-
Which three SELECT statements displays 2000 in the format “$2,000.00”?（）
A . SELECT TO CNAR(2000, ‘$#,###.##’) FROM dual;
B . SELECT TO CNAR(2000, ‘$0,000.00’) FROM dual;
C . SELECT TO CNAR(2000, ‘$9,999.00’) FROM dual;
D . SELECT TO CNAR(2000, ‘$9,999.99’) FROM dual;
E . SELECT TO CNAR(2000, ‘$2,000.00’) FROM dual;
F . SELECT TO CNAR(2000, ‘$N,NNN.NN’) FROM dual
-
Refer to the exhibit.Switch-1 needs to send data to a host with a MAC address of 00b0.d056.efa4.What will Switch-1 do with this data?（）https://assets.asklib.com/images/image2/2018072316493495987.jpg
A . switch-1 will drop the data because it dose not have an entry for that MAC address
B . switch-1 will flood the data out all of its port from which the data originated
C . switch-1 will forward the data to its default gateway
D . tch-1 will send an ARP request out all its ports except the port from which the data originated
-
Hurry up. The lecture begins at 2:00.（）
A . Don‘t worry. We‘ve got 20 minutes.
B . Thank you. No hurry.
C . Never mind. You go if you like.
D . The lecture is useful.
-
在下面哪些情况下可以安全地运行fsck工具程序？（）
A . 一个正处于运行状态下的文件系统
B . 运行于级别2的root文件系统
C . 一个被卸载的文件系统
D . 一个被只读安装的文件系统
-
Which SQL statement displays the date March 19, 2001 in a format that appears as "Nineteenth of March 2001 12:00:00 AM"? （）
A . SELECT TO_CHAR(TO_DATE('19-Mar-2001', 'DD-Mon-YYYY'), 'fmDdspth "of" Month YYYY fmHH:MI:SS AM') NEW_DATE FROM dual;
B . SELECT TO_CHAR(TO_DATE('19-Mar-2001', 'DD-Mon-YYYY'), 'Ddspth "of" Month YYYY fmHH:MI:SS AM') NEW_DATE HH:MI:SS AM') NEW _ DATE FROM dual;
C . SELECT TO_CHAR(TO_DATE('19-Mar-2001', 'DD-Mon-YYYY'), 'fmDdspth "of" Month YYYY NEW _ DATE FROM dual;
D . SELECT TO_CHAR(TO_DATE('19-Mar-2001', 'DD-Mon-YYYY), 'fmDdspth "of" Month YYYYfmtHH:HI:SS AM')NEW_DATE FROM dual
-
Which three SELECT statements displays 2000 in the format "$2,000.00"? （）
A . SELECT TO CNAR(2000, '$#,###.##') FROM dual;
B . SELECT TO CNAR(2000, '$0,000.00') FROM dual;
C . SELECT TO CNAR(2000, '$9,999.00') FROM dual;
D . SELECT TO CNAR(2000, '$9,999.99') FROM dual;
E . SELECT TO CNAR(2000, '$2,000.00') FROM dual;
F . SELECT TO CNAR(2000, '$N,NNN.NN') FROM dual
-
Which two IP multicast addresses belong to the group represented by the MAC address of 0x01-00-5E-15-6A-2C？ （）
A . 224.21.106.44
B . 224.25.106.44
C . 233.149.106.44
D . 236.25.106.44
E . 239.153.106.44
-
You want to perform the database backup when user activity on your system is low, such as between 12:00 a.m. and 2:00 am. Which command terminates with an error if the backup is not complete at the end of the specified duration?（）
A . RMAN> BACKUP DURATION 2:00 MINIMIZE LOAD DATABASE
B . RMAN> BACKUP DURATION 2:00 PARTIAL FILESPERSET 1 DATABASE
C . RMAN> BACKUP DURATION 2:00 PARTIAL MINIMIZE TIME DATABASE
D . RMAN> BACKUP AS COPY DURATION 2:00 PARTIAL MINIMIZE LOAD DATABASE
-
在linux系统中，关于fsck命令正确的说法是（）。
A . 其使用权限必须超级用户
B . 其检查所有柱面组群的数据块映像中空闲数据块
C . 当其发现数据块映像有错误时，会自动重建
D . 普通用户也可以使用它
E . 当其发现数据块映像有错误时，不会自动重建
-
A filesystem fails to mount and running fsck does not resolve the problem. What command should be run next?（）
A . logform
B . savebase
C . exportvg
D . synclvodm
-
Which of the following adapters are located in the same planar？（） Ⅰ.00-00-02-08 Ⅱ.01-00-02-08 Ⅲ.00-00-04-01 Ⅳ.00-05-04-01
A . Ⅰ，Ⅱ
B . Ⅲ，Ⅳ
C . Ⅰ，Ⅱ，Ⅲ
D . Ⅰ，Ⅲ，Ⅳ
-
使用fsck检查文件系统时，应该（）。
A . 卸载（unmount）将要检查的文件系统
B . 一定要在单用户模式下进行
C . 最好使用-t选项指定要检查的文件系统类型
D . 在LINUX下，运行fsck对文件系统进行了改变后不必重新启动系统，系统已经将正确的信息读入
-
Which SQL statement displays the date March 19, 2001 in a format that appears as "Nineteenth of March 2001 12:00:00 AM"?（）
A . SELECT TO_CHAR(TO_DATE('19-Mar-2001', 'DD-Mon-YYYY'), 'fmDdspth "of" Month YYYY fmHH:MI:SS AM') NEW_DATE FROM dual;
B . SELECT TO_CHAR(TO_DATE('19-Mar-2001', 'DD-Mon-YYYY'), 'Ddspth "of" Month YYYY fmHH:MI:SS AM') NEW_DATE FROM dual;
C . SELECT TO_CHAR(TO_DATE('19-Mar-2001', 'DD-Mon-YYYY'), 'fmDdspth "of" Month YYYY HH:MI:SS AM') NEW_DATE FROM dual;
D . SELECT TO_CHAR(TO_DATE('19-Mar-2001', 'DD-Mon-YYYY'), 'fmtDdspth "of" Month YYYY fmtHH:MI:SS AM') NEW_DATE FROM dual
-
Which three SELECT statements display 2000 in the format "$2,000.00"? （）
A . SELECT TO_CHAR(2000, '$#,###.##') FROM dual;
B . SELECT TO_CHAR(2000, '$0,000.00') FROM dual;
C . SELECT TO_CHAR(2000, '$9,999.00') FROM dual;
D . SELECT TO_CHAR(2000, '$9,999.99') FROM dual;
E . SELECT TO_CHAR(2000, '$2,000.00') FROM dual;
F . SELECT TO_CHAR(2000, '$N,NNN.NN') FROM dual
-
下面关于“fsck”的叙述，哪些是正确的？（）
A . 你应每天执行该命令
B . 你应在“单用户模式”下执行该命令
C . 你应先做好文件系统层次级备份，然后再执行该命令
D . 你应在安装文件系统前执行该命令
-
The following was issues on router TestKingA: TestKingA #show ip ospf neighbor Neigbor ID PRI State Dead Time Address Interface 192.168.1.2 1 Full/- 00:00:37 192.168.1.2 Serial1 Which type of OSPF network will provide the output shown in the graphic?（）
A . FDDI
B . nonbroadcast multiaccess
C . broadcast multi-access
D . point-to-point
-
Write down the following time in English in 12-hour clock: 6:20, 12:00.
-
2013.12 3. It was not until 3:00 pm ______ the secretary found the missing report.
-
The test is 2 hours, ______ 5:00 ______ 7:00.
-
They try to get up at 9:00 a.m. in the morning.
-
4 Same or different? Write S or D.► 8.45 p.m. 8.45 in the evening S► 3.00 p.m. nearly 3.00 D1 12.00 at night midnight ____
-
If the degree of financial leverage (DFL) is 1.00, the operating breakeven point compared with the breakeven point is most likely:
A、lower.
B、 the same.
C、 higher.
-
Wht is the Jpnese popultion in Sn Frncisco 12 000.B．700 000.C．50 000.D．20 00Wht is the Jpnese popultion in Sn Frncisco 12 000. B．700 000. C．50 000. D．20 00
A．12 000．
B．700 000．
C．50 000．
D．20 00
-
The following was issues on router TestKingA:TestKingA show ip ospf neighborNeigbor ID PRI State Dead Time Address Interface192.168.1.2 1 Full/- 00:00:37 192.168.1.2 Serial1Which type of OSPF network will provide the output shown in the graphic？（）
A. FDDI
B. nonbroadcast multiaccess
C. broadcast multi-access
D. point-to-point
-
What time of the day is 12:00 A.M
