问题详情

架空光缆(电)缆有挂钩式、捆扎式和自承式三种。

A、对

B、错

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With regard to the drivers behind Application Grid based computing, consider the following statements and indicate which is TRUE:// ()  I. data center complexity leads to lack of predictability making it difficult if not impossible to guarantee quality of service  II. data centers must do more with less and find a way to better utilize existing capacity  III. growth means added complexity

A、 I and II

B、 I and III

C、 II and III

D、 I, II and III

一般风速的轻负荷区架空线路相隔多少档杆数交替设立防凌杆()。

A、8

B、12

C、16

D、20

默认情况下,ICMP列表中()。

A、不允许任何ICMP消息

B、允许所有ICMP消息

C、只允许传入的echo请求

D、不允许传入的echo请求

You issued the following commands to configure setting in RMAN; Then you issued the following command to take the backup: RMAN> BACKUP DATABASE PLUS ARCHIVELOG; Which statement is true about the execution of the above command?()

A、 The backup will terminate because the FORMAT clause was not configured for the channel

B、 It backs up two copies of data files to tape and disk, and two copies of archived log file on tape

C、 It backs up the data files and archived log files to disk, making two copies of each data file and archived log file

D、 It backs up the data files and archived log files to tape, making two copies of each data file and archived log file

Which two statements are TRUE regarding Coherence Indexes ? ()

A

 indexes are maintained by cache entry ownes

B

 an application should not suggest an index that another aplication had suggested

C

 indexes cannot be sorted

D

 each application using Coherence may suggest the same set of indexes when it starts

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