题目内容

Toprovidequalityofservice(QoS)forvoicetrafficinanIEEE802.1qnetwork,whichclassofservice(CoS)valueshouldbeusedinthe3-bit,userprioritybits(PRI)field?()

A. ThePRIfieldshouldcontaintheCosvalueof010
B. ThePRIfieldshouldcontaintheCosvalueof011
C. ThePRIfieldshouldcontaintheCosvalueof100
D. ThePRIfieldshouldcontaintheCosvalueof101
E. ThePRIfieldshouldcontaintheCosvalueof110
F. ThePRIfieldshouldcontaintheCoSvalueof111

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能以水为电子供体,进行光合作用的有()

A. 光合细菌
B. 蓝藻(蓝细菌)
C. 被子植物
D. 蕨类

Identifythelinkefficiencymechanism?()

A. LFI
B. LLQ
C. RSVP
D. WFO
E. WRED

核膜解体发生于()

A. 细线期(leptotene)
B. 合线期(zygotene)
C. 粗线期(pachytene)
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E. 终变期(diakinesis)

WhichtwoWLANimplementationstatementsaretrue?()

AnautonomouswirelesssolutionincludeslightweightAPsandWLANcontrollers.TheAPsandtheWLANcontrollersaremanagedbyaWLANsolutionengine(WLSE/WLSM).
B. AnautonomouswirelesssolutionincludeslightweightAPsandWLANcontrollers.TheAPsandtheWLANcontrollersaremanagedbytheCiscoWirelessControlSystem(WCS).
C. AlightweightwirelesssolutionincludeslightweightAPsandWLANcontrollers.TheAPsandtheWLANcontrollersaremanagedbyaWLANsolutionengine(WLSE/WLSM).
D. Alightweightwirelesssolutionconsistsofautonomousaccesspoints(APs),whicharemanagedbyaWLANsolutionengine(WLSE/WLSM).
E. AlightweightwirelesssolutionincludeslightweightAPsandWLANcontrollers.TheAPsandtheWLANcontrollersaremanagedbytheCiscoWirelessControlSystem(WCS).

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