单选题Which of the following ATM components are needed to configure an ATM SVC （switched virtual circuit） classical IP interface？（）A LESB BUSC LECSD ARP server
题目
单选题
Which of the following ATM components are needed to configure an ATM SVC （switched virtual circuit） classical IP interface？（）
A
LES
B
BUS
C
LECS
D
ARP server