def is_job(job):
    """Check if a given job representation corresponds to a job and not
    a folder or a view.

    :param job: Jenkins Job representation as a dictionary
    :type job: dict
    :returns: Whether the job representation actually corresponds to a job
    :rtype: bool
    """
    job_class = job["_class"].lower()
    return not ("view" in job_class or "folder" in job_class or "multibranch"
                in job_class)