Oracle OCP 1Z0 053 Q532(ASM High Redundancy)
532.As DBA for the Rebel Alliance you have decided that you need to facilitate some redundancy in your
database. Using ASM, you want to create a disk group that will provide for the greatest amount of
redundancy for your ASM data (you do not have advanced SAN mirroring technology available to you,
unfortunately).
Which of the following commands would create a disk group that would offer the maximum in data
redundancy?
A. CREATE DISKGROUP dg_alliance1 NORMAL REDUNDANCY failgroup diskcontrol1 DISK ,,
c:\oracle\asm_disk\_file_disk3 NAME file_ diska1 failgroup diskcontrol2 DISK ,,
c:\oracle\asm_disk\_file_disk4 NAME file_ diskb1;
B. CREATE DISKGROUP dg_alliance1 EXTERNAL REDUNDANCY failgroup diskcontrol1 DISK
'c:\oracle\asm_disk\_file_disk3' NAME file_ diska1;
C. CREATE DISKGROUP dg_alliance1 HIGH REDUNDANCY failgroup diskcontrol1 DISK
'c:\oracle\asm_disk\_file_disk1' NAME file_ disk1 failgroup diskcontrol2 DISK '
c:\oracle\asm_disk\_file_disk2' NAME file_ disk2 failgroup diskcontrol2 DISK '
c:\oracle\asm_disk\_file_disk3' NAME file_ disk3;
D. CREATE DISKGROUP dg_alliance1 MAXIMUM REDUNDANCY failgroup diskcontrol1 DISK
'c:\oracle\asm_disk\_file_disk1' NAME file_ disk1 failgroup diskcontrol2 DISK '
c:\oracle\asm_disk\_file_disk2' NAME file_ disk2 failgroup diskcontrol2 DISK '
c:\oracle\asm_disk\_file_disk3' NAME file_ disk3 failgroup diskcontrol2 DISK “First Test,
'c:\oracle\asm_disk\_file_disk4' NAME file_ disk4;
E. None of the above
Answer: C
greatest amount of redundancy: 冗餘度最大是HIGH, 而不是MAXIMUM
指定冗餘度,有三個選擇:HIGH(高度冗餘>三路)、NORMAL(標準冗餘--雙路)和XTERNAL(外部儲存冗餘);
參考:http://blog.csdn.net/rlhua/article/details/14124425
database. Using ASM, you want to create a disk group that will provide for the greatest amount of
redundancy for your ASM data (you do not have advanced SAN mirroring technology available to you,
unfortunately).
Which of the following commands would create a disk group that would offer the maximum in data
redundancy?
A. CREATE DISKGROUP dg_alliance1 NORMAL REDUNDANCY failgroup diskcontrol1 DISK ,,
c:\oracle\asm_disk\_file_disk3 NAME file_ diska1 failgroup diskcontrol2 DISK ,,
c:\oracle\asm_disk\_file_disk4 NAME file_ diskb1;
B. CREATE DISKGROUP dg_alliance1 EXTERNAL REDUNDANCY failgroup diskcontrol1 DISK
'c:\oracle\asm_disk\_file_disk3' NAME file_ diska1;
C. CREATE DISKGROUP dg_alliance1 HIGH REDUNDANCY failgroup diskcontrol1 DISK
'c:\oracle\asm_disk\_file_disk1' NAME file_ disk1 failgroup diskcontrol2 DISK '
c:\oracle\asm_disk\_file_disk2' NAME file_ disk2 failgroup diskcontrol2 DISK '
c:\oracle\asm_disk\_file_disk3' NAME file_ disk3;
D. CREATE DISKGROUP dg_alliance1 MAXIMUM REDUNDANCY failgroup diskcontrol1 DISK
'c:\oracle\asm_disk\_file_disk1' NAME file_ disk1 failgroup diskcontrol2 DISK '
c:\oracle\asm_disk\_file_disk2' NAME file_ disk2 failgroup diskcontrol2 DISK '
c:\oracle\asm_disk\_file_disk3' NAME file_ disk3 failgroup diskcontrol2 DISK “First Test,
'c:\oracle\asm_disk\_file_disk4' NAME file_ disk4;
E. None of the above
Answer: C
greatest amount of redundancy: 冗餘度最大是HIGH, 而不是MAXIMUM
指定冗餘度,有三個選擇:HIGH(高度冗餘>三路)、NORMAL(標準冗餘--雙路)和XTERNAL(外部儲存冗餘);
參考:http://blog.csdn.net/rlhua/article/details/14124425
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