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The technician has suspicions that a browser has been hijack

题目
单选题
The technician has suspicions that a browser has been hijacked. Which of the following should the technician look for in this situation?（）
A

A new default gateway has been setup.

B

A new Internet shortcut has been added.

C

A new web browser has been installed and is now the default.

D

A proxy server has been enabled.

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相似问题和答案

第1题：

The boy()to school already.

A、has taken

B、has been taking

C、is taken

D、has been taken


参考答案：C

第2题：

Racial discrimination has still___________ in some parts of the U.S.A. since itafter the Civil War.

A.been existed; has been done away
B.existed; has been done away with
C.been existed; has been done away with
D.existed; was done away with

答案：D
解析：
第一个空，exist“存在”，不能用被动语态，排除A，C；第二个空，时间状语afterthe CivilWar与一般过去时连用，又是被动语态，排除B，只能选D。句子意思：虽然自从美国内战之后被取缔，但是种族歧视至今还在美国一些地方存在着。

第3题：

Helen loves to talk about travel. She _____ many places.

A. has gone to B. has been to C. has gone for D. has been from


正确答案：B

第4题：

A virus has been removed from the user’s machine, but the user still cannot access the Internet.Which of the following should the technician check NEXT?（）

  • A、Disable port forwarding on the router.
  • B、Reboot to Safe Mode and see if the Internet is accessible.
  • C、Format the machine and reinstall the OS.
  • D、Check the web browser’s proxy settings.

正确答案:D

第5题：

A user is trying to use Remote Desktop to connect to another computer on the LAN. Theconnection fails. The technician opens up a command prompt and types the following: “telnetcomputernamE. 3389” and also gets the same error message. Which of the following is the MOSTlikely cause of this error, assuming that the OS firewall has been disabled?（）

  • A、The antivirus software is blocking the incoming connection.
  • B、The ISP is blocking Remote Desktop at their end.
  • C、The RDP connection has been configured to use a non-standard port.
  • D、The telnet service has not been installed.

正确答案:C

第6题：

That man ( ) at the bus stop for the last half hour.－－－ Shall I tell him that the last bus ( )

A.has stood … has already gone

B.has been standing… has already been

C.is standing… has already gone

D.has been standing…has already gone


答案：C

第7题：

A technician is able to connect to the Internet but cannot connect to a remote machine through Remote Desktop in Windows XP. Each time the technician attempts to connect to a remote location, the software times out. Which of the following is the MOST likely problem?（）

  • A、The Java applet is disabled in the web browser.
  • B、Deny all has not been configured in the firewall.
  • C、Wireless network drivers are corrupt.
  • D、Port forwarding settings are not correct

正确答案:D

第8题：

When data() , it has to be analyzed to decide what it all means.

A.had been collected

B.has collected

C.has been collected


参考答案：C

第9题：

The technician has suspicions that a browser has been hijacked. Which of the following should the technician look for in this situation?（）

  • A、A new default gateway has been setup.
  • B、A new Internet shortcut has been added.
  • C、A new web browser has been installed and is now the default.
  • D、A proxy server has been enabled.

正确答案:D

第10题：

Under which of the following circumstances would a technician use IPCONFIG /RENEW?（）

  • A、After an unsuccessful reboot
  • B、If a user’s IP address has been spoofed
  • C、After using IPCONFIG /RELEASE
  • D、If the computer has an ARP address conflict

正确答案:C

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