Because Huawei HCIE exams are divided into written and lab exams, Sibo starts with the written exam first. If you say you didn't pass the written exam, then you need to take the supplementary exam. The operation of the supplementary exam is actually the same as the first exam. First of all, use the Huawei account to book the test, and then pay the test fee, the cost of this make-up test and the first time is the same, after the payment is completed, wait for the mail to confirm the time and place of the test, according to the above time and place to go to the site to participate in the examination can be, the examination process is also exactly the same as the first examination. However, it should be noted that, if you make up for the test did not pass the test, is required to 7 natural days before you can book again; such as over is required to make up for the test has been passed, then you need to book again after 30 natural days. The above is the operation of the written test did not pass, the following is the operation of the experimental test did not pass.