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DragtheDSLtechnologiesonthelefttotheirmaximum(down／up)dataratevaluesonthebelow.
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考题
Statistical cost estimating techniques (based upon history), are called _____ estimates and are a _____ approach.A . Definitive, bottom up.B . Analogy, top down.C . Parametric, bottom up.D . Parametric, top down.E . Analogy, bottom up.
考题
如果链路的一端被管理DOWN,你将看到的另一端接口状态输出信息是()
A.interface is down，line protocol is downB.interface is down，line protocol is upC.interface is up，line protocol is downD.interface is up，line protocol is up
考题
50 Statistical cost estimating techniques (based upon history), are called _____ estimates and are a _____ approach.A. Definitive, bottom up.B. Analogy, top down.C. Parametric, bottom up.D. Parametric, top down.E. Analogy, bottom up.
考题
Approaches towards reading and listening are __________.
A.the bottom-up model and the top-down modelB.the bottom-up model and the interactive modelC.the bottom-up modelD.the top-down model and the interactive model
考题
That morning there were policemen( ).
A. here and thereB. there and hereC. up and downD. down and up
考题
设置作为主接口的逻辑通道呼叫8次仍未成功为切换到备份接口，每隔60秒检查一次主逻辑通道是否恢复Up，这样的配置应为()。A.backupstate-down8state-up60B.backupstate-down60;backupstate-up8C.backupstate-down8;backupstate-up60D.backupstate-down8;backupstate-uptime60
考题
After issuing the show interfaces terse command, you notice that the status of one interface is "up down". What does this indicate?"()
A.Layer 1 on the interface is up but Layer 2 is down.B.Layer 2 on the interface is up but Layer 3 has not been configured.C.The interface is administratively up but the link status is down.D.The interface is up but has been administratively turned off.
考题
下面哪种说法正确? ()A、当主接口由up 转为down 后,立即切换到备份接口。B、当主接口由down 转为up 后,立即切换回主接口。C、当主接口由up 转为down 后,等待一定时间后,若主接口状态仍为down,才切换到备份接口。D、当主接口由down 转为up 后,等待一定时间后,若主接口状态仍为up,才切换回主接口。
考题
键盘事件的执行顺序是（）。AKey Press、Key Down、Key UpBKey Down、Key Press、Key UpCKey Up、Key Down、Key PressDKey Up、Key Press、Key Down
考题
下面当主接口由up转为down后哪种说法正确？（）A、当主接口由up转为down后，立即切换到备份接口。B、当主接口由down转为up后，立即切换回主接口。C、当主接口由up转为down后，等待一定时间后，若主接口状态仍为down，才切换到备份接口。D、当主接口由down转为up后，等待一定时间后，若主接口状态仍为up，才切换回主接口。
考题
While logged into a router you manually shut down the serial 0 interface using the "shutdown" interface configuration command. You then issue the "show interface serial 0" command in exec mode. What could you expect the status of the serial 0 interface to be?（）A、Serial 0 is up, line protocol is upB、Serial 0 is up, line protocol is downC、Serial 0 is down, line protocol is downD、Serial 0 is down, line protocol is upE、Serial 0 is administratively down, line protocol is downF、Serial 0 is administratively down, line protocol is up
考题
下列（）状态是不可能在路由器的串行端口状态见到的。A、 Interface is up， line protocol is upB、 Interface is down， line protocol is downC、 Interface is down， line protocol is upD、 Interface is up， line protocol is down
考题
设置作为主接口的逻辑通道呼叫8次仍未成功为切换到备份接口，每隔60秒检查一次主逻辑通道是否恢复Up，这样的配置应为（）A、backup state-down 8 state-up 60B、backup state-down 60；backup state-up 8C、backup state-down 8；backup state-up 60D、backup state-down 8；backup state-up time 60
考题
当用户端cisco路由器上用showinterface命令时line和lineprotocal可能出现的几种组合？（）。A、line down；line protocol downB、line down；line protocolC、line up；line protocol downD、line up；line protocol up
考题
设置作为主接口的逻辑通道呼叫8次仍未成功为切换到备份接口，每隔60秒检查一次主逻辑通道是否恢复Up，这样的配置应为（）A、backup state-down8 state-up60B、backup state-down60；backup state-up8C、backup state-down8；backup state-up60D、backup state-down8；backup state-uptime60
考题
如果链路的一端被管理DOWN，你将看到的另一端接口状态输出信息是（）A、interface is down，line protocol is downB、interface is down，line protocol is upC、interface is up，line protocol is downD、interface is up，line protocol is up
考题
Proper lifting technique for heavy items is:（）A、to use gloves to pick up the item.B、to squat and lift from the legs.C、to have two people bend down and pick the item up.D、to bend down and lift the item up.
考题
单选题Proper lifting technique for heavy items is:（）A
to use gloves to pick up the item.B
to squat and lift from the legs.C
to have two people bend down and pick the item up.D
to bend down and lift the item up.
考题
单选题The four-stroke cycle begins with the piston （）.A
coming up from the BDCB
coming up from the TDCC
coming down from the BDCD
coming down from the TDC
考题
单选题After issuing the show interfaces terse command, you notice that the status of one interface is "up down". What does this indicate?"（）A
Layer 1 on the interface is up but Layer 2 is down.B
Layer 2 on the interface is up but Layer 3 has not been configured.C
The interface is administratively up but the link status is down.D
The interface is up but has been administratively turned off.
考题
单选题Very few scientists _______ completely new answers to the world’s problems.A
come up to B
come down toC
come down withD
come up with
考题
单选题While logged into a router you manually shut down the serial 0 interface using the "shutdown" interface configuration command. You then issue the "show interface serial 0" command in exec mode. What could you expect the status of the serial 0 interface to be?（）A
Serial 0 is up, line protocol is upB
Serial 0 is up, line protocol is downC
Serial 0 is down, line protocol is downD
Serial 0 is down, line protocol is upE
Serial 0 is administratively down, line protocol is downF
Serial 0 is administratively down, line protocol is up
考题
单选题键盘事件的执行顺序是（）。A
Key Press、Key Down、Key UpB
Key Down、Key Press、Key UpC
Key Up、Key Down、Key PressD
Key Up、Key Press、Key Down
考题
多选题下面当主接口由up转为down后哪种说法正确？（）A当主接口由up转为down后，立即切换到备份接口。B当主接口由down转为up后，立即切换回主接口。C当主接口由up转为down后，等待一定时间后，若主接口状态仍为down，才切换到备份接口。D当主接口由down转为up后，等待一定时间后，若主接口状态仍为up，才切换回主接口。
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