This is the 14382nd most frequent Korean word.
무료응시
Free admission or free test-taking.
The term "무료응시" is used here to describe the option to take an exam without any fee.
이 시험에서는 무료응시가 가능합니다.
You can take this exam for free.
"무료응시" in this sentence emphasizes the privilege or opportunity given to participate in an exam without needing to pay.
무료응시 기회가 주어져서 정말 감사해요.
I'm very grateful for the opportunity to take the exam for free.
Here, "무료응시" is described as a method that facilitated obtaining qualifications by eliminating the cost associated with exam participation.