While working in setup mode, a configuration line is typed incorrectly. What should you do to exit setup mode, without executing or saving any of the mistakes you made?（）
A . Type exit at the setup dialog.
B . Type close at the setup dialog.
C . Press the Ctrl-C key combination.
D . Press the Ctrl-X key combination.
E . Issue the copy startup-config command.
F . Issue the 'write e" command.
G . Issue the "write mem" command
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用程序计算一个整数的各位数字之和，在横线处应填写的语句是（ ）。 SET TALK OFFINPUT”X=”TOXS=0DO WHIlE X!=0S=S十MOD(X，10)ENDDO?SSET TAlKON
A . X—int(X／10)
B . X—int(X％10)
C . X—X—int(X／10)
D . X—X—int(X％ 10)
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One day while Mr. King was working, he had a(an)（）and his left leg was badly injured.
A . business
B . accident
C . matter
D . event
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While you are working in a space，the fixed CO2 system is accidentally activated．You should（）.
A . Secure the applicators to preserve the charge in the cylinders
B . Continue with your work as there is nothing you can do to stop the flow of CO
C . Retreat to fresh air and ventilate the compartment before returning
D . Make sure all doors and vents are secured
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While working in the engine room, you hear seven short blasts followed by one long blast on the ships whistle, supplemented by the same signal on the general alarm bellsYou should （）.
A . start the fire pump to charge the fire main
B . standby the main console and await orders from the engineer on watch
C . go to your fire station
D . go to your lifeboat statio
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In a VoIP network， which three call signaling protocols are supported by the Cisco CallManager for call setup， call maintenance， and call teardown？ （）
A . H·323
B . UDP
C . RTP
D . TCP
E . Media Gateway Control Protocol （MGCP）
F . session initiation protocol （SIP）
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You work as a database administrator for Certkiller .com. You received the following error while working on your database： ORA-01555： snapshot too old In which situation would you receive such an error？（）
A . You performed rollback after commit.
B . If a log switch occurs in your database.
C . Thearchiverfails to generate an archived log file.
D . Instance recovery fails to find one of the redo log files.
E . A long-running query is unable to get read-consistent image.
F . If you perform manual undo management operations in auto mode.
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What safety precautions should be observed by the crew while working around machinery in an engine room?（）
A . They should wear safety shoes
B . They should wear ear protection
C . They should not wear jewelry
D . All of the above
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In a VoIP network， which three call signaling protocols are supported by the Cisco CallManager for call setup， call maintenance， and call teardown？（）
A . H323
B . UDP
C . RTP
D . TCP
E . Media Gateway Control Protocol (MGCP)
F . session initiation protocol (SIP)&e
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When using the partially automated setup process, which three tasks must be completed in order to register phones with Cisco Unified CallManager Express?（）
A . Configure the keepalive timer.
B . Associate each phone type with a firmware file.
C . Enable the firmware for each phone type being downloaded.
D . Configure the dial-plan pattern to associate extensions with fully qualified e.164 numbers.
E . Configure the maximum number of ephones that Cisco Unified CallManager Express will support.
F . Configure an ephone for each phone being registered with the Cisco Unified CallManager Express server.
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In MPLS traffic engineering， which one of the following protocols is used for Path Setup？（）
A . BGP
B . OSPF
C . ISIS
D . RSVP
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At least he was there in time to tell his adventures to Jim while did＿of the work.
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3.Wearing noise-canceling headphones can give yourself some quiet while working.
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Jenny is nursend ______in Town Hospitl.works B．worked C．hd worked D．workingJenny is nursend ______in Town Hospitl.works B．worked C．hd worked D．working
A．works
B．worked
C．had worke
D．working
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You shouldn’t ______ to others while working.
A、stop talking
B、stop to talk
C、stop talk
D、stop over talk
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At least he was there in time to tell his adventures to Jim while Jim did______of the work.
A．three fourths
B．three fourth
C．threes fourths
D．threes fourth
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What was the writers dream while working at a golf course？
A．Making a lot of money by playing golf.
B．Becoming a successful golfer.
C．Running a golf course near his house.
D．Both A & B
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Which character gets sick while Forrest is working on the shrimping boat？
A．Jenny
B．Bubba
C．Mrs． Gump
D．Dan
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In the process of completing a work sheet, you determine that the Income Statement debit column totals $83,000, while the Income Statement credit column totals $65,000. To enter net income （） for the period into the work sheet would require an entry to
A．theAdjustmentsdebitcolumnandtheAdjustmentscreditcolumn．
B．theUnadjustedTrialBalancedebitcolumnandtheAdjustmentscreditcolumn．
C．itisnotpracticaltoenterNetIncomeontheworksheet．
D．theBalanceSheet﹠StatementofOwner’sEquitydebitcolumnandtheIncomeStatementcreditcolumn．
E．theIncomeStatementdebitcolumnandtheBalanceSheet﹠StatementofOwner’sEquitycreditcolumn．
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After making changes to the router, you issue the "copy running-config startup-config" command to save changes. After reloading the router, the router comes up in setup mode. You again make changes, save them, and reboot. Again,the router comes up in setup mode.What is the most likely cause of this？（）
A. The NVRAM is corrupted.
B. The boot system commands were omitted in the configuration.
C. The configuration register setting is incorrect.
D. The upgraded configuration incompatible with the hardware platform.
E. The upgraded IOS incompatible with the hardware.
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The decision to allow casual dresses while working will give even_______ flexibility on the part of employees.
A．great
B．greater
C．greatness
D．greatly
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He got little______ wages, but the experience he gained while working there benefited him a great deal in his later career.
A．by means of
B．in the way of
C．in pursuit of
D．in the name of
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What does the author sayabout working memory？ [A]Thenumber of stored items is limited． [B]The informationcontained is lasting． [C]Itstays only while you work． [D]It storesnumbers quickly．
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执行下面程序段后，关于变量x中存放的数值，下面说法正确的是_________。 Dim x% Do x = Int（Rnd（) * 50 + 1) Loop While x Mod 2 ＜＞ 0
A．x中存放的是随机产生的【1,50】之间的一偶数
B．x中存放的是随机产生的【1,50】之间的一奇数
C．x中存放的是随机产生的【1,51】之间的一偶数
D．x中存放的是随机产生的【1,51】之间的一奇数
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In any wireless networking setup, security is a concern. Bluetooth technology is no ______In any wireless networking setup, security is a concern. Bluetooth technology is no ______.
