Please choose the correct ending to complete the given sentence: Work World: [header] How to prepare for customer service jobs [title] Obtain certification in customer service. [substeps] Many technical and community colleges offer certification programs for customer service. The training involved to achieve certification usually involves a few brief classroom seminars on assessing customer needs and providing assistance, followed by a written exam.

Ending1: Certification is not required to prepare for a customer service job, but since the field is becoming increasingly competitive it is a way to set yourself apart from other applicants. Certification will also help you gain understanding of how to succeed in customer service. Ending2: You might also seek training in customer communication by attending lectures on customer feedback. Attending seminars on customer service typically involve teaching from trained employees. Ending3: It can take between four and 15 years to complete certification. You'll need to get at least a bachelor's degree in another field such as engineering or nursing, or even a two-year degree in business administration (mtms) or communications. Ending4: As a certified contractor, you need to be proficient in customer service. This means demonstrating expertise in the following fields : [substeps] Customer service customer assistance customer management [title] Locate job openings.

Answer format: ending1/ending2/ending3/ending4