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MidTerm Review

MidTerm Review. ITE 1. Things to Know. Be able to identify common computer ports by sight RJ-45 USB Firewire PS2. Things to Know. Be able to identify common indicator lights by symbol Battery HD Activity Wireless Bluetooth. Things to Know.

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MidTerm Review

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  1. MidTerm Review ITE 1

  2. Things to Know • Be able to identify common computer ports by sight • RJ-45 • USB • Firewire • PS2

  3. Things to Know • Be able to identify common indicator lights by symbol • Battery • HD Activity • Wireless • Bluetooth

  4. Things to Know • What power-management control is used to extend laptop battery life? • ACPI • Where can you find setting to control the amount of time before a laptop goes into hibernate mode? • Under “Power Options>Power Schemes”

  5. Things to Know • With Laptops it’s important to keep the vent holes clear to avoid overheating. (Duh!)

  6. Things to Know • What you can do to increase the strength of passwords

  7. Things to Know • What is a Characteristic of a DDoS Attack? • There are many computers involved in a coordinated attack. • The slave computers are called Zombies.

  8. What is Spoofing? • Sending data that appears to come from a different source other than where it actually originates.

  9. Things to Know • What interfaces can be “Hot Plugged” on both laptop and desktop machines.

  10. Things to Know • If you change a setting in Windows, but it has no effect, even after restart, where should you check next to see if you need to change a setting? • The machine BIOS

  11. Things to Know • If you need to change a component that is NOT hot-swappable in a laptop what two things should you do? • Unplug the power • Remove the battery

  12. Things to Know • In Windows XP where can you set the shutdown, hibernate and standby modes? • Power Options

  13. Things to Know • Know the steps, in order, to safely remove a hot-swappable device such as a USB drive in Windows.

  14. Things to Know • When trouble-shooting hardware remove as many devices as possible to try to isolate conflicts.

  15. Things to Know • Laptops use special processors for what reason? • Laptop processors use less power.

  16. What Should Be Used to Clean Electrical Contacts? • Isopropyl Alcohol

  17. What You Need to Know • What kind of adapter is used to connect multiple hard disks for redundancy? • RAID

  18. Partitioning • The bootable partition is called the Primary Partition. • Any additional logical drives are installed on an extended partition. • Partitioning is set up using fdisk.

  19. File Systems • NTFS is more secure than FAT.

  20. Things to Know • What type of Scanner provides the highest-quality images? • A Drum Scanner • How much do they cost? • If you have to ask you probably can’t afford one.

  21. Connectors • Molex connectors are used to for Hard Drive and DVD/CD power. • What cable standard uses 9 pins and can support speeds in excess of 800 mbps? • IEEE 1394b

  22. Posting • When a computer completes testing all adapter cards that have a BIOS what is the next step? • Reading the Master Boot Record and starting to load the OS.

  23. Stuff to know • In the event of a catastrophic failure what Windows XP utility tries to recover the operating system? • Automated system recovery.

  24. Stuff to Know • What class of IP addresses is used to send broadcasts? • D

  25. Stuff to Know • What protocol adds security to remote connections. • SSH!

  26. Startup Failure • How does the BIOS let you know where to look for a hardware failure? • A series of beeps. The number of beeps tell you where to look.

  27. Floppy Drives • A constant “on” of a newly installed floppy drive indicates what problem? • The data cable is installed wrong.

  28. That’s all folks! • Good luck

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