Which of the following commands will display, in MB, the total, used, and free blocks of the currently mounted filesystems?()

第1题

All of his friends came and () him on his success.A、concentratedB、meltC、congratulatedD、mounted

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第2题

You’re going to have a quiz ( )by another two in the ( )month.A. followed,followedB. followed,followingC. following,followedD. following,following

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第3题

YouaremanaginganOracleDatabase11gdatabaserunninginARCHIVELOGmode.TheFlashRecoveryAreaisspecifiedasthedestinationforthearchivedredologfiles.Younoticethiswarninginthealertlogfile：ORA-19815：WARNING：db_recovery_file_dest_sizeof3221225472bytesis100.00%used，andhas0remainingbytesavailable.WhatwouldyoudotoreclaimtheusedspaceintheFlashRecoveryArea（）A.BackuptheFlashRecoveryArea.B.Decreasetheretentiontimeforthedatabasebackupandflashbacklogfiles.C.ManuallydeleteallthearchivedlogfilesfromtheFlashRecoveryAreabyusingoperatingsystem（OS）commands.D.ManuallydeletealltheexpiredbackupsetsfromtheFlashRecoveryAreabyusingoperatingsystem（OS）commands.

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第4题

Currently 94% of Web users use either Internet Explorer or Firefox, but recently some new(71) have been developed that are beginning to attract attention. The browser Opera is becoming very(72) because of its speed, it is currently the world's fastest browser, and because it is much smaller(73) existing browsers (it can almost fit on a single diskette). It can also(74) the last Web page you visited, so the next time you surf, you can start where you left off. And like the big two, you can get it for free; the catch is that you have to watch blinking ads in one comer, or pay ＄40 for the ad-free (75) of Opera.A．readersB．machinesC．techniquesD．browsers

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第5题

Currently 94% of Web users use either Internet Explorer or Firefox, but recently some new （71） have been developed that are beginning to attract attention. The browser Opera is becoming very（72）because of its speed, it is currently the world’s fastest browser, and because it is much smaller（73） existing browsers (it can almost fit on a single diskette). It can also （74）the last Web page you visited, so the next time you surf, you can start where you left off. And like the big two, you can get it for free; the catch is that you have to watch blinking ads in one corner, or pay $40 for the ad-free （75） of Opera.A. readers B.machines C. techniques D.browsers

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第6题

Currently 94% of Web users use either Internet Explorer or Firefox, but recently some new （71） have been developed that are beginning to attract attention. The browser Opera is becoming very（72）because of its speed, it is currently the world’s fastest browser, and because it is much smaller（73） existing browsers (it can almost fit on a single diskette). It can also （74）the last Web page you visited, so the next time you surf, you can start where you left off. And like the big two, you can get it for free; the catch is that you have to watch blinking ads in one corner, or pay $40 for the ad-free （75） of Opera.A.think B.read C.write D.remember

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第7题

Currently 94% of Web users use either Internet Explorer or Firefox, but recently some new （71） have been developed that are beginning to attract attention. The browser Opera is becoming very（72）because of its speed, it is currently the world’s fastest browser, and because it is much smaller（73） existing browsers (it can almost fit on a single diskette). It can also （74）the last Web page you visited, so the next time you surf, you can start where you left off. And like the big two, you can get it for free; the catch is that you have to watch blinking ads in one corner, or pay $40 for the ad-free （75） of Opera.A.beyond B.so C.than D.as

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