Self Study CCNA in 5 Days

Cisco Certified Network Associate (CCNA), a certification which is the basic or the fundamental one in Network Career. Many of them go to a Institute for training themselves in this. But there are people who still try to study on their own. This post is for those people.


Every certification needs some hard work and concentration to complete them. You can study the entire syllabus and curriculum of CCNA in just five days. Yes, it is possible.

Here are the links given for each separate day. Download the files and start your self study right away.

CCNA Day 1
CCNA Day 2
CCNA Day 3
CCNA Day 4
CCNA Day 5

Note : These are no replacement for your Study Materials or Books or Videos or Simulators or Dumps or Training. These are just used to support your study for CCNA.

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Computer Abbreviations

Here is the list of Computer Abbreviations especially for Newbies and Computer Enthusiasts. It is always good to know them all


--- A ---

ADSL - Asymmetric Digital Subscriber Line
AGP - Accelerated Graphics Port
ALI - Acer Labs, Incorporated
ALU - Arithmetic Logic Unit
AMD - Advanced Micro Devices
APC - American Power Conversion
ASCII - American Standard Code for Information Interchange
ASIC - Application Specific Integrated Circuit
ASPI - Advanced SCSI Programming Interface
AT - Advanced Technology
ATI - ATI Technologies Inc.
ATX - Advanced Technology Extended

--- B ---
BFG - BFG Technologies
BIOS - Basic Input Output System
BNC - Barrel Nut Connector

--- C ---
CAS - Column Address Signal
CD - Compact Disk
CDR - Compact Disk Recorder
CDRW - Compact Disk Re-Writer
CD-ROM - Compact Disk - Read Only Memory
CFM - Cubic Feet per Minute
CMOS - Complementary Metal Oxide Semiconductor
CPU - Central Processing Unit
CTX - CTX Technology Corporation (Commited to Excellence)

--- D ---

DDR - Double Data Rate
DDR-SDRAM - Double Data Rate - Synchronous Dynamic Random Access Memory
DFI - DFI Inc. (Design for Innovation)
DIMM - Dual Inline Memory Module
DRAM - Dynamic Random Access Memory
DPI - Dots Per Inch
DSL - See ASDL
DVD - Digital Versatile Disc
DVD-RAM - Digital Versatile Disk - Random Access Memory

--- E ---
ECC - Error Correction Code
ECS - Elitegroup Computer Systems
EDO - Extended Data Out
EEPROM - Electrically Erasable Programmable Read-Only Memory
EPROM - Erasable Programmable Read-Only Memory
EVGA - EVGA Corporation

--- F ---
FC-PGA - Flip Chip Pin Grid Array
FDC - Floppy Disk Controller
FDD - Floppy Disk Drive
FPS - Frame Per Second
FPU - Floating Point Unit
FSAA - Full Screen Anti-Aliasing
FS - For Sale
FSB - Front Side Bus

--- G ---
GB - Gigabytes
GBps - Gigabytes per second or Gigabits per second
GDI - Graphical Device Interface
GHz - GigaHertz

--- H ---
HDD - Hard Disk Drive
HIS - Hightech Information System Limited
HP - Hewlett-Packard Development Company
HSF - Heatsink-Fan

--- I ---
IBM - International Business Machines Corporation
IC - Integrated Circuit
IDE - Integrated Drive Electronics
IFS- Item for Sale
IRQ - Interrupt Request
ISA - Industry Standard Architecture
ISO - International Standards Organization

--- J ---
JBL - JBL (Jame B. Lansing) Speakers
JVC - JVC Company of America

- K ---
Kbps - Kilobits Per Second
KBps - KiloBytes per second

--- L ---
LG - LG Electronics
LAN - Local Area Network
LCD - Liquid Crystal Display
LDT - Lightning Data Transport
LED - Light Emitting Diode

--- M ---
MAC - Media Access Control
MB - MotherBoard or Megabyte
MBps - Megabytes Per Second
Mbps - Megabits Per Second or Megabits Per Second
MHz - MegaHertz
MIPS - Million Instructions Per Second
MMX - Multi-Media Extensions
MSI - Micro Star International

--- N ---
NAS - Network Attached Storage
NAT - Network Address Translation
NEC - NEC Corporation
NIC - Network Interface Card

--- O ---
OC - Overclock (Over Clock)
OCZ - OCZ Technology
OEM - Original Equipment Manufacturer

--- P ---
PC - Personal Computer
PCB - Printed Circuit Board
PCI - Peripheral Component Interconnect
PDA - Personal Digital Assistant
PCMCIA - Peripheral Component Microchannel Interconnect Architecture
PGA - Professional Graphics Array
PLD - Programmable Logic Device
PM - Private Message / Private Messaging
PnP - Plug 'n Play
PNY - PNY Technology
POST - Power On Self Test
PPPoA - Point-to-Point Protocol over ATM
PPPoE - Point-to-Point Protocol over Ethernet
PQI - PQI Corporation
PSU - Power Supply Unit

--- R ---
RAID - Redundant Array of Inexpensive Disks
RAM - Random Access Memory
RAMDAC - Random Access Memory Digital Analog Convertor
RDRAM - Rambus Dynamic Random Access Memory
ROM - Read Only Memory
RPM - Revolutions Per Minute

--- S ---
SASID - Self-scanned Amorphous Silicon Integrated Display
SCA - SCSI Configured Automatically
SCSI - Small Computer System Interface
SDRAM - Synchronous Dynamic Random Access Memory
SECC - Single Edge Contact Connector
SODIMM - Small Outline Dual Inline Memory Module
SPARC - Scalable Processor ArChitecture
SOHO - Small Office Home Office
SRAM - Static Random Access Memory
SSE - Streaming SIMD Extensions
SVGA - Super Video Graphics Array
S/PDIF - Sony/Philips Digital Interface

--- T ---
TB - Terabytes
TBps - Terabytes per second
Tbps - Terabits per second
TDK - TDK Electronics
TEC - Thermoelectric Cooler
TPC - TipidPC
TWAIN - Technology Without An Important Name

--- U ---
UART - Universal Asynchronous Receiver/Transmitter
USB - Universal seri@l Bus
UTP - Unshieled Twisted Pair

--- V ---
VCD - Video CD
VPN - Virtual Private Network

--- W ---
WAN - Wide Area Network
WTB - Want to Buy
WYSIWYG - What You See Is What You Get

--- X ---
XGA - Extended Graphics Array
XFX - XFX Graphics, a Division of Pine
XMS - Extended Memory Specification
XT - Extended Technology

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How to remove Dont Send Error Report?

Got fed up on receiving the Send/Dont Send Error Report????

Dont worry it is a easy task to disable this feature

Go to Control Panel--->Performance and Maintenance--->System--->Advanced Tab--->
Click on Error Reporting button-->Select Disable Error Reporting and Click OK

If some of you do not have the Performance and Maintenance Option in the Control Panel, then go to the System Properties and there click the Advanced Tab and then click on Error Reporting button to disable the feature. To open the System properties right click the My Computer and click Properties or double click System option present in the Control Panel.

Your are done!!!!

Now you are free from the error reporting.

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All Run Commands in Windows XP

Ever felt lazy on searching for an application to open and work on it. Well if so then you can use the following run commands in your Run dialog box and then open the application as soon as possible.

You can access all these programs by going through START/RUN.


SQL Client Configuration - cliconfg
System Configuration Editor - sysedit
System Configuration Utility - msconfig
System File Checker Utility (Scan Immediately)- sfc /scannow
System File Checker Utility (Scan Once At Next Boot)- sfc /scanonce
System File Checker Utility (Scan On Every Boot) - sfc /scanboot
System File Checker Utility (Return to Default Setting)- sfc /revert
System File Checker Utility (Purge File Cache)- sfc /purgecache
System File Checker Utility (Set Cache Size to size x)-sfc/cachesize=x
System Information - msinfo32.
Task Manager – taskmgr
System Properties - sysdm.cpl
Task Manager – taskmgr
TCP Tester - tcptest
Telnet Client - telnet
Tweak UI (if installed) - tweakui
User Account Management- nusrmgr.cpl
Utility Manager - utilman
Windows Address Book - wab
Windows Address Book Import Utility - wabmig
Windows Backup Utility (if installed)- ntbackup
Windows Explorer - explorer
Windows Firewall- firewall.cpl
Windows Magnifier- magnify
Windows Management Infrastructure - wmimgmt.msc
Windows Media Player - wmplayer
Windows Messenger - msmsgs
Windows Picture Import Wizard (need camera connected)- wiaacmgr
Windows System Security Tool – syskey
Windows Update Launches - wupdmgr
Windows Version (to show which version of windows)- winver
Windows XP Tour Wizard - tourstart
Wordpad - write
Password Properties - password.cpl
Performance Monitor - perfmon.msc
Phone and Modem Options - telephon.cpl
Phone Dialer - dialer
Pinball Game - pinball
Power Configuration - powercfg.cpl
Printers and Faxes - control printers
Printers Folder – printers
Private Character Editor - eudcedit
Quicktime (If Installed)- QuickTime.cpl
Real Player (if installed)- realplay
Regional Settings - intl.cpl
Registry Editor - regedit
Registry Editor - regedit32
Remote Access Phonebook - rasphone
Remote Desktop - mstsc
Removable Storage - ntmsmgr.msc
Removable Storage Operator Requests - ntmsoprq.msc
Resultant Set of Policy (XP Prof) - rsop.msc
Scanners and Cameras - sticpl.cpl
Scheduled Tasks - control schedtasks
Security Center - wscui.cpl
Services - services.msc
Shared Folders - fsmgmt.msc
Shuts Down Windows - shutdown
Sounds and Audio - mmsys.cpl
Spider Solitare Card Game - spider
Malicious Software Removal Tool - mrt
Microsoft Access (if installed) - access.cpl
Microsoft Chat - winchat
Microsoft Excel (if installed) - excel
Microsoft Frontpage (if installed)- frontpg
Microsoft Movie Maker - moviemk
Microsoft Paint - mspaint
Microsoft Powerpoint (if installed)- powerpnt
Microsoft Word (if installed)- winword
Microsoft Syncronization Tool - mobsync
Minesweeper Game - winmine
Mouse Properties - control mouse
Mouse Properties - main.cpl
Nero (if installed)- nero
Netmeeting - conf
Network Connections - control netconnections
Network Connections - ncpa.cpl
Network Setup Wizard - netsetup.cpl
Notepad - notepad
Nview Desktop Manager (If Installed)- nvtuicpl.cpl
Object Packager - packager
ODBC Data Source Administrator- odbccp32.cpl
On Screen Keyboard - osk
Opens AC3 Filter (If Installed) - ac3filter.cpl
Outlook Express - msimn
Paint – pbrush
Keyboard Properties - control keyboard
IP Configuration (Display Connection Configuration) - ipconfi/all
IP Configuration (Display DNS Cache Contents)- ipconfig /displaydns
IP Configuration (Delete DNS Cache Contents)- ipconfig /flushdns
IP Configuration (Release All Connections)- ipconfig /release
IP Configuration (Renew All Connections)- ipconfig /renew
IP Configuration(RefreshesDHCP&Re-RegistersDNS)-ipconfig/registerdns
IP Configuration (Display DHCP Class ID)- ipconfig/showclassid
IP Configuration (Modifies DHCP Class ID)- ipconfig /setclassid
Java Control Panel (If Installed)- jpicpl32.cpl
Java Control Panel (If Installed)- javaws
Local Security Settings - secpol.msc
Local Users and Groups - lusrmgr.msc
Logs You Out Of Windows - logoff.....
Accessibility Controls - access.cpl
Accessibility Wizard - accwiz
Add Hardware - Wizardhdwwiz.cpl
Add/Remove Programs - appwiz.cpl
Administrative Tools control - admintools
Adobe Acrobat (if installed) - acrobat
Adobe Designer (if installed)- acrodist
Adobe Distiller (if installed)- acrodist
Adobe ImageReady (if installed)- imageready
Adobe Photoshop (if installed)- photoshop
Automatic Updates - wuaucpl.cpl
Bluetooth Transfer Wizard – fsquirt
Calculator - calc
Certificate Manager - certmgr.msc
Character Map - charmap
Check Disk Utility - chkdsk
Clipboard Viewer - clipbrd
Command Prompt - cmd
Component Services - dcomcnfg
Computer Management - compmgmt.msc
Control Panel - control
Date and Time Properties - timedate.cpl
DDE Shares - ddeshare
Device Manager - devmgmt.msc
Direct X Control Panel (If Installed)- directx.cpl
Direct X Troubleshooter- dxdiag
Disk Cleanup Utility- cleanmgr
Disk Defragment- dfrg.msc
Disk Management- diskmgmt.msc
Disk Partition Manager- diskpart
Display Properties- control desktop
Display Properties- desk.cpl
Display Properties (w/Appearance Tab Preselected)- control color
Dr. Watson System Troubleshooting Utility- drwtsn32
Driver Verifier Utility- verifier
Event Viewer- eventvwr.msc
Files and Settings Transfer Tool- migwiz
File Signature Verification Tool- sigverif
Findfast- findfast.cpl
Firefox (if installed)- firefox
Folders Properties- control folders
Fonts- control fonts
Fonts Folder- fonts
Free Cell Card Game- freecell
Game Controllers- joy.cpl
Group Policy Editor (XP Prof)- gpedit.msc
Hearts Card Game- mshearts
Help and Support- helpctr
HyperTerminal- hypertrm
Iexpress Wizard- iexpress
Indexing Service- ciadv.msc
Internet Connection Wizard- icwconn1
Internet Explorer- iexplore
Internet Setup Wizard- inetwiz
Internet Properties- inetcpl.cpl

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Remove Brontok Virus Manually

Here we will see on how to remove the most sticky virus "BRONTOK". Nowadays this is the virus that is found in most of the systems. It makes the Registry Editor (Regedit) disabled, it disables the Hidden folders and files option and it also sometimes disables the Task Manager.

The process for removing the brontok virus is simpler and without relying on any anti-virus softwares, we can remove the virus manually.

The procedure to do so :

1. Open the computer using Safe Mode with Command prompt and give the following two commands

reg delete HKCU\software\microsoft\windows\currentversion\policies\system /v "DisableRegistryTools"

run HKLM\software\microsoft\windows\currentversion\policies\system /v "DisableRegistryTools"


Now these two commands makes your registry editor enabled using which we will finish up the task.

2. Now go to Run and type regedit and hit enter.

3.Now follow the path
HKLM\Software\Microsoft\Windows\Currentversion\Run

and delete the entries in the right side of the screen having keywords "Brontok" or "Tok".

Now the virus is deleted but we have to make the folder options enabled.

4. Restart the system, open the registry editor and follow the path

HKCU\Software\Microsoft\Windows\Currentversion\Policies\Explorer\ 'NoFolderOption'

and delete this entry.

To be on the safe side search your computer with the name *.exe and do remember to include the hidden files option and delete the search results which has as a Folder Icon.

Now your system is free from Brontok Virus.

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Trace International Mobile Numbers - Worldwide

We have already seen on how to trace the mobile numbers in India.

There was a big thought by the users on how the database was maintained for such a large country like India. Still the question is unanswered.But as the users were gazed, more tricks came.

I saw this website which was capable of tracing mobilenumbers worldwide. This website is used for resolving any telephone number to its geographical location. Be it any country, any state and any city. It is possible to trace the mobile number from where it was originated and it also displays the Operator of the number.

Click on the following link to trace the numbers

Trace the Mobile Numbers - International


Disclaimer : Sharing the precise name and address details of mobile number is crime . It is against the privacy law. Land lines are more associated to houses or organizations, where as Mobile is very personal. The purpose of this tool is to give you some directions of location of mobile, so that if you call the person, you know how you'll be billed. Or you could recall the person by knowing the state and operator.

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Find Invisible People in Gtalk, Yahoo Messenger

This is one of the most common trick which you would find in the Internet. But the trick wasn't available for Gtalk(Google Talk) for a long time. And soon after it was released too not many people knew the method to find out their friends who are invisible in the Chat list.

Well, the methods are pretty simple and they can be done by anyone .

GTalk (Google Talk)
1. Open the Chat window of the particular User on whom you want to find whether he/she is invisible.
2. Now Click on Option and Select the 'Go off the Record' option.
3. Now type some message and send it.
4. Now here is the trick, if you get a response "User is Offline and can't receive messages" in red font colour, then it means your victim is really offline.
5. If you dont get a response, it means your friend is in invisible mode and you are now ready to disturb them.

Yahoo Messenger
Well it is really easy to find out the same in Yahoo Messenger.
1. Open the Chat window of the particular User on whom you want to find whether he/she is invisible.
2. Now load the IMvironment "Doodle" and please wait since the IMvironment takes some time to load which depends on you connection speed.
3. Now if the Imvironemnt loads then the user is online.

These are tricks for checking the invisible people in Gtalk and Yahoo Messenger.

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