单选题What is a Label-Switched Path?（）A a traffic engineered pathB another name for a Frame Relay PVCC a bidirectional path through a networkD a unidirectional path through a network
题目
单选题
What is a Label-Switched Path?（）
A
a traffic engineered path
B
another name for a Frame Relay PVC
C
a bidirectional path through a network
D
a unidirectional path through a network