单项选择题
A. request security utm anti-virus juniper-express-engine pattern-delete
B. request security utm anti-virus juniper-express-engine pattern-reload
C. request security utm anti-virus juniper-express-engine pattern-remove
D. delete security utm anti-virus juniper-express-engine antivirus-pattern
单项选择题 A network administrator wants to permit Telnet traffic initiated from the address book entry the10net in a zone called UNTRUST to the address book entry Server in a zone called TRUST. However, the administrator does not want the server to be able to initiate any type of traffic from the TRUST zone to the UNTRUST zone. Which configuration statement would correctly accomplish this task?（）
多项选择题 Which three statements are true when working with high-availability clusters? (Choose three.)（）
单项选择题 What is the purpose of a chassis cluster?（）