Câu 111: JN0-360: Juniper Networks Certified Internet Specialist SP (JNCIS-SP)

In Q-in-Q tunneling, what is the purpose of the pop-swap operation?

1. A. pop the outer tag and swap the inner tag — đáp án hiện tại
2. B. pop and swap the inner tag
3. C. pop and swap both outer and inner tags
4. D. pop the inner tag and swap the outer tag