MCDST 70-271: Supporting Users and Troubleshooting a Microsoft Windows XP Operating System

MCDST 70-271: Supporting Users and Troubleshooting a Microsoft Windows XP Operating System

Chapter 15: Internet Explorer and Remote Connectivity Tools

Guide to MCDST 70-271 2

Objectives

• Troubleshoot Internet Explorer• Troubleshoot certificates• Understand the Remote tools of Windows XP


Configure and Troubleshoot Internet Explorer

• Internet Explorer – The native Web browser of Windows operating

systems– Tightly integrated with other Windows applications– Can call up Word to open .doc files or Excel to

open .xls files across the Web– Can be used as an FTP client


Configure and Troubleshoot Internet Explorer (continued)


Internet Options Applet

• Used to define settings for Internet Explorer and general Internet access

• Cookies – Text scripts that a Web browser sends to a server

to customize a user’s browsing experience


Internet Options Applet (continued)



• General tab– Home page section defines the home page– Temporary Internet files section manages storage

of cached materials pulled from Web sites– Cache is simply a store of frequently used data


Security Tab

• Used to manage security zones• Security zone for Internet Explorer

– Used to define the levels of security imposed on different types of Web sites

– An area of cyberspace with a predefined level of security restrictions


Security Tab (continued)

• Internet zone – Contains all sites on Internet or local intranet that

have not been placed in the three other zones• Local intranet zone

– Contains those sites within your local intranet• Trusted sites and Restricted sites zones

– Include only those sites that you specifically add to these zones



• Security restrictions– Low: Provides minimal safeguards and warning

prompts– Medium-low: Most content will be run without

prompts– Medium: Prompts before downloading potentially

unsafe content– High: Less-secure features are disabled


Privacy Tab

• Used to set controls over cookies for the Internet zone

• Setting slider offers six predefined levels of cookie security


Privacy Tab (continued)


Content Tab

• Used to manage certificates, content, and personal information

• Content Advisor used to control site access based on RSACi content ratings


Content Tab (continued)


Connections Tab

• Used to manage the methods by which Internet Explorer accesses the Internet or the LAN– Add button opens the wizard from the Network

Connections tool– Remove button deletes the connection object from

the system– Settings button used to alter the settings of the

selected connection object


Connections Tab (continued)


Programs Tab

• Specifies which programs Windows will use automatically when content of a specific type is encountered while using Internet Explorer

• Allows you to configure these six services:– HTML editor – E-mail– Newsgroups – Internet call– Calendar – Contact list


Programs Tab (continued)


Advanced Tab

• Used to set a wide range of capabilities and features of IE

• Defaults usually sufficient for most environments


Troubleshooting Internet Explorer

• Verify that the problem is actually Internet Explorer and not a network communication issue

• Check to see if the problem lies with the client or with the remote system’s information services

• If problem lies with a specific client’s Internet Explorer, determine if system has been altered from the default or standardized configuration


Troubleshooting Certificates

• Certificates – Provide proof of identity for network and Internet

communications– Digitally signed statement used for authentication

and to aid secured communications– Product of a cryptographic mechanism known as

public key infrastructure (PKI)


Troubleshooting Certificates (continued)

• Certificate Authority (CA)– Responsible for creating, issuing, managing, and

revoking certificates– Can be a server computer system within your

organization’s network or – A service offered by an independent third-party

organization– Example: VeriSign



• Certificate Authority (CA) (continued)– Responsible for investigating identity of

individuals and organizations assigned certificate– Can revoke a certificate at any time

• For a certificate solution to function, you must have trust relationship with issuing CA of certificates you are likely to receive


Windows XP Remote Tools

• Remote Assistance – Allows distant user to view your desktop and have

control over mouse and keyboard activities• Remote Desktop

– Enables you to access your client’s logon environment from a remote system


Windows XP Remote Tools (continued)


Remote Assistance

• Designed to simplify the task of training users or walking users through tasks

• Supports real-time, two-way chat between end user and the remote assistant


Remote Assistance (continued)


Remote Desktop

• Developed so that workers can access their work desktops from their home systems

• Can be used to: – Take control over another system on the same

local area network or – Reach across the Internet to take control of a

distant system• Must be enabled through the System applet


Remote Desktop (continued)

• Can be used across a LAN or over the Internet• Will not function across the Internet if target

client is:– Behind a NAT (or PAT) system or– Using the private IP addresses from RFC 1918



• General tab– Used to define the NetBIOS name or IP address of

the target system • Display tab

– Used to configure the graphical display of the resultant connection window

• Local Resources tab– Used to configure whether sounds from the target

system are played through your local client



• Programs tab– Configures programs to launch automatically upon

connection via Remote Desktop• Experience tab

– Used to optimize performance of Remote Desktop when connecting over slower bandwidth links


Summary

• Internet Explorer – Native Web browser of Windows XP

• Troubleshooting IE involves – Verifying network connectivity– Verifying compliance with organization

configuration standards– Reversing any end user changes


Summary (continued)

• IE – Uses certificates to prove identity

• Remote Assistance– Can be used to interact with a remote user and

their computer • Remote Desktop

– Gives user ability to remotely operate a system

MCDST 70-271: Supporting Users and Troubleshooting a Microsoft Windows XP Operating System

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