1. Course ILT Routine maintenance Unit objectives Discuss the necessity of applying software patches and fixes Discuss viruses and anti-virus strategy

2. Course ILT Topic A Topic A: Keeping NOS software up to date Topic B: Virus protection

3. Course ILT Support packs and service packs Guidelines: –Make a backup of your system before using the service pack –Upgrade your system only when the service pack’s updates apply –Make sure you have the service pack that applies to your hardware, especially if a vendor-specific version is needed

4. Course ILT Hot fixes and patches Released to fix one specific problem Designed to take care of a specific problem on a specific application Included in a support pack or service pack release

5. Course ILT Updating a device driver 1.Launch the Device Manager 2.Right-click the device and select Properties 3.Select the Driver tab 4.Click Update Driver 5.Specify whether you want to update the driver automatically or from a list or specific location 6.Click Next and then follow the prompts to install the new driver. If a newer driver is not found, the wizard informs you that you already have the most updated driver

6. Course ILT Application updates Fixed by patches Visit the manufacturers’ Web sites regularly to check for product updates and fixes Common application Web sites include: –www.novell.com –www.microsoft.com –www.adobe.com –www.symantec.com –www.lotus.com

7. Course ILT Activity A-1 Discussing software patches and updates

8. Course ILT Routine maintenance Topic A: Keeping NOS software up to date Topic B: Virus protection

9. Course ILT Virus protection Computer viruses –Can spread easily across a network –Might infect every node on the network

10. Course ILT Viruses Software programs that have the ability to reproduce by modifying other programs or duplicating themselves Types of viruses: –Program –Boot –Multipartite –Specialized

11. Course ILT Specialized viruses Use the macro language of the specific application to spread Also known as macro viruses Include: –Word macro viruses –Excel macro viruses –CMOS virus

12. Course ILT Activity B-1 Discussing viruses

13. Course ILT Virus protection Involves the following measures: –Avoiding infection –Keeping viruses from spreading

14. Course ILT Anti-virus programs Programs that can be run periodically to check for viral infection Include: –Symantec’s Norton Anti-Virus –Network Associates’ McAfee Anti-Virus –Computer Associates’ eTrust

15. Course ILT Virus recovery Has to be tailored according to the virus type: –Boot sector –Executable files –FAT or directory tables

16. Course ILT Anti-virus software on the network An important element of a comprehensive security program Includes a variety of safety measures such as: –Regular backup schedules –Meaningful password protection –Training –Awareness

17. Course ILT E-mail protection E-mail protection program: –Included in most anti-virus software suites –Integrates itself with the e-mail system on the network by scanning incoming mail and attachments –Stops viruses before they enter your network

18. Course ILT Updating virus signatures Accomplished by configuring the anti- virus software to retrieve and install the updates from the manufacturer’s Web site automatically Can also be done manually by logging in to the Web site and downloading the latest updates to the anti-virus package you’re using

19. Course ILT Activity B-2 Discussing virus protection

20. Course ILT Unit summary Discussed the necessity of applying support packs and service packs Discussed viruses and anti-virus strategies