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列车无线列调系统中,允许哪些人员通话?

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Which command will enable the administrator to query the current network adapter configuration?()

A、netstat -v

B、entstat -d

C、lsattr -El

D、lsdev -C -attr

Where is the run date for an ‘at’ job located?()

A、Within the job environment set up

B、Within the user data of the at job

C、In the file name preceeded with a userid

D、In a special file used by the cron daemon

A client is having trouble connecting to the Internet. The client is using a static IP address and is able to connect to other devices on the network via IP address only. Which of the following is MOST likely the problem?()

A、IMAP

B、DHCP

C、DNS

D、NAT

Examine this statement:  RMAN >BACKUP FORMAT ’/BACKUP/df_%d_%s_%p.bus1 DATABASE filesperset = 2;  What state must the target database be in for you to use this RMAN command?()

A、The target database must be open.

B、The target database must be closed.

C、The target database must be mounted.

D、The target database must be mounted or open.

在PowerPoint2003中,对文字设置动画时,以下叙述正确的是()。

A、按字引入文本,对西文是逐个单词出现,对中文是逐字出现

B、整批发送即幻灯片内的文字内容一起出现

C、按字母引入文本,对汉字而言是逐字出现

D、按照第一层段落分组,表示以最低层段落为动画单位

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