a 32% growth in information security analyst jobs until 2032. These analysts are in demand as part of the team that keeps networks secure. This course provides practical hands-on computer networking and network security experience that employers want. Through innovative hands-on labs, you'll learn how to secure a small home office network (SOHO), install and configure DHCP, and filter DNS. You’ll also get real-world practice installing and using a
The dissent
The most-upvoted critical review (24 votes, 2.0★).
“The sound quality of most lectures is bad. Some lectures seem chaotic/unstructured and not very well prepared. In week three there are two videos of 8 minutes which contain only one slide, which could have been divided into more slides. Some slides have a too small script. One video seems just like an advertisement for one of IBM's software products. Although the instructors are experts in their respective field, they do not seem to have much expertise in giving lectures.”
Coursera's 4.7 comes from 3,530 ratings. Of those, 2.1% are 1–2★.
Starisk reads the reviews learners voted most helpful, and weights each by the square root of its votes: a review with 80 upvotes counts about five times one with 2. Unvoted reviews are not skipped out of laziness — by this model they carry no evidence that other students endorsed them.
That measures what the most-endorsed reviews say, not “true quality.” The rating distribution above is the whole population, so you can see the sample next to it.
Reviews read on 23 Oct 2026.Read them on Coursera ↗