Possible answers:
[1]. Gis work requires strong mathematical skills and experience in statistical analysis. Applicants must have strong verbal and communication skills in addition to being proficient writers.
[2]. Gis jobs were first started so you will not need strong military training or a high school diploma. Therefore, you will need to gain significant understanding of the technical skills necessary to successfully become a gis job candidate.
[3]. Gis employers will want to hire people that are a great asset in particular fields. You will need excellent technical knowledge in that field.
[4]. Gis can have several different roles-technical assistant, computer technician, engineering technician, specialist and more. In general, gis are trained and automatically qualified.Choose from options above and answer: What most naturally follows?

How to get gis jobs 
Assess your own present skills, abilities and education to determine if you have the experience to successfully enter the field and get a gis position. 
Unless you are looking for a basic, entry level position, most gis jobs require a formal level of education and prior experience. 
Ascertain your level of technical knowledge.
Answer:
[1].