Speaking of international certification must provide Hadoop Hadoop commercialization of three carriage: Hortonwork, Cloudera and MapR. Hortonwork, Cloudera after the merger because of the different versions of the current certification exam or separation, if you currently need to authenticate a large data front, it can really look at Cloudera.
A total of four Cloudera authentication, the CCA three, respectively CCA131, CCA159, CCA175; a CCP DE. This four certification is no hierarchical relationship, but for different groups of people, candidates can choose the corresponding certification according to their actual situation.
CCA131 major operation and maintenance engineers to test more, it's mainly about training CDH clusters to build, deploy, tune troubleshooting and the like, in order to examine this aspect exams based. To learn from scratch, then you can have Linux experience.
CCA159 known as data analysts, data analysis, but they usually see with a little bit different, it is mainly about training pig, hive, impala these three components, mainly on the examination of aspects hive and impala. Recommended training of people with knowledge of SQL, familiar with basic Linux command line.
CCA175 generally test development engineer, training mainly about Spark, exam study Python, Scala, sqoop, Spark these, which will involve writing some code. Recommended training of people will at least one programming language, Python or Scala, these two programming languages have not been exposed, then at least have to be Java.
CCP DE, this certification is recommended candidates hold at least three CCA certification among one can apply. Examination difficulty with relatively large, CCA three exams time is 120 minutes, CCP DE exam time was 4 hours, it will examine all aspects, it is more suitable for architects to take a certification.
Cloudera current exam to accept all applicants who, if they feel directly apply difficult, then you can go to purchase the official training. Training is not a necessary condition for being registered for, the future will not change hard to say. Information about the training and exam can go and see the service's website bemore.cn, if you have any questions you can ask the website message, do not ask money for it.