Please Do Not Throw Sausage Pizza Away!
Please - Physical
Do - Data-Link
Not - Network
Throw - Transport
Sausage - Session
Pizza - Presentation
Away - Application
The first part of the chapter was review of the OSI model. It is a topic that is important to understand. Here's a video explaining the 7 layers.
The OSI MODEL Demystified
Network and Sharing Center has four main elements in the
window.
·
Task list (left pane) - manage network adapter
settings and configure sharing parameters.
·
Summary network map (top right) - graphical representation
of computers and networks near the workstation
·
View you active networks (middle right) - name
of network and location - can also connect/disconnect to network in this area
·
Change your networking settings (bottom right) -
switches that allow you to control sharing and discovery of network
o
Modifying network discovery control two
functions:
1.
Whether the computer can see or be seen
2.
If computer can share resources
o
If your computer fails to detect a network
change, you go to the Network and Sharing Center and select a network location
The following settings are available:
·
Network discovery
·
File and printer sharing
·
Public folder sharing
·
Media streaming
·
File sharing connections
·
Password-protected sharing
·
Home group connections
Disabling a network connection does not affect configuration
settings. The connection is only turned off, until you reconnect.
When Windows 7 is part of a domain, network mapping is
disabled by default. Options for network discovery in domain are:
·
Turn on Mapper I/O (LLTDIO) - enables computer
to map other systems on network
·
Turn on Responder (RSPNDR) driver - enables computer
to be mapped by other systems on network
Some command TCP/IP tools discussed in the chapter included
using:
·
Ipconfig.exe - page 175-176
·
Ping.exe - page 176-177
·
Tracert.exe - page 177-178
·
Nslookup.exe - page 179
·
Netstat.exe - page 179-180
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