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An administrator attempts to open a web page and sees the following error: 'Error 404: Page not found'. The administrator then uses the ping command and finds that the default gateway cannot be pinged. At which of the following layers does the problem MOST likely reside?（）
- A、Layer 1
- B、Layer 4
- C、Layer 5
- D、Layer 7
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更多 “ An administrator attempts to open a web page and sees the following error: 'Error 404: Page not found'. The administrator then uses the ping command and finds that the default gateway cannot be pinged. At which of the following layers does the problem MOST likely reside?（）A、Layer 1B、Layer 4C、Layer 5D、Layer 7” 相关考题
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以下程序段运行时从键盘上输入字符“-”，则输出结果为 op$=InputBox("op=") If op$="+" Then a=a+2 If op$="-" Then a=a-2 Print aA．2B．-2C．0D．+2
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An administrator attempts a traceroute but receives a "Destination Unreadable" message. Which protocol is responsible for that message?()
A. RARPB. RUDPC. ICMPD. SNMP
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An administrator attempts a traceroute but receives a "Destination Unreadable" messagE.Which protocol is responsible for that message?()
A.RARPB.RUDPC.ICMPD.SNMP
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关于WI_OP,以下说法正确的是()
A.设置适当的WI_OP可以缓解SDCCH拥塞B.WI_OP＝0即位置更新时若SDCCH拥塞，则立即发起第二次OP请求C.WI_OP＝255即位置更新时若SDCCH拥塞，则直接发送Imm_Ass_Rej消息D.WI_OP＝255即位置更新时若SDCCH拥塞，则等待255s后再次发起OP请求
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After creating a WebSphere Commerce instance， an administrator attempts to log on to the WebSphere Commerce Administration Console. The browser reports a "500 Internal Server Error". What could cause this to occur？（）A、The web server was not startedB、The Payments Engine was not startedC、The WebSphere Commerce Payments instance was not startedD、The WebSphere Commerce application server was not startedE、The Configuration Manager service was not started
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关于WI_OP，以下说法正确的是（）A、设置适当的WI_OP可以缓解SDCCH拥塞B、WI_OP＝0即位置更新时若SDCCH拥塞，则立即发起第二次OP请求C、WI_OP＝255即位置更新时若SDCCH拥塞，则直接发送Imm_Ass_Rej消息D、WI_OP＝255即位置更新时若SDCCH拥塞，则等待255s后再次发起OP请求
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The Company security administrator wants to prevent VLAN hopping on the network. What is one method that can be used to do this？ （）A、 Attacks are prevented by utilizing the port-security feature.B、 An end station attempts to gain access to all VLANs by transmitting Ethernet frames in the 802.1q encapsulation.C、 Configuring an interface with the switchport mode dynamic command will prevent VLAN hopping.D、 An end station attempts to redirect VLAN traffic by transmitting Ethernet frames in the 802.1q encapsulation.E、 Configuring an interface with the "switchport mode access" command will prevent VLAN hopping.
考题
An administrator attempts a traceroute but receives a "Destination Unreadable" message. Which protocol is responsible for that message?（）A、RARPB、RUDPC、ICMPD、SNMP
考题
An administrator attempts to install the latest security patches for an older server. When the administrator runs the patch installer， the install fails. The administrator tries again， and the installer fails again. Which of the following is the MOST likely reason for this？（）A、 The administrator improperly configured the virtual memory settings on the server.B、 The administrator is using incorrect patch switches for the install.C、 The administrator is trying to install security patches for software that is not installed.D、 The administrator is trying to install patches that require hard drive encryption on the server.
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An administrator adds a new SATA hard drive into a functional server and attempts to boot the server. The server will no longer boot into the operating system. The administrator checks all the connections and reboots the server. The server still will not load the operating system. Which of the following is the MOST probable cause？（）A、The BIOS is set with the wrong boot order.B、The jumpers have not been set on the hard drive.C、The hard drive is not compatible with the system board.D、The boot.ini file needs to be modified.
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A System p administrator is investigating a possible security breech and wants to review information about failed login attempts to the system. Which of the following commands will show this（）A、fwtmp /etc/security/failedloginB、cat /etc/security/failedloginC、whoD、alog -f /etc/security/failedlogin -o
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An administrator attempts to create a link of /etc/db_conf to the target directory /db/v9.7/install/config. The following n?command failed toAn administrator attempts to create a link of /etc/db_conf to the target directory /db/v9.7/install/config. The following ?n?command failed to create the link.ln/db/v9.7/install/config /etc/db_conf. Which option should be used when re-running the command to resolve the problem?（）A、-s flag to create a soft linkB、-n flag to force create a hard linkC、-N flag to force create a hard linkD、-S flag to force create a soft link
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关于自加运算符“++”，下列说法中正确的是（）A、 “OP++”和“++OP”虽然都有让OP的值加一的作用，但返回的值不同。B、 “OP++”和“++OP”的作用相同，都是让OP的值加一。C、 “OP++”的作用是先将OP自身的值加一，再返回自加以后的值。D、 “++OP”的作用是先返回OP的值，再将OP自身的值加一。
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You deploy a Microsoft Exchange mobile messaging solution that uses Microsoft Windows Mobile 5.0 with Microsoft Messaging and Security Feature Pack. The messaging infrastructure is configured to support the remote wipe feature. When an administrator attempts to perform a remote wipe of a Windows Mobilebased device， the administrator receives a 401 error message. You need to ensure that the administrator is authorized to perform remote wipes only. What should you do？（）A、Grant the administrator membership in the Domain Administrators group.B、Grant the administrator membership in the Exchange Administrators group.C、Add the new administrator account to the Discretionary Access Control List （DACL） of the Microsoft Exchange ActiveSync Administration folder.D、Select the Directory Security tab of the Exchange Server administration Web site， and then configure Read， Write， and Directory Browsing permissions.
考题
单选题After creating a WebSphere Commerce instance， an administrator attempts to log on to the WebSphere Commerce Administration Console. The browser reports a "500 Internal Server Error". What could cause this to occur？（）A
The web server was not startedB
The Payments Engine was not startedC
The WebSphere Commerce Payments instance was not startedD
The WebSphere Commerce application server was not startedE
The Configuration Manager service was not started
考题
单选题An administrator attempts to add a new 100GB logical volume to the datavg volume group， which resides on hdisk1. How can the administrator easily determine if there is enough space in datavg to create the logical volume（）A
lslg datavgB
lspv datavgC
lsvg datavgD
lslv hdisk1
考题
单选题An administrator attempts to create a link of /etc/db_conf to the target directory /db/v9.7/install/config. The following n?command failed toAn administrator attempts to create a link of /etc/db_conf to the target directory /db/v9.7/install/config. The following ?n?command failed to create the link.ln/db/v9.7/install/config /etc/db_conf. Which option should be used when re-running the command to resolve the problem?（）A
-s flag to create a soft linkB
-n flag to force create a hard linkC
-N flag to force create a hard linkD
-S flag to force create a soft link
考题
单选题An administrator attempts to install the latest security patches for an older server. When the administrator runs the patch installer, the install fails. The administrator tries again, and the installer fails again. Which of the following is the MOST likely reason for this?（）A
The administrator improperly configured the virtual memory settings on the server.B
The administrator is using incorrect patch switches for the install.C
The administrator is trying to install security patches for software that is not installed.D
The administrator is trying to install patches that require hard drive encryption on the server.
考题
单选题关于自加运算符“++”，下列说法中正确的是（）A
“OP++”和“++OP”虽然都有让OP的值加一的作用，但返回的值不同。B
“OP++”和“++OP”的作用相同，都是让OP的值加一。C
“OP++”的作用是先将OP自身的值加一，再返回自加以后的值。D
“++OP”的作用是先返回OP的值，再将OP自身的值加一。
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