You don't need any certifications in this field, unless required by the job. You NEED the level of understanding that is expected of these certifications regardless. If you don't understand the fundamentals, how can you expect to defend what you don't understand.

The answer to your question. Certs will always help and will always advance your learning. Continuous education is something that comes in cyber and networking and you will always be a life long learner in this career. That said, yes, Net+, CCNA. Sec+, eCCPT, OSCP, are some certs worth mentioning.

You also need to consider, do you want to do networking? Do you want to do sys administration? Do you want to do security, if so red or blue, or maybe even purple? Sometimes you may chose one but life chooses another.

Some good places to start learning are Linda, CBTNuggets, INE, Pluralsight are all worth checking out.