A+ Maintain and troubleshoot network connections

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In this session, you will learn to:
Objectives
Create network connections.
Install and configure web browsers.
Maintain and troubleshoot network connections.
Identify components that are specialized for laptops and
portable computing devices.
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Before creating network connection, you need to understand
Create Network Connections
the following:
IP address configuration methods
Name resolution with the Domain Name System (DNS)
WINS
Workgroups
Directory services
Active directory domains
Novell eDirectory
Network client options
Ver. 1.0 Session 11 Slide 2 of 44
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Configuration Methods for assigning addresses to IP hosts are:
IP Address Methods
Manual configuration
Automatic configuration with DHCP
Automatic configuration with APIPA
Ver. 1.0 Session 11 Slide 3 of 44
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IP Address Configuration Methods (Contd..)
169 254 16 21
192.168.100.1 192.168.100.2
169 254 46 128
Manual
169.254.46.128 169.254.16.21
DHCP server
Ver. 1.0 Session 11 Slide 4 of 44
169.254.3.22
DHCP
APIPA
No DHCP server
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with the Domain Name System (DNS)
The Domain Name System (DNS) is the primary name
Name Resolution resolution service:
On the Internet
On the private IP networks
Ver. 1.0 Session 11 Slide 5 of 44
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Name Resolution with the Domain Name System (DNS) (Contd..)
“.” Root
.gov .com .edu .org
everythingforcoffee ourglobalcompany citizensinfo
Ver. 1.0 Session 11 Slide 6 of 44
Host name = training.ourglobalcompany.com DNS client
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The Windows Internet Name Service (WINS):
WINS
Microsoft’s NetBIOS name resolution service
Reduce the number of NetBIOS name resolution
WINSClient02 WINSClient01
WINS database
239.175.75.11
WINSClient01 239.175.75.10
WINSClient02
WINSClient03 239.175.75.12
Ver. 1.0 Session 11 Slide 7 of 44
WINSClient03 WINS
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Workgroups
A workgroup is a Microsoft peer-to-peer network model.
User accounts
User accounts
User accounts
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A directory service is a centralized database that includes
Directory Services
objects:
Servers
Clients
A th ti ti Computers
User names
Passwords
Centralized
administration
Authentication
Ver. 1.0 Session 11 Slide 9 of 44
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Domains
The active directory domain:
Active Directory A Microsoft client/server network model
Domain controller
Active Directory
Domain member
Ver. 1.0 Session 11 Slide 10 of 44
Domain
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Novell eDirectory is Novell’s standards-based, enterprise-
Novell eDirectory
level directory service.
Hierarchical tree database
Ver. 1.0 Session 11 Slide 11 of 44
Novell eDirectory directory service NetWare server
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Network client options:
Network Client Options
Microsoft Client for Microsoft Networks
Microsoft Client Service for NetWare
Novell Client from Novell
Properties of Microsoft Client Service for NetWare:
Add Form Feed
Default Tree And context
Notify When Printed
Preferred Server
Print Banner
Run Login Script
Ver. 1.0 Session 11 Slide 12 of 44
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Activity 11-1
Activity on Configuring
TCP/IP Manually
Ver. 1.0 Session 11 Slide 13 of 44
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Activity 11-2
Activity on Configuring
TCP/IP Automatically
Ver. 1.0 Session 11 Slide 14 of 44
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Activity 11-3
Activity on Installing the
NetWare Client
Ver. 1.0 Session 11 Slide 15 of 44
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Activity 11-4
Activity on Removing the
NetWare Client
Ver. 1.0 Session 11 Slide 16 of 44
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and Before installing and configuring Web Browsers, you need
Install Configure Web Browsers
to understand following:
Web Browsers
Web Browser Settings
Ver. 1.0 Session 11 Slide 17 of 44
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The Web Browser:
Web Browsers
A software application
Helps locate and display web pages
Ver. 1.0 Session 11 Slide 18 of 44
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Web Browsers (Contd..)
Browser functionality
Interactive forms
y
and navigation
controls
Graphics
Ver. 1.0 Session 11 Slide 19 of 44
Text
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Settings
Web Browser settings:
Web Browser Homepage
History
Colors
Fonts
Languages
Accessibility
Security
Privacy
Advanced Settings
Ver. 1.0 Session 11 Slide 20 of 44
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Activity 11-5
Activity on Configuring a
Web Browser on a
Windows XP
Computer
Ver. 1.0 Session 11 Slide 21 of 44
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Maintain and Troubleshoot Network Connections
Before maintaining and troubleshooting network
ti d t d t d f ll i
connections, you need to understand following:
Preventative Maintenance Techniques
Networking Tools and Utilities
Cable Testers
Common Network Issues
Ver. 1.0 Session 11 Slide 22 of 44
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Maintenance Techniques
Preventative maintenance techniques:
Preventative Disk redundancies
UPS deployment
Backup and restore
Ver. 1.0 Session 11 Slide 23 of 44
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Networking tools and utilities:
Networking Tools and Utilities
ipconfig
ping
nslookup
tracert
Local Area Connection Status
Network Troubleshooters
Ver. 1.0 Session 11 Slide 24 of 44
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Cable Testers
A cable tester or a media tester:
An electrical instrument
Helps verify if a signal is present on a network cable
Ports for network cable
Displays media status
Ver. 1.0 Session 11 Slide 25 of 44
Adapters for different network
types
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Common network issues:
Common Network Issues
No connectivity or connection lost
Slow communications
Local connection but no Internet connection
Resource access problems
Connect by IP address not name
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Portable Computing Following are the laptop and portable computing device
t
Laptop and Device Components
components:
Laptop Computers
Portable Computing Devices
Mobile System Boards
Mobile Processors
Mobile Hard Drive Form Factors
Mobile Memory Form Factors
Mobile Adapter Card Form Factors and Expansion Slots
Mobile Device Ports
Mobile Device Peripheral Components
Power Supplies and Batteries
Mobile Input Devices
Ver. 1.0 Session 11 Slide 27 of 44
Video Sharing
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A laptop computer:
Laptop Computers
Complete computer system
Small
Portable
Lightweight
Hardware components of laptop:
CPUs
Hard drives
Battery packs
Memory
Monitor
Key pad
Touch pad
Ver. 1.0 Session 11 Slide 28 of 44
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Laptop Computers (Contd..)
Latches
Display
Power button
Touch pad buttons (2)
Touch pad
Keyboard
USB port
Security cable slot Power connection jack
Parallel port
Docking port
Modem jack PC Card slots PS/2 port
Ver. 1.0 Session 11 Slide 29 of 44
Serial port Video out Audio ports
Video out jack for TV
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Portable Computing A device:
Devices
With computing capability
Portable
Movable
Various types are:
PDA
Tablet PC
Notebook
Sub-notebook
Ver. 1.0 Session 11 Slide 30 of 44
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Portable Computing Devices (Contd..)
case protect Stylus for entering data
into the PDA
Leather to PDA
screen
PDA running the Palm OS
Recharger and connection
to computer for replication
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Mobile System Boards
The mobile system board is the portable computing device
component that acts as the backbone for the entire system.
Smaller than PC system boards
Reduced power consumption
Power management and CPU throttling
Integrated components
Video
Sound
Network interface
USB/FireWire connections
Wireless interface
Ver. 1.0 Session 11 Slide 32 of 44
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Mobile Processors
The Mobile CPU, sometimes called mobile processor or just
processor.
Intel
Mobile Pentium MMX
Mobile Celeron
Mobile Pentium
AMD
Mobile AMD Athlon
Mobile AMD Sempron
Mobile AMD Turion
Ver. 1.0 Session 11 Slide 33 of 44
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Mobile Hard Drive Form Factors
A mobile hard drive a system component, stores and
saves data for reuse.
Can be unique to manufacturer and model
2.5-inch platters
Some run at slower speeds than standard PC hard drives
Can be difficult to access physically
Flash memory as alternative for more compact devices
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Mobile Memory Form Factors
The mobile memory is the mobile device component that
comprises the electronic storage areas.
Laptop memory packages:
SODIMM
MicroDIMM
Memory Ver. 1.0 Session 11 Slide 35 of 44
Custom memory for a portable system
for Compaq Armada
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Mobile Adapter Card Form Factors and Expansion Slots
A mobile adapter card circuit board helps expand the
functionality of the mobile computer device.
I: Memory
II: Adapters
III: Miniature hard drives
Common uses for cards:
Modem
Network adapter (NIC)
Wireless network adapter
SCSI adapter
USB
IEEE 1394/FireWire
Bus types used by PC cards:
Ver. 1.0 Session 11 Slide 36 of 44
CardBus and Zoomed Video (ZV)
eXecute In Place (XIP)
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Mobile Adapter Card Form Factors and Expansion Slots (Contd..)
Uses CardBus;
is 54 mm wide by 85.6 mm long
Is inserted into a laptop PC
Card slot
Ver. 1.0 Session 11 Slide 37 of 44
5 mm thick
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Mobile Device Ports
Mobile device ports are Mini-PCI cards expand system
functionality.
I: Can be installed anywhere in the computer chassis Memory
II: Has built-in modem and network connectors
III: Uses a SODIMM connector
Mini-PCI card
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Mobile Peripheral Mobile device peripheral component uses:
Device Components
Docking stations
Port replicators
Media/accessory bays
Direct connection to ports on the mobile device
Ver. 1.0 Session 11 Slide 39 of 44
Port relicator Docking station
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Power Supplies and Batteries
Power supplies (adapter) are AC based and batteries are
DC based.
Types of batteries are:
Nickel Cadmium (NiCad)
Nickel Metal-Hydride (NiMH)
Li-Ion
Lithium Polymer
Zinc Air
Fuel Cell
Ver. 1.0 Session 11 Slide 40 of 44
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Power Supplies and Batteries (Contd..)
Power cord connects to power connector below,
and the other end plugs into an electrical outlet
Square connector with four
pins
Ni battery Li batteries
Rectangular connector
with three pins
Ni-MH Li-ion Ver. 1.0 Session 11 Slide 41 of 44
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Mobile Input Devices
Mobile input devices are:
Touch screens
Touch pads
Mini keyboards
Thumb keyboards
Styluses
Function keys
Point sticks/track points
A laptop touchpad
Ver. 1.0 Session 11 Slide 42 of 44
A laptop keyboard
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In video sharing
Video Sharing
Integrated video controller shares system RAM
Uses RAM for buffering
Can prevent upgrading video, RAM, or both
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Summary
In this session, you learned that:
How to create network connections using IP address
configuration methods and DSN technology.
How to configure web browser settings.
Preventative maintenance techniques and networking tools
help maintain and troubleshoot network connections.
Laptop and portable computing device has multiple
components, such as mobile system boards and processors.
Ver. 1.0 Session 11 Slide 44 of 44