QCI表示QoS class identifier。QCI1的优先级高于QCI5的优先级。

A . 钻石等级 B . 白金等级 C . 金等级 D . 银等级 E . 铜等级

A .  gold， silver， bronze， and platinum B .  platinum， gold， silver， and bronze C .  titanium， gold， silver， and bronze D .  voice and video， best effort， background， and scavenger E .  voice， video， best effort， and background F .  voice， video， best effort， and scavenger

A . High priority B . Low priority C . Normal priority D . Middle priority

A .  FIFO queuing， which provides a means to hold packets while they are waiting to exit an interface B .  Priority queuing， which ensures a fixed amount of bandwidth C .  Custom queuing （CQ）， which provides a queuing tool that services all queues， even during times of congestion D .  Bandwidth queuing， which ensures a minimum amount of bandwidth E .  Weighted fair queuing （WFQ）， which classifies packets based on flow

A . minimum bandwidth guarantee B . average bandwidth guarantee C . optimum bandwidth guarantee D . maximum bandwidth rate E . IP precedence F priority

A . 正确 B . 错误

A . determine a minimum bandwidth guarantee B . determine interfaces to which to apply policy C . assign priorities to the class D . configure access control list

A . 公务舱的南航明珠会员免费 B . 头等舱折扣票 C . 经济舱全价票 D . 头等舱南航会员免费升舱票

A . 正确 B . 错误

A . R B . M C . V

A .  Determine a minimum bandwidth guarantee. B .  Determine interfaces to which to apply policy. C .  Assign priorities to the class. D .  Configure access control lists.

A . Voice needs to be assigned to the hardware priority queue. B . Voice needs to be assigned to the software priority queue. C . Call signaling must have guaranteed bandwidth service. D . Strict-priority queuing should be limited to 50 percent of the capacity of the link. E . At least 33 percent of the link bandwidth should be reserved for default best-effort class.

A .  Voice needs to be assigned to the hardware priority queue B .  Voice needs to be assigned to the software priority queue C .  Call signaling must have guaranteed bandwidth service D .  Strict-priority queuing should be limited to 50 percent of the capacity of the link E .  At least 33 percent or the link bandwidth should be reserved tor default best effort cla

A . Voice needs to be assigned to the hardware priority queue. B . Voice needs to be assigned to the software priority queue. C . Call signaling must have guaranteed bandwidth service. D . Strict-priority queuing should be limited to 50 percent of the capacity of the link.

A . Voice Traffic uses Assured Forwarding B . Voice Signaling traffic uses Assured Forwarding C . Voice Signaling traffic uses priority queuing D . Voice Traffic uses priority queuing E . Voice signaling traffic should use priority queuing with Assured Forwarding

A . CBWFQ B . CB-WRED C . LLQ D . Custom Queueing E . WRR Queueing

A . 标识用户 B . 设置密码 C . 区分不同的网络 D . 提供TCP服务

A . The particular event instance. B . The source of the event. C . The set of events that were triggered by the same action. D . The type of event. E . The type of component from which the event originated.

是 否

A．public B．private C．internal D．protected

是 否

A．A.16 B．B.8 C．C.32 D．D.64