The interviewer is trying to quickly gauge if you are qualified for this role, or not. If they have called you, chances are - you have something on your resume that they really like. Most job postings will specify the amount of years experience that the employer is looking for so be prepared with that information.
Let's say the interviewer is looking for 5 years experience in a specific field or skill, and you have only 3 years: "I have approximately 3 years' experience in your direct field; however, I have exposure to many similar job duties from my 5 years in position XYZ. I am well equipped to exceed expectations in this role."
Let's say the interviewer is looking for 5 years experience in a specific field or skill, and you have 15 years. Avoid being labelled as overqualified by saying: "I have more than 5 years' experience in your direct field. My most recent position was similar to this role, and I was a top performer for the entire 7 years of my employment there. This role is exactly what I have been seeking and I am eager to succeed with your company."
"I have approximately 3 years' experience in your direct field; however, I have exposure to many similar job duties from my 5 years in position XYZ. I am well equipped to exceed expectations in this role."
"I have over 10 years of experience in my field, with 7 years in your specific industry."
Sales answer example
"I have 3 years of sales experience in a traditional setting, and have been selling in some capacity since high school in retail and as a server."
Retail answer example
"I have been in the field since I was in high school, so for half of my life. I have worked my way up through the ranks from a part-time sales associate in various departments, to assistant manager, to department manager in a smaller department, and my most recent position is in an assisting manager position in the highest volume department in the store. I know that I have learned what I need to really succeed in this role and I look forward to exceeding your expectations."
Marketing answer example
"I have 3 years in marketing experience, from freelance to inbound marketing coordinator, to now the content manager. Prior to that, I worked in sales for a CPG company as well, so I understand the business from a number of perspectives and look forward to continuing to learn about how Telephone does business in particular, as well as from the more senior members of the staff. I know I have a lot to offer as well as a lot to learn!"