Configure, troubleshoot and repair networking

Questions derived from the 70-623 – PRO: Microsoft Desktop Support – CONSUMER Microsoft Self-Test Software Practice Test.


Objective: Configure, troubleshoot and repair networking
SubObjective: Configure and troubleshoot network services at the client


Item Number: 70-623.4.2.2
Single Answer, Multiple Choice


You are the desktop support technician for your company. You install Windows Vista on all client computers on the network. A user reports that he is unable to access the Windows Update Web site. You investigate and discover some invalid entries in the Hosts file.


You open the Hosts file and remove all entries in the file. When you attempt to save changes in the Hosts file, you receive an error message as shown in the following image:



What should you do to ensure that you are able to edit the Hosts file?



  1. Open Notepad by selecting the Run as administrator option, open the Hosts file, make necessary changes and save the file.
  2. Right-click the Hosts file and select the Run as administrator option, make necessary changes and save the file.
  3. Open the Hosts file, make necessary changes and select the Save As option in the File menu.
  4. Open Notepad, open the Hosts file, make necessary changes and save the file.

Answer:
A. Open Notepad by selecting the Run as administrator option, open the Hosts file, make necessary changes and save the file.


Tutorial:
You should open Notepad by selecting the Run as administrator option, open the Hosts file, make necessary changes and save the file. The Hosts file is used to resolve host names to Internet protocol (IP) addresses such as a local domain name system (DNS) server does. This file is also referred to as a host table. Invalid entries for certain Web sites in the Hosts file can prevent a user from accessing those Web sites. To allow the user to access those Web sites, you should remove invalid entries from the Hosts file. In Windows Vista, when you attempt to save the Hosts file or Lmhosts file after modifying it, you receive an error message similar to either of the following:


Cannot create the C:WindowsSystem32driversetchosts file.


Make sure that the path and file name are correct.


To ensure you are able to modify the Hosts file without receiving an error message, you should open Notepad by selecting the Run as administrator option, open the Hosts file, make necessary changes and save the file.


You should not right-click the Hosts file and select the Run as administrator option, make necessary changes and save the file because the Run as administrator option is not available for the Hosts file.


You should not open the Hosts file, make necessary changes and select the Save As option in the File menu because this method also displays the same error message that is received when you attempt to save the Hosts file after modifying it.


You should not open Notepad, open the Hosts file, and necessary changes and save the file because this method also displays the same error message that is received when you attempt to save the Hosts file after modifying it.


Reference:
Microsoft Help and Support > You cannot modify the Hosts file or the Lmhosts file in Windows Vista

Microsoft TechNet > Resource Kit > Appendix F – HOSTS and LMHOSTS Files for Windows 98

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