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单选题
Which of the following represents the correct way to perform an online recovery of datafile 4， which is assigned to a tablespace called USERS？（）
A
shutdown restore datafile 4； recover datafile 4； alter database open；
B
Sql alter database datafile 4 offline； restore datafile 4； recover datafile 4； alter database open；
C
Sql alter database datafile 4 offline； restore datafile 4； Sql alter database datafile 4 online；
D
Sql alter database datafile 4 offline； restore database datafile 4； recover database datafile 4；Sql alter database datafile 4 online；
E
Sql alter database datafile 4 offline； restore datafile 4； recover datafile 4； Sql alter database datafile 4 online；
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更多 “单选题Which of the following represents the correct way to perform an online recovery of datafile 4， which is assigned to a tablespace called USERS？（）A shutdown restore datafile 4； recover datafile 4； alter database open；B Sql alter database datafile 4 offline； restore datafile 4； recover datafile 4； alter database open；C Sql alter database datafile 4 offline； restore datafile 4； Sql alter database datafile 4 online；D Sql alter database datafile 4 offline； restore database datafile 4； recover database datafile 4；Sql alter database datafile 4 online；E Sql alter database datafile 4 offline； restore datafile 4； recover datafile 4； Sql alter database datafile 4 online；” 相关考题
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Given the host IP address of 192.168.100.60 and a network mask of 255.255.255.224 (or ／27), which address represents the correct network address for the referenced host?()
A.192.168.100.48B.192.168.100.16C.192.168.100.0D.192.168.100.32
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Which of the following reasons indicate why it is important to have the user demonstrate the task they are trying to perform?（）A、To help the technician learn how to perform the task B、To determine if the user is performing the task properly C、To determine if the user is authorized to perform the task D、To help the technician determine if there is a better way to perform the task in question
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考题
单选题Which of the following reasons indicate why it is important to have the user demonstrate the task they are trying to perform?（）A
To help the technician learn how to perform the task B
To determine if the user is performing the task properly C
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DHCPREQUEST， DHCPOFFER， DHCPDISCOVER， DHCPACKB
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考题
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单选题The Outer.1Q tag represents customer VLAN ID and inner.1Q tag represents Provider VLAN？（）A
The Outer.1Q tag represents customer VLAN ID and inner.1Q tag represents Provider VLAN （PVLAN ）B
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QinQ is a way to hide native VLAN which can conflict with Provider native VLAN
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liquid on the floorB
a tiled floorC
a concrete floorD
carpet
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Capture，analyze，preprocess，replayB
Capture，preprocess，analyze，replayC
Capture，preprocess，replay，analyzeD
Analyze，capture，preprocess，replayE
None of the above
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