单选题What is the purpose of classification, rewrites, and queuing in Juniper routers?（）A to provide policy based routingB to provide class of service capabilitiesC to provide firewall filtering capabilitiesD to provide unified threat managment
题目
单选题
What is the purpose of classification, rewrites, and queuing in Juniper routers?（）
A
to provide policy based routing
B
to provide class of service capabilities
C
to provide firewall filtering capabilities
D
to provide unified threat managment