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Which two statements about NTP version 4 are true？（）
A . It supports fast synchronization at starting and before network failures
B . It supports automatic server discovery
C . It uses a fixed-point arithmetion
D . It supports the "nanokernel" kernel implementation
E . It does not support Public-Key Cryptography
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VTP is configured on switch R1. Which of the following features were added in VTP version 2 that were not previously supported in VTP version 1？（）
A . Supports Token Ring VLANs.
B . Allows VLAN consistency checks.
C . Saves VLAN configuration memory.
D . Reduces the amount of configuration necessary.
E . Allows active redundant links when used with spanning tree.
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On which two database objects can the VERSIONS clause of the Flashback Versions Query be used？（）
A . fixed tables
B . heap tables
C . external tables
D . temporary tables
E . Index-Organized Tables （IOTs）
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Which three of these user groups are available on cisco wcs version 4.0？（）
A . admin
B . users assistant
C . system monitoring
D . power users
E . administrators
F . network operator
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Which of the following statements is true regarding the VERSIONS BETWEEN clause？（）
A . The VERSIONS BETWEEN clause may be used in DML statements.
B . The VERSIONS BETWEEN clause may be used in DDL statements.
C . The VERSIONS BETWEEN clause may not be used to query past DDL changes to tables.
D . The VERSIONS BETWEEN clause may not be used to query past DML statements to tables.
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Which of the following filesets needs to be installed in order to use topas at AIX Version 5.x？（）
A . perfagent.tools
B . bos.perf.tools
C . bos.adt.samples
D . perfmgr.local
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Which of the following statements best describes Flashback Versions Query？（）
A . Flashback Versions Query is used to make changes to multiple versions of data that existed between two points in time.
B . Flashback Versions Query is used to view all version changes on rows that existed between the time the query was executed and a point in time in the past.
C . Flashback Versions Query is used to view version changes and the SQL to undo those changes on rows that existed between two points in time.
D . Flashback Versions Query is used to view all version changes on rows that existed between two points in time.
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Which three options are features of VTP version 3？（）
A . VTPv3 supports 8K VLANs.
B . VTPv3 supports private VLAN mapping.
C . VTPv3 allows for domain discovery.
D . VTPv3 uses a primary server concept to avoid configuration revision issues.
E . VTPv3 is not compatible with VTPv1 or VTPv2.
F . VTPv3 has a hidden password option.
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An administrator has a legacy cluster running version 4.5/ES and would like to update to version 5.5.Which of the following is a valid upgrade path？（）
A . 1. Upgrade from 4.5 to 5.12. Upgrade from 5.1 to 5.5
B . 1. Upgrade from 4.5 to 5.22. Upgrade from 5.2 to 5.5
C . 1. Upgrade from 4.5 to 5.32. Upgrade from 5.3 to 5.5
D . 1. Upgrade from 4.5 to 5.4.12. Upgrade from 5.4.1 to 5.5
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A recently installed package needs to be rolled back to aprevious version. Which of the following commands will perform the task?（）
A . reject
B . cleanup
C . deinstall
D . uninstall
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A system administrator needs to upgrade the Oracle database from Version 7 to Version 8. Which of the following scheduling concerns should be considered?（）
A . Schedule enough down time to backup, upgrade and reboot.
B . Backup, upgrade, then schedule enough down time to reboot the system.
C . Backup, then schedule enough down time to upgrade and reboot the system.
D . There are no scheduling concerns because no down time is required.
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Which of the following versions of AIX provide both multi-path I/O and dynamic LPAR？（）
A . AIX V5.2
B . AIX V4.2
C . AIX V4.3
D . AIX V5.1
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Which of the following can be used in conjunction with a Flashback Versions Query to filter the results？（）
A . A range of SCN values
B . A list of SCN values
C . A starting and ending timestamp
D . Minimum and maximum sequence values
E . A list of sequence value
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On which two database objects can the VERSIONS clause of the Flashback Versions Query be used?（）
A . fixed tables
B . heap tables
C . external tables
D . temporary tables
E . Index-Organized Tables (IOTs)
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An administrator wants to know what version of VIOS is running on their server. Which of the following commands will show the VIOS version?（）
A . oslevel
B . ioslevel
C . oslevel -s
D . ioslevel -v
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For which two database objects can the VERSIONS clause of the Flashback Versions Query be used?（）(Choose two.)
A . views
B . fixed tables
C . heap tables
D . external tables
E . temporary tables
F . index-organized tables (IOT)
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The earliest version of King Arthur was recorded in History of the Britons in 830.
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The original version of qipao was the gown of the Manchu women of Ming Dynasty.
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Which of the following works was no t written by Homer?
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Yeas later, after I had ______ other versions of the song, I discovered why it was so well-known.
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A special version of Auto-Tune was available at $99 for______.
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For the ZXCTN6000 series devices of the version V1.10, which of the following protecti
A．A.steering
B．B.wrapping
C．C.1+1 LSP
D．D.1:1 LSP
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Scientists discovered that atoms of some substances are radioactive. This means that they are unstable and can be split. The chain of splitting atoms releases great destructive energy and it was this discovery which led scientists to develop the idea of an atomic bomb. The American government secretly worked to produce such a bomb and the first version was much more powerful than anyone had thought.
By this time, the World War II had ended in Europe. But the Japanese refused to surrender, the Americans decided that by dropping an atomic bomb on Japan, they could end the war quickly and save more of their soldier’s lives.
Soon after midnight on 6 August 1945, a bomb was dropped on the city of Hiroshima, a civilian target. No warning was given and there was total devastation. Almost all the buildings were destroyed and more than 100000 people died or were horribly wounded.
The Japanese military still did not want to surrender so three days later, the Americans dropped a second atomic bomb on the city of Nagasaki, killing 45000 people. The Japanese government was discussing ending the war when they heard the news of Nagasaki. Finally, they surrendered and the World War II came to an end.
At first, the scientists who had built the bomb were pleased that it had helped to end the war. However, many would come to realize that they had helped to create the most terrible weapon known to man.
The first atomic bomb ______.
A．was less powerful
B．was dropped in Nagasaki
C．was a failure
D．was tested in desert
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Which of the following steps should be involved before agent version upgrade?()
A.Environment inspection: inspect whether line cards can work normally, and check info of current boot and system versions in devices
B.Check the whole network and activate PW control field of PW.
C.Save configuration currently running in devices.
D.Check boot versio
此题为多项选择题。
