多项选择题
A. facilitates customer deployments that are less reliable
B. facilitates customer deployments that are more predictable
C. separates products and technologies into individual portfolios
D. incorporates products and technologies into a broad portfol
E. strives to protect access to design documentation
单项选择题 Why is it appropriate to use conditional label advertising when deploying MPLS?（）
单项选择题 Refer to the exhibit. This shows the NetFlow statistics for a router. You are analyzing the traffic pattern and you are interested in the percentage of packets between 32 and 64 bytes in size and the number of flows in progress. Which of these identifies both numbers correctly?（）
多项选择题 Which of the following statements about authentication responses and conditions is true?（）(Choose two.)