第1题:
AMD PDU、AMD PDU段和STATUS PDU的SN字段长度为:
A.1bit
B.5bit
C.10bit
D.15bit
第2题:
UMD PDU/AMD PDU均由『____』和『____』两个字段组成。(MD PDU/AMD PDUare composed of two fields:『____』and 『____』. )
第3题:
A.错误
B.正确
第4题:
A.BSSGP
B.LLC
C.MAC
D.TCP
第5题:
AcompanythatmakesComputerAssistedDesign(CAD)softwarehas,withinitsapplication,someutilityclassesthatareusedtoperform3Drenderingtasks.Thecompany’schiefscientisthasjustimprovedtheperformanceofoneoftheutilityclasses’keyrenderingalgorithms,andhasassignedaprogrammertoreplacetheoldalgorithmwiththenewalgorithm.Whentheprogrammerbeginsresearchingtheutilityclasses,sheishappytodiscoverthatthealgorithmtobereplacedexistsinonlyoneclass.The programmerreviewsthatclass’sAPI,andreplacestheoldalgorithmwiththenewalgorithm,beingcarefulthatherchangesadherestrictlytotheclass’sAPI.Oncetestinghasbegun,theprogrammerdiscoversthatotherclassesthatusetheclassshechangedarenolongerworkingproperly.
Whatdesignflawismostlikelythecauseofthesenewbugs?()
第6题:
在发送端,UE计算『____』,在接收端,通过输入的参数计算X-MAC,鉴定PDU的完整性。(On the transmit side, by calculating the 『____』, the receiving end, by calculating the X-MACparameters,UE will identify the integrity of the PDU.)
第7题:
LLC定义的Ⅱ型操作( )
A.无流控和差错恢复
B.在LLC之间交换PDU之前必须建立数据链路连接
C.在LLC之间交换PDU之前不需建立数据链路连接
D.在接收到PDU后不予确认
第8题:
UMD PDU/AMD PDU均由______和______两个字段组成。
第9题:
A.错误
B.正确
第10题:
A.BSSGP
B.LLC
C.MAC
D.RLC