Are these certificates NSAC and CEAC useful?

They are all useless certificates.

NSAC is a certificate issued by the "National Standardized Examination Alliance". The examination items range from graphics and web pages to WeChat, office, electrification, microcontrollers, makeup artists, manicurists, children's English training, project costing, and call agents. Workers... are very messy and have everything, and now they have certificates from more professional industry associations, societies and the Ministry of Labor, which are much easier to use than them. I don’t know why this alliance does this, and I have never heard of any organization using this certificate or recognizing it.

CEAC is a certificate issued by the Information Education Office. Some colleges are organizing this exam. The exam subjects are also extremely complex, ranging from PS and CAD to logistics, call agents, databases, network security... they are all Issuance of certificates for the sake of issuance of certificates. Such certificates are not recognized by companies and are of little use.

Nowadays, there are more professional certifications in various industries, and the recognition of enterprises is relatively high. It is recommended to choose again.