The Japanese Language Proficiency Test (JLPT) is a set of tests created by the Japanese government to measure proficiency in the language. The JLPT consists of five levels, with N5 being the lowest level and N1 being the highest. Having an N5 certification shows a basic understanding of the language and can be beneficial when applying for jobs or university programs. It is enough for everyday use in Japan such as ordering food at a restaurant or asking directions from locals, but may not be enough if trying to have complex conversations with native speakers or read advanced materials. It depends on what kind of job you are applying for; having an N5 certification should suffice for jobs that require minimal interaction with native speakers, but higher levels may be necessary depending on employer requirements.