MidTerm ReviewMidTerm Review

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Things to KnowThings to Know

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

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

Things to KnowThings to Know

• Be able to identify common indicator lights by symbol• Battery• HD Activity• Wireless• Bluetooth

• Be able to identify common indicator lights by symbol• Battery• HD Activity• Wireless• Bluetooth

Things to KnowThings 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”

• 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”

Things to KnowThings to Know

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

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

Things to KnowThings to Know

• What you can do to increase the strength of passwords

• What you can do to increase the strength of passwords

Things to KnowThings 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.

• What is a Characteristic of a DDoS Attack?• There are many computers

involved in a coordinated attack.• The slave computers are called

Zombies.

What is Spoofing?What is Spoofing?

• Sending data that appears to come from a different source other than where it actually originates.

• Sending data that appears to come from a different source other than where it actually originates.

Things to KnowThings to Know

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

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

Things to KnowThings 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

• 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

Things to KnowThings 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

• 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

Things to KnowThings to Know

• In Windows XP where can you set the shutdown, hibernate and standby modes?• Power Options

• In Windows XP where can you set the shutdown, hibernate and standby modes?• Power Options

Things to KnowThings to Know

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

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

Things to KnowThings to Know

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

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

Things to KnowThings to Know

• Laptops use special processors for what reason?• Laptop processors use less power.

• Laptops use special processors for what reason?• Laptop processors use less power.

What Should Be Used to Clean Electrical

Contacts?

What Should Be Used to Clean Electrical

Contacts?• Isopropyl Alcohol• Isopropyl Alcohol

What You Need to KnowWhat You Need to Know

• What kind of adapter is used to connect multiple hard disks for redundancy?• RAID

• What kind of adapter is used to connect multiple hard disks for redundancy?• RAID

PartitioningPartitioning

• The bootable partition is called the Primary Partition.

• Any additional logical drives are installed on an extended partition.

• Partitioning is set up using fdisk.

• The bootable partition is called the Primary Partition.

• Any additional logical drives are installed on an extended partition.

• Partitioning is set up using fdisk.

File SystemsFile Systems

• NTFS is more secure than FAT.• NTFS is more secure than FAT.

Things to KnowThings 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.

• 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.

ConnectorsConnectors

• 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

• 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

PostingPosting

• 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.

• 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.

Stuff to knowStuff to know

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

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

Stuff to KnowStuff to Know

• What class of IP addresses is used to send broadcasts?• D

• What class of IP addresses is used to send broadcasts?• D

Stuff to KnowStuff to Know

• What protocol adds security to remote connections.• SSH!

• What protocol adds security to remote connections.• SSH!

Startup FailureStartup 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.

• 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.

Floppy DrivesFloppy Drives

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

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

That’s all folks!That’s all folks!

• Good luck • Good luck