单项选择题
A. a telnet to port 80
B. a TCP packet with the SYN and ACK flags set
C. an SNMP getnext request
D. an ICMP packet larger than 1024 bytes
单项选择题 Which statement is correct about HTTP trickling?（）
单项选择题 After applying the policy-rematch statement under the security policies stanza, what would happen to an existing flow if the policy source address or the destination address is changed and committed?（）
多项选择题 Which two functions of the Junos OS are handled by the data plane? （）(Choose two.)