When job openings cannot be filled internally, the HR department must look outside the organization for applications, it is called recruitment?

When job openings cannot be filled internally, the HR department must look outside the organization for applications, it is called recruitment?

(a) Internal
(b) External
(c) Both a & b
(d) All of above

✅ (b) External
Explanation: When internal candidates are not available, organizations use external recruitment to attract new applicants from outside.