A.from a zone to the device itselfB.from a zone to the ……

单项选择题WhatisthepurposeofazoneinJUNOSSoftware？（）

A.A zone defines a group of security devices with a common management.
B.A zone defines the geographic region in which the security device is deployed.
C.A zone defines a group of network segments with similar security requirements.
D.A zone defines a group of network segments with similar class-of-service requirements.

单项选择题WhatisthedefaultsessiontimeoutforUDPsessions？（）

A.30 seconds
B.1 minute
C.5 minutes
D.30 minutes

单项选择题Bydefault，whichconditionwouldcauseasessiontoberemovedfromthesessiontable？（）

A.Route entry for the session changed.
B.Security policy for the session changed.
C.The ARP table entry for the source IP address timed out.
D.No traffic matched the session during the timeout period.

多项选择题InJUNOSSoftware，whichthreepacketelementscanbeinspectedtodetermineifasessionalreadyexists？（）

A.IP protocol
B.IP time-to-live
C.source and destination IP address
D.source and destination MAC address
E.source and destination TCP/UDP port

多项选择题WhichtwostatementsaboutJUNOSSoftwarepackethandlingarecorrect？（）

A.JUNOS Software applies service ALGs only for the first packet of a flow.
B.JUNOS Software uses fast-path processing only for the first packet of a flow.
C.JUNOS Software performs route and policy lookup only for the first packet of a flow.
D.JUNOS Software applies SCREEN options for both first and consecutive packets of a flow.