有一水平放置未开启的啤酒瓶,瓶子中央有一群小气泡,当啤酒瓶突然向右水平移动时,瓶中的这群小气
A.左
B.右
C.不动
D.无法判断
A.左
B.右
C.不动
D.无法判断
第1题
A. The ABR must have multiple interfaces connected to the backbone areA
B. An ABR is a router with two interfaces, each connected to a different nonbackbone areA
C. The only requirement to be considered an ABR is at least one interface connected to the backbone areA
D. An ABR must have at least one interface in the backbone area plus at least one other interface in a nonbackbone areA
第2题
A. 172.16.0.1/23
B. 172.16.1.1/26
C. 172.16.1.1/24
D. 172.16.0.255/23
E. None of the other answers is correct.
第3题
A.enablesLACPunconditionally
B.enablesPAgPonlyifaPAgPdeviceisdetected
C.enablesPAgPunconditionally
D.enablesEtherchannelonly
E.enablesLACPonlyifaLACPdeviceisdetected
第4题
A. Create the default route on R1 using the ip route 0.0.0.0 0.0.0.0 outgoinginterface command.
B. Redistribute the statically configured defa ult route.
C. Disable auto - summary.
D. Configure the network 0.0.0.0 command.
E. Ensure R1 has no manually configured summary routes using the ip summary- address eigrp command.
第5题
A. R1 has been configured with an ip default- network 2.0.0.0 command.
B. R1 has been configured with an ip route 0.0.0.0 0.0.0.0 1.1.1.1 command.
C. R1 has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.
D. Another router has been configured with an ip default - network 2.0.0.0 command.
E. Another router has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.
第6题
A.TheswitchportattachedtoLinkBwillnottransistiontoup.
B.OneofthetwoswitchportsattachedtothehubwillgointoblockingmodewhenaBPDUisreceived.
C.Bothswitchportsattachedtothehubwilltransitiontotheblockingstate.
D.AheavytrafficloadcouldcauseBPDUtransmissionstobeblockedandleaveaswitchingloop.
E.TheswitchportattachedtoLinkAwillimmediatelytransitiontotheblockingstate.
第7题
A. auto - summary on R2 and no auto - summary on R3
B. auto - summary on R2 and auto - summary on R3
C. no auto -summary on R2 and no auto- summary on R3
D. no auto - summary on R2 and auto - summary on R3
第8题
A. R1 loses and then reestablishes neighborships with all neighbors.
B. R1 no longer advert ises 10.1.1.0/24 to neighbors connected to Fa0/0.
C. 1 advertises a 10.1.0.0/16 route out Fa0/0, with metric of around 3 million (largest metric of component subnets).
D. R1 advertises a 10.1.0.0/16 route out Fa0/0,with metric of around 2 million (med ian metric of component subnets).
第9题
A.Allportswilltemporarilytransitiontothelearningstateforaperiodequaltothemaxagetimerplustheforwarddelayinterval.
B.Allportswilltransitiontemporarilytothelearningstateforaperiodequaltotheforwarddelayinterval.
C.ThedefaultagingtimeforMACaddressentrieswillbereducedforaperiodofthemaxagetimerplustheforwarddelayinterval.
D.ThedefaulthellotimeforconfigurationBDPUswillbereducedfortheperiodofthemaxagetimer.
第10题
A.TheportimmediatelytransitionstotheForwardingstate.
B.TheswitchgeneratesaTopologyChangeNotification(TCN)BPDU.
C.Theportimmediatelytransitionstotheerr-disablestate.
D.TheportbecomesanormalSTPswitchport.
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