题目内容 (请给出正确答案)
[主观题]

两个声源其声压级分别是40dB和30dB,则叠加后的声压级为()dB。A.12B.30C.40D.52

两个声源其声压级分别是40dB和30dB,则叠加后的声压级为()dB。

A.12

B.30

C.40

D.52

查看答案
如搜索结果不匹配,请 联系老师 获取答案
您可能会需要:
您的账号:,可能会需要:
您的账号:
发送账号密码至手机
发送
更多“两个声源其声压级分别是40dB和30dB,则叠加后的声压级为…”相关的问题

第1题

An administrator receives a contract for a server install at a new building. Which of the followingshould be completed after installing the server?()

A. Log the administrator password used

B. Test the air temperature

C. Update the network diagram

D. Review the evacuation procedures

点击查看答案

第2题

What is the minimum amount of memory required for a new LPAR to be built via NIM on AIX 6.1?()

A.128M

B.256M

C.512M

D.1024M

点击查看答案

第3题

An administrator plans to use bootable AIX media to boot a system into maintenance mode. T
he system is running AIX 5.3 TL09 with a64-bit kernel.The administrator has a selection of media available.Which media should the administrator use?()

A.AnyAIXbootablemedia,providingitisa64-bitvariant

B.AnyAIXbootablemedia,providingitisAIX5.1orlater

C.AnyAIX5.3bootablemedia,providingitisTL09orlater

D.AnyAIX6.1bootablemedia,providingitisTL02orlater

点击查看答案

第4题

The network administrator has just finished installing a new 10/100/1000 switch, but recei
ves reports from the server administrator that servers connected to the new switch seem to be experiencing slow LAN connections. The network administrator checks the port connecting the new switch to the core switch and sees the following information:Which of the following is the MOST likely cause of the slow connections?()

A. The servers have not had VLAN tagging enabled on their NICs.

B. Speed and duplex have not been set.

C. VLAN tagging was not set on the trunk.

D. The servers have been connected with CAT5 cable.

点击查看答案

第5题

请解释AIX中LVM、PV、LV、PP、LP的含义?
点击查看答案

第6题

An administrator will replace five current servers. Which of the following is the MOST important to review before installing new servers?()

A. Verify uninterruptible power supply (UPS) load

B. Verify if server consumes 220V

C. Verify CPU load

D. Verify if server consumes 110V

点击查看答案

第7题

An administrator is installing Windows Server 2003 via CD on a new server with an SAS RAID
array. When the administrator reaches the option to select the target installation drive, there are no drives listed. Which of the following is the FIRST thing the administrator should do?()

A. Restart the installation via WDS.

B. Shut down the server and check that all RAID drives are connected properly.

C. Restart the installation from CD and press F6 to install RAID drivers.

D. Go into the BIOS and set all RAID drives to compatibility mode

点击查看答案

第8题

You want to install Windows 2000 Professional on 45 new computers on your company's networ
k. You first install Windows 2000 Professional on one of the new computers.

You log on to the computer by using the local Administrator account. You install Microsoft Office 97, a virus scanner, and other company-standard applications. You then create a RIS image of the computer you configured.

You want to configure the RIS image so that the standard applications will be accessible to the user when the user first logs on to the network. What should you do?

A.Run Rbfg.exe before installing the standard applications.

B.Run RIPrep.exe before installing the standard applications.

C.Copy the All Users profile to the Default Users profile.

D.Copy the local Administrator account profile to the Default Users profile

点击查看答案

第9题

A system administrator has an existing mksysb image, but would like to modify the image.da
ta file on the mksysb before installing it on a system. Which of the following procedures is most appropriate to perform?()

A.Create a new image.data file and recreate the mksysb image.

B.Use the dd command to replace the image.data file on the mksysb tape.

C.Use the tctl command to palce the new image.data file on the mksysb tape.

D.Place the new image.data file on a diskette that will be road during the installation of the mksysb.

点击查看答案

第10题

An administrator is supporting an AIX 6.1 LPAR remotely and needs a tape operator to plug
a cable into an Ethernet adapter. The tape operator does not have POWER6 595 knowledge.What can the administrator do to assist the tape operator to locate the correct adapter?()

A.Advise the tape operator to review the hardware service guide.

B.Use the diag command to set the Ethernet adapter slot LED to flash.

C.Advise the tape operator to check the WWN stickers of all Ethernet adapter in the I/O drawers.

D.Create a login account for tape operator on the HMC and advise the tape operator to locate the adapter using the GUI step by step.

点击查看答案
热门考试 全部 >
相关试卷 全部 >
账号:
你好,尊敬的上学吧用户
发送账号至手机
密码将被重置
获取验证码
发送
温馨提示
该问题答案仅针对搜题卡用户开放,请点击购买搜题卡。
马上购买搜题卡
我已购买搜题卡, 登录账号 继续查看答案
重置密码
确认修改
谢谢您的反馈

您认为本题答案有误,我们将认真、仔细核查,
如果您知道正确答案,欢迎您来纠错

警告:系统检测到您的账号存在安全风险

为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!

微信搜一搜
上学吧
点击打开微信
警告:系统检测到您的账号存在安全风险
抱歉,您的账号因涉嫌违反上学吧购买须知被冻结。您可在“上学吧”微信公众号中的“官网服务”-“账号解封申请”申请解封,或联系客服
微信搜一搜
上学吧
点击打开微信