HowdoestheERXEdgeRouterinteractwithsubscriberIPaddressesassignedbyanexternalDHCPserver?（）
A. Itmonitorsmessagesfromtheexternalserverandupdatestheroutingtableasneeded.
B. ItmaintainstheleasesfortheDHCPserverandreassignsaddressestonewsubscribers.
C. Itsendskeepalivestothesubscriberandmakestheaddressavailablewhenthesubscriberstopsresponding.
D. Itsendskeepalivestothesubscriberandremovesthehostroutewhenthesubscriberstopsresponding.
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行政法是指调整（），规范和控制行政权的法律规范系统。
A. 行政关系
B. 社会关系
C. 法律关系
D. 一般关系
YourroutingtablecontainsfourstaticrouteswhichyouneedtoredistributetoyourOSPFpeers.Whichmethodwouldaccomplishthis?（）
ApplyanimportpolicytoOSPF;thiswillimportthestaticroutesintoOSPF
B. Applyanexportpolicytoprotocol"static";thiswillexporttheroutestootherprotocols.
C. Applyanimportpolicytotheforwardingtable;thiswillimporttheroutes,allowingthemtobeforwardedtoOSPFneighbors.
D. ApplyanexportpolicytoOSPF;thiswillexportthestaticroutestoyourOSPFneighbors.
Atechnicianistryingtoretrieveascrewthatfellinsideacaseandisjustoutofreach.WhichofthefollowingistheBESTproceduretoretrievethescrew?（）
A. Turnthecaseupsidedown,shakegentlyandletthescrewfallout.
B. Useashopvacuumtoretrievethescrew.
C. Usethehardwareabstractionlayer(HAL).
D. Useanextensionmagnet.
机关内设机构哪一级以下领导职务出现空缺时，可以在本机关或者该系统内通过竞争上岗的方式，产生任职人选？（）
A. 县处级正职
B. 厅局级正职
C. 乡科级正职
D. 厅局级副职
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