Chapter 3: Exam 70-270 Prep and Practice
Applications are also published in the Active Directory. A user can locate the
application and install it from the Add or Remove Programs utility in the
Control Panel.
Files And Settings Transfer Wizard
The Files And Settings Transfer Wizard is used to transfer user settings and
datafiles from an old computer to a new computer.
This utility is located in the Accessories folder under System Tools.
You must use one of the built-in serial ports such as the COM port for con-
necting the old computer and the new computer.
•Anull modem cable (serial cable) is used to connect two computers.
Other methods of transferring files and user settings include network file
shares and removable media.
User State Migration Tool
The User State Migration Tool is used in an Active Directory environment.
It is used to migrate user settings and data files from old computers to new
computers in large-scale deployments.
Two executable files associated with the User State Migration Tool are as
This file gathers information about user and data settings.
This file transfers the settings onto the new computer.
The User State Migration Tool works only with fresh installations of Win-
dows XP Professional.
Implementing, Managing, and Troubleshooting Network Protocols
and Services
This subsection covers the summary of highlights from the “Implementing,
Managing, and Troubleshooting Network Protocols and Services” section in the
Exam 70-270 Study Guide.
IP Addressing
The IP address is a unique 32-bit address used to identify a computer or host
on a network.
The IP address is written in four 8-bit decimal numbers, according to the w.x.
y.z notation.
A part of the IP address represents the network address and the remaining
part represents the host address.
All computers on the same network must have the same network address.
The subnet mask is used to distinguish the Network ID from the Host ID.
The IP addresses are divided into address classes as shown in Table 3-14.
Exam 70-270 Highlighters Index | 177
Prep and
This special address ( is reserved as a loopback address for trouble-
shooting purposes.
The IP addresses in the classes A, B, and C are public IP addresses and are
assigned to companies.
Private IP addresses
You can use private IP addresses if your computer is not directly connected to
the Internet.
Private IP addresses can also be used if your network is behind a firewall or
proxy server.
Table 3-15 lists IP addresses reserved for private use.
Automatic Private IP Addressing (APIPA)
By default, a Windows XP Professional computer is configured to obtain
TCP/IP configuration automatically from a DHCP server.
If the DHCP server is not available, the APIPA feature automatically config-
ures the TCP/IP properties of a computer.
The APIPA uses the IP address in the range of to
with a subnet mask of
Computers configured with APIPA continue to look for a DHCP server auto-
matically every five minutes.
Local Area Connection
All network connections in the Windows XP Professional appear in the Net-
work Connections window.
The Local Area Connection represents the network adapter installed on the
Table 3-14. IP address classes
Class Range of first byte
Number of
Hosts per network
Default subnet
A 1–126 126 16,777,214
B 128–191 16,384 65,534
C 192–223 2,097,150 254
D 224–239 N/A N/A N/A
E 240–255 N/A N/A N/A
Table 3-15. Private IP address ranges
Class Start address End address Subnet mask
C 192.255.255

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