1, computer technology and software professional qualification examination certificate.

2. Microsoft certification.

3. cisco certified Certificate.

There are many certifications in cisco certified, such as CCNA, CCDA, CCNP, CCDP, CCSP, CCIP, CCVP, CCIE and so on, with different levels, different contents and different directions. You can get junior, middle and senior network engineer certificates.

Note to network security engineers:

You can do technology, and you must not be addicted to technology. Never concentrate on technology. Put a lot of pressure on yourself. If you put your mind on it, you are destined to be like Kong Yiji! Enough is enough because of technology? Technology is only one of the pillars of your future, and it is not the biggest pillar, unless you just want to be an engineer until you are old.