Whichtwofield-replaceableunitsFRUs arehot-swappable?()
A. RoutingEngineonM10i
B. PhysicalInterfaceCardonM7i
C. fantrayonJ-seriesrouters
D. PhysicalInterfaceModulesonJ6300router
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PHP如果要实现网站常见的翻页功能,mysql中的哪个子句是必不可少的?()
A. order
B. having
C. limit
D. using
下列哪些关键字表示右外连接?()
A. leftjoin
B. rightjoin
C. innerjoin
D. using
Underwhichconfigurationhierarchyisanaccessprofileconfiguredforfirewalluserauthentication?()
A. [editaccess]
B. [editsecurityaccess]
C. [editfirewallaccess]
D. [editfirewall-authentication]
WhataretwomethodsofaccessingaJuniperenterpriserouter?()
A. RSH
B. HTTPS
C. console
D. J-Config