REVOKE ADD, DELETE FROM USER tom ON TABLE tab1
REVOKE ADD, DELETE ON TABLE tab1 FROM USER tom
REVOKE INSERT, DELETE FROM USER tom ON TABLE tab1
REVOKE INSERT, DELETE ON TABLE tab1 FROM USER tom
第1题：
A.REVOKE ACCESS ON DATABASE FROM USER bob
B.REVOKE CONNECT ON DATABASE FROM USER tom
C.REVOKE tom FROM ACCESS ON DATABASE BY USER bob
D.REVOKE tom FROM CONNECT ON DATABASE BY USER bob
第2题：
A. Either the -a or flag -b may be used, but not both.
B. If the flag -a is used then the flag -b also must be used.
C. One of the -a or -b flags must be used, but not both at the same time.
D. Both the flags may be used together, but neither are mandatory.
第3题：
A.EDIT
B.CHMOD
C.ATTRIB
D.CONVERT
第4题：
Which of the following protocols is used to disable switch ports automatically to prevent switchingloops?（）
第5题：
Which of the following statements is true regarding the VERSIONS BETWEEN clause？（）
第6题：
A.REVOKE ALL PRIVILEGES FROM USER tom
B.REVOKE ALL ON EMPLOYEE FROM USER tom
C.REVOKE EXECUTE ON EMPLOYEE FROM USER tom
D.REVOKE PRIVILEGES ON EMPLOYEE FROM USER tom
第7题：
A. The default administrative distance is used.
B. The command is used to establish a static route.
C. The command is used to configure the router interfaces.
D. The command is used to establish a stub network.
E. The subnet mask for the source address is 255.255.255.0
第8题：
A.GRANT ADD DATA ON TABLE tab1 TO GROUP tom appgrp
B.GRANT INSERT TO USER tom, GROUP appgrp ON TABLE tab1
C.GRANT INSERT ON TABLE tab1 TO USER tom, GROUP appgrp
D.GRANT ADD DATA ON TABLE tab1 TO USER appgrp, GROUP tom
第9题：
The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?（）
第10题：
A user copied files from a CD and now the files can only be opened as read-only. Which of the following utilities can be used to allow the user the ability to edit the files?（）