You issued the following command to analyze the SCOTT.EMP table for block corruption： ANALYZE TABLE SCOTT.EMP VALIDATE STRUCTURE； You received the following error： ORA-01578： ORACLE data block corrupted （file # %s， block # %s） How will you resolve the block corruption problem？（）
第1题：
As a duty engineer, as soon as your hear the fire emergency signal, you should ensure that the
A.ring buoys are thrown overboard
B.engines are stopped
C.fire pumps are started
D.life preservers have been issued to everyone
第2题：
If，after examination by the Quarantine Officer，your vessel is found to have a specific deficiency，you may be issued ______.
A.Bill of health
B.Free Pratique
C.Notice to Comply
D.Controlled Free Pratique
第3题：
You are requested to send us ______ to authenticate the cable L/C issued by your bank in the future.
A．your specimen signatures book
B．your telegraphic test key
C．your tariffs
D．your terms and conditions
第4题：
请根据下列材料写一篇150词左右的英语短文。 At present, a wide variety of credit cards issued by major banks and shopping malls are thriving in colleges and universities across the nation, with a multitude of college students making up a growing population of card holders. If you are a college student, will you also use the credit card?
第5题：
You are signing on a deck officer，who will be designated as one of the GMDSS operators，before sailing foreign．Which statement is TRUE ________．
A.He/she must have an STCW certificate endorsed as“Valid for Service on Vessels Operating in the GMDSS System”
B.He/she must present either an FCC-issued license or a Coast Guard-issued license
C.You must consult the“List of Qualifications”on the reverse of his/her FCC-issued license
D.His/her Merchant Mariners Document must have an added endorsement as “Radio Electronics Officer”
第6题：
You have just issued the command commit confirmed and your network continues to be operational with no further changes required. You issue a commit and-quit. A short time later, users start complaining about network problems. Which commands (in order) need to be entered to resolve this issue?（）
A.A
B.B
C.C
D.D
第7题：
Your load line certificate expires on 27 May 2006．The vessel is surveyed on that date and is found satisfactory．You are sailing foreign the same day．Which statement is TRUE ________．
A.A new certificate must be issued before you sail
B.The existing certificate is endorsed as valid for a five year period commencing 27 May 2006
C.The existing certificate is extended for a period of up to 150 days
D.The existing certificate is extended until the first foreign port of call where a new certificate will be issued by the local surveyor
第8题：
You opened the encryption wallet and then issued the following command:Then you closed the wallet. Later, you issued the following command to create the EMPLOYEES table in the SECURESPACE tablespace and you use the NO SALT option for the EMPID column.What is the outcome?（）
A. It creates the table and encrypts the data in it.
B. It generates an error because the wallet is closed.
C. It creates the table but does not encrypt the data in it.
D. It generates an error because the NO SALT option cannot be used with the ENCRYPT option.
第9题：
第10题：
You performed the RMAN database backup having a backupset key number 231 with the KEEP FOREVER option. After some days, you want to change the status of the database backup and you issued the following command: RMAN>CHANGE BACKUPSET 231 NOKEEP; What is the implication of this command?（）