WhichstatementdescribesthePFE?()
A. ThePFEcontrolstheREbyprovidingLayer2andLayer3forwardingtables
B. ThePFEimplementsadvancedservicessuchaspolicing,statelessfirewallfiltering,andclassofservice
C. ThePFEsendstraffictotheREforsystematicpacketforwarding
D. ThePFEreceiveshardwareandenvironmentalstatusmessagesfromtheRE
行政诉讼的举证责任原则是()。
A. 谁主张谁举证
B. 被告举证
C. 原告举证
D. 控方举证
刑事诉讼的举证责任原则是()。
A. 谁主张谁举证
B. 原告举证
C. 控方举证
D. 被告举证
WhichtwostatementsaretrueregardinganEthernetcollisiondomain?()
A. Thelikelihoodofcollisionsoccurringincreaseswhenaswitchisused.
B. Thelikelihoodofcollisionsoccurringincreaseswhenahubisused.
C. Ifahubisused,thecollisiondomainislimitedtoeachdeviceandthehub.
D. Ifaswitchisused,thecollisiondomainislimitedtoeachdeviceandtheswitch.