WhataretwowaystocreatearescueconfigurationonaJ-seriesrouter?（）
A. UsetheJ-WebSystem>Rescuemenu.
B. UsetheJ-WebConfiguration>Rescuemenu.
C. Issuetheconfigurerescuesavecommand.
D. Issuetherequestsystemconfigurationrescuesavecommand.
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The J-Web applicationcan install the JUNOS software from which two locations？（）
A. SDX
B. local PC
C. BSD shell
D. remote host
Which two statements regarding firewall user authentication client groups are true？（）
A. Individual clients are configured under client groups in the configuration hierarchy.
B. Client groups are configured under individual clients in the configuration hierarchy.
Client groups are referenced in security policy in the same manner in which individual clients arereferenced.
D. Client groups are used to simplify configuration by enabling firewall user authentication without securitypolicy.
WhichCLIcommandallowsyoutodeterminehowmanylicensesarecurrentlyusedontherouterandarefurtherneededbytherouter?（）
A. showsystemlicensekey
B. showsystemlicenseusage
C. showsystemlicensetotal
D. showsystemlicenseprofile
实用新型和外观设计有效期为（）年？
A. 20
B. 5
C. 15
D. 10
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