Huawei certification consists of three technical domain: ICT infrastructure certification, platform and service certification, and ICT vertical certification.
Examinees can update the validity date of the certificate in any of the following cases before the certificate expires:
● Participate and pass any exam of the current certification.
● Participate and pass any exam of the higher level certification which from the same technical direction of the current certification.
● Participate and pass any exam of the same or higher level certification which from the same technical domain of the current certification.
you may pass any of H12-221 / 222/ 223 or even HCIP-R&S Fast track.