Summary
This section discusses the basics of troubleshooting workstation security issues. Details include:
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Preventative measures:
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Implement malware prevention.
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Implement browser security.
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Enable automatic updates for workstation operating systems.
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Stay current by subscribing to security alerts offered by most security software vendors.
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Educate users about current security threats and how to respond to them.
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Security threats:
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Hijacked email
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Redirection to rogue web sites
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Pharming
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Rogue anti-virus
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Cookies
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Symptoms of malware
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Best practices to remove malware
Students will learn how to:
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Employ preventative measures to reduce security incidents.
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Identify security issues with email hijacking, pharming, cookies, pop-up windows, and malware.
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Recognize rogue anti-virus exploits.
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Identify the symptoms of a malware infection.
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Use the correct procedure for removing malware from a computer system.
A+ 220-802 Exam Objectives: -
4.7 Given a scenario, troubleshoot common security issues with appropriate tools and best practices.
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Common symptoms
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Pop-ups
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Browser redirection
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Security alerts
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Slow performance
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Internet connectivity issues
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PC locks up
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Windows updates failures
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Rogue antivirus
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Spam
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Renamed system files
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Files disappearing
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File permission changes
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Hijacked email
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Access denied
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Tools
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Anti-virus software
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Anti-malware software
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Anti-spyware software
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Recovery console
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System restore
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Pre-installation environments
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Event viewer
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Best practices for malware removal
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Identify malware symptoms
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Quarantine infected system
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Disable system restore
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Remediate infected systems
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Update anti-virus software
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Scan and removal techniques (safe mode, pre-installation environment)
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Schedule scans and updates
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Enable system restore and create restore point
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Educate end user
Lecture Focus Questions:
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What key preventative measures can you employ to increase the overall security of your computers and network?
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A user reports that someone on the Internet is using her Gmail account to send spam. How did this happen?
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A malicious individual has set up a fake web site that looks identical to the web site of a major bank. Users trying to connect to the legitimate site are redirected to the malicious site. How did this happen?
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A user reports that a pop-up window is displayed on his computer indicating he has a virus. What should you tell him to do?
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What are the symptoms of a malware infection?
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What is the proper procedure for removing malware from a system?
Video/Demo Time
 13.8.1 Common Security Issues 15:36
Number of Exam Questions
5 questions
Total Time
About 25 minutes
Section 13.9: Notebook Troubleshooting Summary
In this section students will learn about troubleshooting notebook components. Details include:
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Troubleshooting guidelines for components of laptop computers:
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Power
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Video
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Notebook components
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Keyboard
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Mouse
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Digitizer
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Antennae
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Switch to turn on and off the wireless network card
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Considerations when maintaining portable devices
Students will learn how to:
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Locate service manuals for notebook systems.
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Perform preventative maintenance on notebook systems.
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Troubleshoot power issues on notebook systems.
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Troubleshoot video issues.
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Troubleshoot malfunctioning notebook components.
A+ 220-802 Exam Objectives: -
4.8 Given a scenario, troubleshoot, and repair common laptop issues while adhering to the appropriate procedures.
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Common symptoms
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No display
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Dim display
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Flickering display
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Sticking keys
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Intermittent wireless
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Battery not charging
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Ghost cursor
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No power
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Num lock indicator lights
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No wireless connectivity
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No Bluetooth connectivity
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Cannot display to external monitor
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Disassembling processes for proper re-assembly
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Document and label cable and screw locations
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Organize parts
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Refer to manufacturer documentation
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Use appropriate hand tools
Lecture Focus Questions:
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You need to replace the RAM in a notebook system. You can't find the memory slots in the system. What should you do?
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You need to clean the LCD display screen on a notebook system. What should you do?
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A warning message is displayed on a notebook system indicating the processor temperature is dangerously high. What should you do?
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A notebook display is blank. What could be causing this?
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While running on batteries, the power level of your notebook battery drops quickly. What can you do?
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The keyboard on a notebook doesn't appear to be working. How can you test it?
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A user complains that her notebook has lost connection to your organization's wireless network and can't reconnect. What could be wrong?
Video/Demo Time
13.9.1 Common Notebook Issues 17:45
13.9.2 Troubleshooting Power 8:12
13.9.3 Troubleshooting Video 12:10
13.9.4 Troubleshooting Components 10:32
Total 48:39
Number of Exam Questions
17 questions
Total Time
About 70 minutes
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