NAT (Network Address Translation)
• Security
• Cost
Attack
• Man in the middle
3 forms
• Static- has to change each one.
• Dynamic
• Port PAT(Port Address Translation p.227)
CISCO
• Inside --- LAN
• Outside --- LAN
• Inside --- Local
• Outside --- Local
• Inside Global --- WAN IP address
• Outside Global --- WAN IP address
Saturday, May 1, 2010
Net+ Class Wednesday 3/24/10
Agenda Loading a small business server.
Standard Edition
up to 3 users
Less features
No
No
Small Business Edition
75 users
More features
Email
SQL
Installing Small Business Edition is similar in installing XP operating system on a computer.
Microsoft recommends two partitions.
F.Y.I.- workgroups = peer-to-peer.
Standard Edition
up to 3 users
Less features
No
No
Small Business Edition
75 users
More features
SQL
Installing Small Business Edition is similar in installing XP operating system on a computer.
Microsoft recommends two partitions.
F.Y.I.- workgroups = peer-to-peer.
Net+ Class Wednesday 3/17/10
Agenda Controlling another computer
• We use software that would allow on computer to take control of another computer action/mouse using VNC software.
• One would become host/master the other is configure to be the slave.
Note: when wiring switch to switch, use a crossover cable. Router to router is a straight thru cable
• We use software that would allow on computer to take control of another computer action/mouse using VNC software.
• One would become host/master the other is configure to be the slave.
Note: when wiring switch to switch, use a crossover cable. Router to router is a straight thru cable
Net+ Class Wednesday 3/10/10
Agenda Routing (Routers)
• IP’s can be public/private
• 3 kinds of connection
o Direct Connection
o Static
o Dynamic
• 2 types of Dynamic protocol
o Link State
o Distance Vector
RIP1
RIP2
BGP
What is the following:
• NAT
• PAT
• SNAT
Write a paper with the following requirement (APA).
• Title page
• Distance Vector
o RIP
o RIP2
o BGP
• Link State
o IEGRD
o OSPF
o ISIS
• Conclusion
• Reference page (4) textbook equal 1
• IP’s can be public/private
• 3 kinds of connection
o Direct Connection
o Static
o Dynamic
• 2 types of Dynamic protocol
o Link State
o Distance Vector
RIP1
RIP2
BGP
What is the following:
• NAT
• PAT
• SNAT
Write a paper with the following requirement (APA).
• Title page
• Distance Vector
o RIP
o RIP2
o BGP
• Link State
o IEGRD
o OSPF
o ISIS
• Conclusion
• Reference page (4) textbook equal 1
A+ Class Tuesday 4/12/10
Today’s Agenda Os utilities and Troubleshooting Issue
Defrag:
• What is the purpose
• Where is it found
• Difference from XP and Vista
Disk Management
Troubleshoot:
• Chkdsk command
MSconfig:
• Startup tab
• Disable
Note:
• Boot manager will replace any corrupted file
• Chkdsk try to repair any corrupt file (page 884)
• Do not add toolbars, take too long to load
Defrag:
• What is the purpose
• Where is it found
• Difference from XP and Vista
Disk Management
Troubleshoot:
• Chkdsk command
MSconfig:
• Startup tab
• Disable
Note:
• Boot manager will replace any corrupted file
• Chkdsk try to repair any corrupt file (page 884)
• Do not add toolbars, take too long to load
A+ Discussion Board Week Displays
Displays come in three types:
• Projectors
• CRT
• LCD
LCD:
• Resolution
o XGA
o SXGA+
o UXGA
o WUXGA
• Contract ratio
• Native resolution
Connector types:
• VGA
• HDMI
• S-Video
• Component/RGB
• DVI pin compatibility
Setting:
• Refresh rate
• Resolution
• Multi-monitor
• Degauss
• Projectors
• CRT
• LCD
LCD:
• Resolution
o XGA
o SXGA+
o UXGA
o WUXGA
• Contract ratio
• Native resolution
Connector types:
• VGA
• HDMI
• S-Video
• Component/RGB
• DVI pin compatibility
Setting:
• Refresh rate
• Resolution
• Multi-monitor
• Degauss
A+ Class Thursday 4/08/10
Today’s Agenda General Information on laptops and desktop
a. Laptop vs. Desktops.
SPEED slower faster
COST more less
1. Storage (old)
a. Floppy 5.25
b. Diskette 3.25
2. Input
• Keyboard
o Function keys
• Trackball
• Touchpad
• Point stick
• Touch screen
3. expansion slots
• PCMCIA
• Express Card
• Mini PCI & Mini PCIe
• USB ports
4. Docking Station
5. Notebook Batteries
• Nickel-Cadmium (NiCad)
• Nickel-Metal Hydride (NiMH)
• Lithium Ion (Li-Ion)
• Feul cell
a. Laptop vs. Desktops.
SPEED slower faster
COST more less
1. Storage (old)
a. Floppy 5.25
b. Diskette 3.25
2. Input
• Keyboard
o Function keys
• Trackball
• Touchpad
• Point stick
• Touch screen
3. expansion slots
• PCMCIA
• Express Card
• Mini PCI & Mini PCIe
• USB ports
4. Docking Station
5. Notebook Batteries
• Nickel-Cadmium (NiCad)
• Nickel-Metal Hydride (NiMH)
• Lithium Ion (Li-Ion)
• Feul cell
A+ Class Tuesday 4/06/10
A+ Class Tuesday 4/06/10
Today’s Agenda Netbook (Chapter 4, page 173).
• Netbook purpose; email, internet, word-processor
• Laptop vs. Desktops.
• portability
• cost
• performance
• expandability
• quality of construction
• Laptop case
display usually LCD
case frame
case
• Parts of Laptop
• Case
• Motherboard
• Processor
Streamline connection to the motherboard
Lower voltage and clock speed
Active sleep
• Memory
SODIMM
MicroDIMM – 172 pins DDR – 214 pin DDR
Today’s Agenda Netbook (Chapter 4, page 173).
• Netbook purpose; email, internet, word-processor
• Laptop vs. Desktops.
• portability
• cost
• performance
• expandability
• quality of construction
• Laptop case
display usually LCD
case frame
case
• Parts of Laptop
• Case
• Motherboard
• Processor
Streamline connection to the motherboard
Lower voltage and clock speed
Active sleep
• Memory
SODIMM
MicroDIMM – 172 pins DDR – 214 pin DDR
A+ Class Thursday 3/25/10
Today’s Agenda Laptops (Chapter 4, page 173).
1. Laptop vs. Desktops.
o cases
o motherboard
o processor
o memory
SODIMM
MicroDIMM
o Storage
Primary
Auxiliary
o Input Devices
Keyboard
Trackball
Touchpad
Point Stick
Touchscreen
o Expansion Buses and Ports
o Docking Station
o Power System
batteries
o fusing
2. Discuss printer sharing.
1. Laptop vs. Desktops.
o cases
o motherboard
o processor
o memory
SODIMM
MicroDIMM
o Storage
Primary
Auxiliary
o Input Devices
Keyboard
Trackball
Touchpad
Point Stick
Touchscreen
o Expansion Buses and Ports
o Docking Station
o Power System
batteries
o fusing
2. Discuss printer sharing.
A+ Class Tuesday 3/23/10
Today’s Agenda Review Laser Printers (page 217 – 227).
1. Electophotographic (EP) Print Process.
• The six steps.
o cleaning
o charging
o writing
o development
o transferring
o fusing
2. Discuss printer sharing.
1. Electophotographic (EP) Print Process.
• The six steps.
o cleaning
o charging
o writing
o development
o transferring
o fusing
2. Discuss printer sharing.
A+ Class Thursday 3/18/10
Today’s Agenda Laser Printers (Installing and Configuring Printers).
1. Install and configure printers.
• Differentiate between printer types.
o Laser
o Inkjet
o Thermal
o Impact
• Local vs. Network Printers
• Printer drivers (compatibility)
• Consumable.
1. Install and configure printers.
• Differentiate between printer types.
o Laser
o Inkjet
o Thermal
o Impact
• Local vs. Network Printers
• Printer drivers (compatibility)
• Consumable.
A+ Class Tuesday 3/16/10
A+ Class Thursday 3/11/10
Today’s Agenda.
Discuss cable distance table 10.2
IP address Class page 507
IEEE Standard page 498
Discuss cable distance table 10.2
IP address Class page 507
IEEE Standard page 498
A+ Class Tuesday 3/09/10
Agenda Chapter 10.
Today, we viewed the conceptual model of the various networks.
• WAN
• LAN
• STAR
RING
MESH
POINT-2-point
The different between operating system;
• XP home edition
• XP Professional
XP Home Ed. = peer-to-peer network
XP Professional = (NOS) Network operator system
Today, we viewed the conceptual model of the various networks.
• WAN
• LAN
• STAR
RING
MESH
POINT-2-point
The different between operating system;
• XP home edition
• XP Professional
XP Home Ed. = peer-to-peer network
XP Professional = (NOS) Network operator system
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