You are in the middle of a transaction updating a very important table. The machine on which a database wasrunning reboots because of power outage. This caused a database instance failure. Which statement is true inthis situation（）

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• You work as a database administrator for Certkiller .com. In the middle of a transaction， a user session was abnormally terminated but the instance is still up and the database is open. Which two statements are true in this scenario？（）

  A . Event Viewer gives more details on the failure. B . The alert log file gives detailed information about the failure. C . PMON rolls back the transaction and releases the locks. D . SMON rolls back the transaction and releases the locks. E . The transaction is rolled back by the next session that refers to any of the blocks updates by the failed transaction. F . Data modified by the transaction up to the last commit before the abnormal termination is retained in the database.

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• You are in the middle of a transaction and very crucial data has been modified. Because of a hardware failure， the instance has shut down before synchronizing all the database files. Which two statements are true？（）

  A . On startup， SMON coordinates instance recovery. B . On startup， CKPT coordinates instance recovery. C . On startup， use RMAN to perform instance recovery. D . Uncommitted changes will be rolled back after the database is opened. E . On startup， perform media recovery and then instance recovery. F . On startup， all the files will be synchronized and you get both committed and uncommitted data.

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• The wooden plug inserted in the vent of a damaged tank should be removed if you are going to （）.

  A . pump from the damaged tank B . fight a fire C . abandon ship D . use the crossover system

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• In the Northern Hemisphere you are caught in the dangerous semicircle of a storm with plenty of sea room available. The best course of action is to bring the wind on the（）.

  A . port quarter and make as much headway as possible B . starboard quarter and make as much headway as possible C . starboard bow and make as much headway as possible D . port bow and make as much headway as possible

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• You are designing the placement of operations master roles in the new environment.  In which location or locations should a PDC emulator be designated？（）

  A .  Atlanta B .  Chicago C .  Dallas D .  Seattle

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• You are Master of a towing vessel engaged in towing three barges astern.The middle barge of the tow would be required to sound which of the following during restricted visibility （）.

  A . No fog signal B . A prolonged blast at intervals never to exceed more than two minutes C . A prolonged blast followed by two short blasts at intervals never to exceed more than two minutes D . A prolonged blast followed by three short blasts at intervals never to exceed more than one minute

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• You are in charge of a stand-on vessel in a crossing situation.The other vessel is 1.5 miles to port.You believe that risk of collision exists.You should（）.

  A、take avoiding action immediately upon determining that risk of collision exists B、immediately sound the danger signal C、take avoiding action only after providing the give-way vessel time to take action ,and determining that her action is not appropriate D、 hold course and speed until the point of extremis, and then sound the danger signal, taking whatever action will best avert collision

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• You have determined that you are in the right semicircle of a tropical cyclone in the Northern Hemisphere.What action should you take to avoid the storm（）.

  A . Place the wind on the starboard quarter and hold that course B . Place the wind on the port quarter and hold that course C . Place the wind on the port bow and hold that course D . Place the wind on the starboard bow and hold that course

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• If you are caught in the left semicircle of a tropical storm，in the Southern Hemisphere，you should bring the wind（）.

  A . On the starboard quarter，hold course and make as much way as possible B . 2 points on the port quarter，and make as much way as possible C . On the port bow，and make as much way as possible D . Dead ahead and heave to

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• ou are in the middle of a transaction updating a very important table. The machine on which adatabase was running reboots because of power outage. This caused a database instance failure.  Which statement is true in this situation（）

  A . The online redo log files and archived redo log files are required to accomplish the recovery. B . The uncommitted transaction will be committed at the next startup of the database instance. C . The uncommitted transaction is rolled back automatically at the next opening of the database. D . The DBA has to perform the recovery on the database to recover the uncommitted transaction.

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• You see a vessel displaying three lights in a vertical line.The highest and lowest lights are red and the middle light is white.She is also showing a white light at the stern，which is lower than the forward light.It could be a（）.

  A . Survey vessel B . Vessel not under command C . Vessel aground D . Pilot vessel with port side to you

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• You are anchoring in 16 fathoms of water．On a small to medium size vessel，the（）.

  A . Anchor may be dropped from the hawse pipe B . Anchor should be lowered to within 2 fathoms of the bottom before being dropped C . Scope should always be at least ten times the depth of the water D . Scope should always be less than 5 times the depth of the water

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• By day，you sight a vessel displaying three shapes in a vertical line. The top and bottom shapes are balls，and the middle shape is a diamond. It could be a（）.

  A . vessel trolling B . mineclearing vessel C . trawler D . vessel engaged in replenishment at sea

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• You are identifying dictionary objects in the Oracle database. Which of the following is a view in the data dictionary?（） 

  A . V$DATABASE  B . DBA_TABLES  C . SYSAUD$  D . EMP

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• In writings, you can just omit the middle name, and the British people usually use the initial letter of the first name and the middle name.

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• In this lecture，we have discussed that when you are making a guess about the meaning of a new word in the reading process, you can use ________ to help you.

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• When you are in the process of writing a draft of an essay, you should be thinking first about revision, not editing.

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• ◑— Excuse mc, are you waiting for the bus?◑— Yes, I am. But the bus is so late.______, how can I get to No.1 Middle School?◑A. In the way◑B. On the way◑C. Out of the way◑D. By the way

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• [5-34]You are in charge of a stand-on vessel in a crossing situation. The other vessel is l.5 miles to port. You believe that risk of co

  A．take avoiding action immediately upon determining that risk of collision exists B．immediately sound the danger signal C．take avoiding action only after providing the give-way vessel time to take action, and determining that her action is not appropriate D．hold course and speed until the point of e

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• How can you get more information if you are interested in the position of a full-time computer trained secretary？

  A．By telephone. B．By letter. C．By Internet. D．In person.

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• We are not in a position of placing an order with you for the table-cloths at the price you offered.()

  A.of placing B.table-cloths C.at D.offered

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• Are you sleepy in __?When does your school b__?Teenagers need nine h__ of sleep at n__ .But most Chinese students c__ be in bed that long .Their shools usually start b__ 8:00 in the morning .B__ from this school year ,some Canadian middle schools start as l__ as 9:00 a.m.The school s__ students need more sleep .How l__they are

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• There are certain ______when you must interrupt people who are in the middle of doing something.

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