When resetting a Catalyst Express switch to factory default settings, which three options are available from the Software Recovery window?()A、Boot to a password recovery windowB、Boot with the factory default imageC、Erase the system configuration and boot with the factory default IOS imageD、Erase the system configuration and boot from a TFTP-supplied IOS imageE、Erase the System Configuration

When resetting a Catalyst Express switch to factory default settings, which three options are available from the Software Recovery window?()

  • A、Boot to a password recovery window
  • B、Boot with the factory default image
  • C、Erase the system configuration and boot with the factory default IOS image
  • D、Erase the system configuration and boot from a TFTP-supplied IOS image
  • E、Erase the System Configuration

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通常配制FeSO4溶液时,加入少量铁钉,其原因与下列反应中的哪一个有关() A、O2(g)+4H+(aq)+4e⇋2H2O(l)B、Fe3+(aq)+e⇋Fe2+(aq)C、2Fe3+(aq)+Fe(s)⇋3Fe2+(aq)D、Fe3+(aq)+3e⇋Fe(s)

下列实验可以用来区别NaBr(aq)和NaI(aq)的是()。A、分别通入CO2B、分别通入Cl2C、分别加入NaNO3(aq)D、分别加入K(s)

Which three of these pre-requisite for resetting a Catalyst Express 500 switch when Cisco Network Assistant is unavailable?()A、At Least one enabled switch port that is unconnected to any deviceB、A PC pre-configured with a specific IP Address and MaskC、A PC or laptop with Windows 2000 or Windows XP installed and a web browser that has Java Script enabledD、Physical Access to SwitchE、A Switch with no connected devices

已知反应2HgC12(aq)+Sn2+(aq)↔Sn4+(aq)+Hg2C12(s)+2Cl-(aq)的EΘMF=0.5032V,EΘ(Sn4+/Sn2+)=0.1539V,则EΘ(HgC12/Hg2C12)=()A、0.3493VB、0.3286VC、1.314VD、0.657lV

下列哪一体系可以自发发生同化反应而产生中间氧化态离子? ()A、Cu(s) + Cu2+(aq)B、Fe(s) + Fe3+(aq)C、Mn2+(aq) + MnO4aq)2-D、Hg(l)+ HgCl2(饱和)

2FeCl3(aq) + H2S(aq)--()

煤矿井下作业人员管理系统必须符合()技术要求A、AQ6210-2007B、AQ1048-2007C、AQ6201-2006

已知反应:HCN(aq)+OH-(aq)=CN-(aq)+H2O(l)ΔrHθm=-12.1KJ·mol-1,H+(aq)+OH-(aq)=HO(l)ΔrHθm=-55.61KJ·mol-1,则1molHCN(aq)在水中电离反应的热效应为()

通入H2S时,Ni2+(aq)比Mn2+(aq)更易形成硫化物

电池Ag|Ag+(aq)||Cl-(aq)|Cl2(g),Pt与Ag(s),AgCl-(s)|Cl-(aq)|Cl2(g),Pt对应一个电池反应.

对于电池Zn|ZnSO4(aq)||AgNO3(aq)|Ag,其中的盐桥可以用饱和KCl溶液。

Which two statements are true about interoperating with Oracle AQ JMS with Oracle WebLogic server ?()A、 If you select a non-XA JDBC driver, you can use WebLogic AQ JMS in both local  global transactionsB、 Oracle WebLogic Server requires a JDBC driver to communicate with the Oracle AQ JMSC、 Oracle WebLogic AQ JMS stand-alone client automatically participate in global transactions managed by Oracle WebLogic ServerD、 If you select an XA JDBC driver, you can use WebLogic AQ JMS in both local and global transactions

You want to migrate an application that was developed for OAS/OC4J to WebLogic. The application uses Oracle Streams Advanced Queuing (AQ). You configured a Foreign JMS Server and Data Source but you are not able to send messages to the AQ destination and see them reach the database. Which two things are missing in this configuration?()A、nothing, there may be a network connection issueB、a Foreign JMS Connection FactoryC、a JMS Bridge to map the JNDI of the Local JMS Destination to the remote AQ destinationD、a mapping of the Foreign JMS Connection Factory to the Data Source where AQ is configured and installedE、Oracle AQ Java EE Shared Libraries not deployed and referenced by your application

电池Ag(s)|AgCl(s)|KCl(aq)|Hg2Cl2(s)|Hg(l)与电池Hg(l)|Hg2Cl2(s)|KCl(aq)|AgNO3(aq)|Ag(s)的电池反应可逆。

下列电池中,哪个电池的电动势与 Cl-离子的活度无关?()A、Zn│ZnCl2(aq)│Cl2(g)│PtB、Zn│ZnCl2(aq)‖KCl(aq)│AgCl(s)│AgC、Ag│AgCl(s)│KCl(aq)│Cl2(g)│PtD、Hg│Hg2Cl2(s)│KCl(aq)‖AgNO3(aq)│Ag

2[Ag(CN)2](aq)+S2-(aq)=Ag2S(s)+4CN-(aq)的的标准平衡常数KӨ值为()。(Ag2S的KspӨ=6.3×10-50)

反应2Fe3+(aq)+Cu(s)=2Fe2++Cu2+(aq)与Fe(s)+Cu2+(aq)=Fe2+(aq)+Cu(s)均正向自发进行,在上述所有氧化剂中最强的是(),还原剂中最强的是()。

电池(a) Ag,AgCl|KCl(aq)|Hg2Cl2,Hg与电池(b) Hg,Hg2Cl2|KCl(aq)|AgNO3(aq)|Ag的电池反应可逆。

电池(1)Ag|AgBr(s)|KBr(aq)|Br2|Pt,电池(2)Ag|AgNO3(aq)||KBr(aq)|AgBr(s)|Ag的电池电动势E1、E2都与Br-浓度无关。

下列电池的电动势与氯离子活度无关的是()A、Zn〡ZnCl2(aq)〡Cl2(p),PtB、Zn〡ZnCl2(aq)〡KCl(aq)〡AgCl,AgC、Ag-AgCl〡KCl(aq)〡Cl2(p),PtD、Pt,H2(p)〡HCl(aq)〡Cl2(p),Pt

电池Ag(s),AgCl(s)︱Cl-(aq)‖Ag+(aq)︱Ag可选用()做盐桥。

电池Ag(s)︱AgNO3(aq)‖KCl(aq)︱Cl2(g),Pt的电池反应为()。

电池Ag | Ag+(aq)||Cl-(aq)|Cl2(g),Pt与Ag(s),AgCl(s)|-(aq)|Cl2(g),Pt对应一个电池反应.

通过电动势的测定,可以求难溶盐的活度积,今欲求AgCl的活度积,则应设计的电池为:()A、Ag│AgCl│HCl(aq)‖Cl2(p)│PtB、Pt│Cl2│HCl(aq)‖AgNO3(aq)│AgC、Ag│AgNO3(aq)‖HCl(aq)│AgCl│AgD、Ag│AgCl│HCl(aq)‖AgCl│Ag

判断题电极反应Fe3+(aq)+e====Fe2+(aq)的ϕθ=+0.771V,则电极反应Fe2+(aq)==== Fe3+(aq)+e的ϕθ=-0.771V。A对B错

多选题Which two statements are true about interoperating with Oracle AQ JMS with Oracle WebLogic server ?()AIf you select a non-XA JDBC driver, you can use WebLogic AQ JMS in both local  global transactionsBOracle WebLogic Server requires a JDBC driver to communicate with the Oracle AQ JMSCOracle WebLogic AQ JMS stand-alone client automatically participate in global transactions managed by Oracle WebLogic ServerDIf you select an XA JDBC driver, you can use WebLogic AQ JMS in both local and global transactions

多选题When resetting a Catalyst Express switch to factory default settings, which three options are available from the Software Recovery window?()ABoot to a password recovery windowBBoot with the factory default imageCErase the system configuration and boot with the factory default IOS imageDErase the system configuration and boot from a TFTP-supplied IOS imageEErase the System Configuration

多选题Which three of these pre-requisite for resetting a Catalyst Express 500 switch when Cisco Network Assistant is unavailable?()AAt Least one enabled switch port that is unconnected to any deviceBA PC pre-configured with a specific IP Address and MaskCA PC or laptop with Windows 2000 or Windows XP installed and a web browser that has Java Script enabledDPhysical Access to SwitchEA Switch with no connected devices