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| 作者：不明 来源：www.pccode.net 整理 发布时间：2007-1-24 15:24:21 发布人：wongrs | |
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ur in routing algorithms that are slow to converge, in which routers continuously increment the hop count to particular networks. Which technique used to solve count to infinity, assigns an infinite cost to an inaccessible route? a) Hop count b) Holddowns c) Split horizon d) Poison reverse 16) What is the command to show you both source and destination dlci's in one command. a) show frame-relay route b) show frame-relay dlci c) show frame-relay int dlci d) show frame-relay 17) What is the default holdtime for CDP information? a) 30 seconds b) 60 seconds c) 90 seconds d) 180 seconds 18) Type the command to instruct the router to load the IOS from Read Only Memory? a) Load system rom b) boot system rom c) run rom d) boot system default 19) Which of the following statements are true? a) Store and forward switching creates variable latency through the switch b) Cut through switching creates variables latency through the switch c) Store and forward switching works at wire speed d) Cut through switching works at wire speed 20) What two occurrences will reset the holddown timer after a triggered update? a) HD Timer expires b) Infinity is finally defined as some max number c) Another update is received indicating net status changed d) Another update is received indicating a better metric e) The router receives a processing task proportional to the number of links in the internetwork f) The router detects fault LSP’s propagating through the internetwork 21) What command displays IPX routing update packets received or transmitted between a router a) Sh ipx route b) Sh table ipx c) Disp ipx routing activity d) Debug ipx routing activity 22) Which is true regarding half duplex Ethernet operation? a) Half Duplex ethernet technology provides a transmit circuit connection wired directly to the receiver circuit at the other end b) Half Duplex transmission between stations is achieved using Point to Point Ethernet & Fast Ethernet c) With Half Duplex transmission logically circuits feed into a single cable creating
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