The DB course particularly sticks out. My undergrad's DB course was fathoms harder than this. This is what you'd expect a highschooler should be able to learn through a tutorial not a university course.
If it doesn't talk about systems calls like mmap, locking and the design of the buffer pool manager, it's not a university Database course it's a SQL and ER modelling tutorial.
The OMSCS program is well known and well respected in the tech industry. It's a masters degree from the currently 8th ranked computer science school in the U.S.
The university make no distinction between students who take the courses online, vs in person. I.e., the diploma's are identical.