What is Public Clouds ?

A public cloud is a cloud service that is hosted by a cloud services provider, and is made available for public use. A public cloud may host a single tenant, or it might host tenants from multiple organizations.

As such, public cloud security is not as strong as private cloud security, but public cloud hosting typically costs less because multiple tenants absorb costs.

CCNA - Interview Questions (Part-1)

Following are the questions asked by the interviewer to fresher candidates. Answers will be published in next blog. Just Go through these Questions and prepare yourself.
 1. What is the OSI model and why is it important in understanding networking?
 2. How does the third OSI model layer relate to administering routers?
 3.Which OSI model layer is concerned with MAC addresses?
 4. What protocols correspond to the Presentation and Session layers?
 5. What is the difference between the TCP and UDP protocols?
 6. What is the EIA/TIA 232 protocol concerned with?

Role of A Desktop Support Engineer

Role Of A Desktop Support Engineer

            It has been observed that sometimes  Candidates  are unable to explain the roles of a desktop engineer. Following are the some points which we can put for the roles of Desktop Engineer.

• Install, upgrade, support and troubleshoot XP, Windows 7 and windows 8 and Microsoft Office 2007 /2010 and any  other authorized desktop applications

• Install, upgrade, support and troubleshoot for printers, computer hardware and any

other authorized peripheral equipment

•Performs general preventative maintenance tasks on computers, laptops, printers

and any other authorized peripheral equipment

•Performs remedial  repairs  on  computers, laptops, printers and any other authorized

peripheral equipment

• Customize desktop hardware to meet user specifications and site standards

• Performs work in compliance within specified  warranty requirements

• Returns defective  equipment /parts to maintenance inventory, documents customer

repairs, maintains and restocks assigned parts inventory to insure proper spare parts

levels

• Safely package equipment for branches and arrange for the transport of the  equipment

Candidate Profile

·         MCSA or working towards a MCSA

·         Very good understanding of TCP/IP

·         Experience of supporting a Windows environment

·         Excellent knowledge of MS Office Suite

·         Excellent telephone manner and good quality of written and verbal communications

·         Strong organization and time management skills

·         Capable of quickly building rapport with a diverse mix of people

·         A keen interest in personal development through training and self study

·         Calm and approachable, remaining so under pressure

·         Great team working skills, eager to offer assistance yet equally kee

·         n to accept advice and critique

·         Keen to take on extra roles and responsibilities as needed

·         Able to work irregular hours as required

Installing Backtrack 5 R3 In Virtual Machine Step By Step [ How To ]

Installing Backtrack 5 R3 In Virtual Machine Step By Step [ How To ]

By Moin , CEH, ECSA , CEI, MCT, CCNP

In this tutorial i will show you how to install Backtrack 5 R3 which is recently released by offensive security team . if you’ve previously installed backtrack then you might be familiar with backtrack installations . its easy and simple just follow given simple steps.

Stage 1

Requirements
1 : Download backtrack ISO from here
2 : Download VMware Workstation or VMplayer
3 : Install any of above

Stage 2

Installation

1 : Create A new virtual machine

2 : choose installer ISO ( choose backtrack 5 ISO )

3 : choose Linux as your guest operating system type and Ubuntu as version

4 : give a name and location of your backtrack VM

5 : Specify virtual hard drive space ( 20 GB is good enough )

then click finish from ready to create vm window

hit enter to go boot screen then choose default boot text mode and hit enter

HIT ENTER AT THIS POINT

type startx to start GUI ( x server )

click on Install backtrack icon or open terminal type sh -c “ubiquity”

and continue like normal installation choose keyboard type and provide location info

if you are installing just backtrack then go normally and erase and use entire disk

or if you installing backtrack with other OS then specify partition accordingly ( in this tutorial m using virtual hard-drive )

click on forward and click on install

wait until it finish installing

it will take up-to 30 minutes depend on your system

 

Enjoy .

MCITP Enterprise Administrator

MCITP Enterprise Administrator

WHY DO THIS COURSE ?

On completion of this course you would be responsible for designing computer networks, specifically Wide Area Networks (WANs), Local Area Networks (LANs), intranets and for the Internet. According to Microsoft.com, you would be responsible for planning, designing, running and monitoring network servers, or computers and programs that allow access to centralized services or  resources. You would also work with hardware, installing cables, adapters, routers and other devices and  components.   

The  MCITP:  Enterprise  Administrator  is  the  renowned  certification  offered  by Microsoft for Networkers

WHAT JOB CAN YOU GET?

•  Enterprise systems administrator

•  IT systems manager 

•  Enterprise security administrator 

•  Network administrator 

•  Systems Engineer  

INTERNATIONAL CERTIFICATIONS:

Once students have completed their international  exams they shall achieve the following Microsoft  certifications:

•  Microsoft Certified IT Professional: Enterprise  Administrator (MCITP)

•  Microsoft Certified Technology Specialist:  Windows Server 2008 Active Directory, Configuration (MCTS)

•  Microsoft Certified Technology Specialist: Windows Server 2008 Network Infrastructure, Configuring (MCTS)

•  Microsoft Certified Technology Specialist: Windows Server 2008 Applications Infrastructure, Configuration (MCTS)

•  Microsoft Certified Technology Specialist: Windows 7, Configuration (MCTS)

CCENT/CCNA ICND1 640-822 Official Cert Guide, Premium Edition eBook and Practice Test, 3rd Edition

• By Wendell Odom.
• Published by Cisco Press.
• Series: Official Cert Guide.

• Published: Oct 12, 2011
• Copyright 2012
• Dimensions: 7-3/8" x 9-1/8"
• Pages: 800

• Edition: 3rd
• Premium Edition
• ISBN-10: 0-13-290382-2
• ISBN-13: 978-0-13-290382-0
• 
  

Introduction to Router

Introduction to Router

What is router ---Router is a layer  3 ( OSI) device which is used to moves or forwards data packets from network to network.  

                Or

A devices which is used to connect different  different  networks.   

Functions  of   A   Router

                1.  Packet  Switching

                2.  Packet Filtering

                3.  Path selection

                4.  Internetworking  Communications

  Physically  Router is categorized as   

                Fixed Router      --No flexibility to add  interfaces.  Example --2500 series Router

                Modular Router -- Flexibility to add interfaces. Example-- 1700 /2600 etc.