92.将文件file的创建者改为user的命令是 A: chmod user file B: chgrp user file C: chowm user file D: chown file user

The first step in prototyping is to identify the user’s basic requirements.

Auth

假设需要导出某个表table1，只导出表结构，不导出数据，可以使用如下（）命令。 A: EXP user/pwd tables=（name,table1）file=export.dmp Rows=y B: EXP user1/pwd table table1 file=extable1.dmp C: EXP user/pwd tables=（name,table1）file=export.dmp Rows=n D: EXP user1/pwd table=table1 file=extable1.dmp Rows=

假设需要导出某个表table1，只导出表结构，不导出数据，可以使用如下（）命令。 A: AEXP user/pwd tables=（name,table1）file=export.dmp Rows=y B: BEXP user1/pwd table table1 file=extable1.dmp C: CEXP user/pwd tables=（name,table1）file=export.dmp Rows=n D: DEXP user1/pwd table=table1 file=extable1.dmp Rows=n

A user’s print jobs default to PRINTER_A.The user wants to change their default printer to PRINTER_B.How can the system administrator change the user’s default printer to PRINTER_B？（） A: Execute the command ’piobe -q PRINTER_B’ B: Edit the user’s stanza in the /etc/qconfig file C: Execute the command ’chuser -a QUEUE=PRINTER_B user’ D: Add the line ’export PRINTER=PRINTER_B’ to the user’s .profile

A basic feature of all( ) is the capability to locate records in the file quickly. A: APP B: OS C: CAD D: DBMS

英译汉。11 FTP allows a user to transfer virtually every kind of file that can be stored on a computer from one Internet-connected computer to another.

A basic feature of all (73) is the capably to locate records in the file quickly. A: APP B: OS C: CAD D: DBMS

Your company security policy requires complex passwords. You have a comma delimited file named import.csv that contains user account information. You need to create user account in the domain by using the import.csv file. You also need to ensure that the new user accounts are set to use default passwords and are disabled. What shoulld you do（）