DATE December 1995 December 1996 December 1997 December

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 ﺟﻬﺎﻥ ﺩﺭ ﺍیﻨﺘﺮﻧﺖ کﺎﺭﺑﺮﺍﻥ ﺗﻌﺪﺍﺩ DATE December, 1995 December, 1996 December, 1997 December,

ﺟﻬﺎﻥ ﺩﺭ ﺍیﻨﺘﺮﻧﺖ کﺎﺭﺑﺮﺍﻥ ﺗﻌﺪﺍﺩ DATE December, 1995 December, 1996 December, 1997 December, 1998 December, 1999 March, 2000 March, 2001 April, 2002 March, 2003 February, 2004 March, 2005 March, 2006 Mar, 2007 Mar, 2008 Mar, 2009 June, 2010 Mar, 2011 Mar, 2012 March, 2013 NUMBER OF USERS 16 millions 36 millions 70 millions 147 millions 248 millions 304 millions 458 millions 558 millions 608 millions 745 millions 888 millions 1, 023 millions 1, 129 millions 1, 407 millions 1, 596 millions 1, 966 millions 2, 095 millions 2, 336 millions 2, 749 millions % WORLD POPULATION INFORMATION SOURCE 0. 4 %IDC 0. 9 %IDC 1. 7 %IDC 3. 6 %C. I. Almanac 4. 1 %Nua Ltd. 5. 0 %Nua Ltd. 7. 6 %Nua Ltd. 8. 6 %Internet World Stats 9. 7 %Internet World Stats 11. 5 %Internet World Stats 13. 9 %Internet World Stats 15. 7 %Internet World Stats 17. 2 %Internet World Stats 21. 1 %Internet World Stats 23. 8 %Internet World Stats 28. 7 %Internet World Stats 30. 2 %Internet World Stats 33. 3 %Internet World Stats 38. 8 %I. T. U. 5

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TOP 20 COUNTRIES WITH THE HIGHEST NUMBER OF INTERNET USERS # Country or Region

TOP 20 COUNTRIES WITH THE HIGHEST NUMBER OF INTERNET USERS # Country or Region 1 China 2 United States 3 India 4 Japan 5 Brazil 6 Russia 7 Germany 8 Indonesia 9 United Kingdom 10 France 11 Nigeria 12 Mexico 13 Iran 14 Korea 15 Turkey 16 Italy 17 Philippines 18 Spain 19 Vietnam 20 Egypt TOP 20 Countries Rest of the World Total World Users Population, Internet Users Penetration 2012 Est Year 2000 Latest Data (% Population) 1, 343, 239, 923 22, 500, 000 538, 000 40. 1 % 313, 847, 465 95, 354, 000 245, 203, 319 78. 1 % 1, 205, 073, 612 5, 000 137, 000 11. 4 % 127, 368, 088 47, 080, 000 101, 228, 736 79. 5 % 193, 946, 886 5, 000 88, 494, 756 45. 6 % 142, 517, 670 3, 100, 000 67, 982, 547 47. 7 % 81, 305, 856 24, 000 67, 483, 860 83. 0 % 248, 645, 008 2, 000 55, 000 22. 1 % 63, 047, 162 15, 400, 000 52, 731, 209 83. 6 % 65, 630, 692 8, 500, 000 52, 228, 905 79. 6 % 170, 123, 740 200, 000 48, 366, 179 28. 4 % 114, 975, 406 2, 712, 400 42, 000 36. 5 % 78, 868, 711 250, 000 42, 000 53. 3 % 48, 860, 500 19, 040, 000 40, 329, 660 82. 5 % 79, 749, 461 2, 000 36, 455, 000 45. 7 % 61, 254 13, 200, 000 35, 800, 000 58. 4 % 103, 775, 002 2, 000 33, 600, 000 32. 4 % 47, 042, 984 5, 387, 800 31, 606, 233 67. 2 % 91, 519, 289 200, 000 31, 034, 900 33. 9 % 83, 688, 164 450, 000 29, 809, 724 35. 6 % 4, 664, 486, 873 273, 374, 200 1, 776, 355, 028 38. 1 % 2, 353, 360, 049 87, 611, 292 629, 163, 348 26. 7 % 7, 017, 846, 922 360, 985, 492 2, 405, 518, 376 34. 3 % Users % World 22. 4 % 10. 2 % 5. 7 % 4. 2 % 3. 7 % 2. 8 % 2. 3 % 2. 2 % 2. 0 % 1. 7 % 1. 5 % 1. 4 % 1. 3 % 1. 2 % 73. 8 % 26. 2 % 100. 0 % 9

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A new report from Dice indicates the best IT certifications to help you get

A new report from Dice indicates the best IT certifications to help you get a job in 2012. In its 2012 IT Salary Survey, leading IT job board Dice. com asked: Which IT certification(s) helped you to get hired? Over 18, 000 employed IT professionals responded, here are the top 8 IT certifications that helped them land the job. Sources: Dice. com 2012 IT Salary Survey • Robert Half Technology 2012 IT Salary Report • ITCareer. Finder 11

Project Management Professional (PMP) PMP certification is the preeminent credential for business and IT

Project Management Professional (PMP) PMP certification is the preeminent credential for business and IT project managers. IT projects such as software systems upgrades need skilled PMs to ensure goals are met on time, under budget and to specs. PMP is the most sought -after certification on Dice with over 2, 000 requests in job postings on any given day, and a 9% year over year uptick in demand. PMP certification has strict prerequisites including 3+ years experience plus 35 hours of PMI-approved training, but for those who qualify the rewards are substantial – PMP certified pros earn an average salary of $120, 000. Sources: Dice. com 2012 IT Salary Survey • Robert Half Technology 2012 IT Salary Report • ITCareer. Finder 12

A+ Certification A+ certification validates the skills of an entry-level computer technician. A+ introduces

A+ Certification A+ certification validates the skills of an entry-level computer technician. A+ introduces the core IT domains of PC hardware, troubleshooting & repair, software and operating systems, networking, security and IT operations, plus effective communication skills. A+ certified technicians can pursue entry-level positions such as help desk technician and tech support specialist, typical starting points for a range of IT career paths, and a great place to start gaining practical experience. A+ is often the first IT certification earned by new IT professionals because of its wide skills coverage and lack of prerequisites. Sources: Dice. com 2012 IT Salary Survey • Robert Half Technology 2012 IT Salary Report • ITCareer. Finder 13

Cisco Certified Network Associate (CCNA) CCNA certification demonstrates skills and competence in computer networking.

Cisco Certified Network Associate (CCNA) CCNA certification demonstrates skills and competence in computer networking. The CCNA certification exam covers a wide range of technical competencies and expertise, from understanding how a network functions and the day-to-day management of routed & switched networks, to identifying and preventing complex network security threats. 64% of IT hiring managers polled in Robert Half Technology's 2012 IT Salary Guide listed network administration as the most in-demand skill this year, while on Dice. com the demand for CCNA certified professionals increased 21% since last year. Sources: Dice. com 2012 IT Salary Survey • Robert Half Technology 2012 IT Salary Report • ITCareer. Finder 14

Security+ Certification A recent survey by renowned security trade group (ISC)2 indicates 62% of

Security+ Certification A recent survey by renowned security trade group (ISC)2 indicates 62% of organizations will hire IT security specialists in 2012. Of those hiring, 81% said an understanding of information security concepts will be important in their hiring decisions - this conceptual knowledge they seek is the key component of Comp. TIA’s Security+ certification. Security+ is also a requirement or elective for a range of advanced security credentials, military and government IT positions. Smart IT hiring managers recognize the value of employees who are properly skilled and certified in the concepts of Confidentiality, Integrity and Availability (the CIA Triad) – and the tenants of Comp. TIA’s Security+ certificate. Sources: Dice. com 2012 IT Salary Survey • Robert Half Technology 2012 IT Salary Report • ITCareer. Finder 15

Network+ Certification Network+ certification validates the skills and qualifications of a beginner network professional.

Network+ Certification Network+ certification validates the skills and qualifications of a beginner network professional. Network+ certified pros can install, configure, maintain, secure & troubleshoot basic computer networks. Leverage the Network+ certificate to land an entry-level job as a network administrator, network technician or network installer. Gain hands-on experience then advance your career with a vendor-specific networking credential, such as the Cisco CCNA or Red Hat Certified Engineer (RHCE). Sources: Dice. com 2012 IT Salary Survey • Robert Half Technology 2012 IT Salary Report • ITCareer. Finder 16

CISSP Certification CISSP certification is the preeminent credential for experienced IT security and information

CISSP Certification CISSP certification is the preeminent credential for experienced IT security and information assurance professionals. CISSPs are the managers and policy-makers in today's top computer security domains, including security management practices, mobile device security, apps development security, security architecture models, operations security, risk management & the fast-growing field of cloud computing security. CISSP certified pros enjoy stable employment, high salaries and a wide range of opportunities for advancement in both the public and private sector. CISSP certification is recognized by the Do. D, opening the door to IT jobs that require security clearance in government agencies and the military. Sources: Dice. com 2012 IT Salary Survey • Robert Half Technology 2012 IT Salary Report • ITCareer. Finder 17

IT Infrastructure Library (ITIL) Expert ITIL is the most sought-after and widely-used approach to

IT Infrastructure Library (ITIL) Expert ITIL is the most sought-after and widely-used approach to IT Service Management, providing a practical framework for identifying, planning, delivering and supporting IT services. Businesses worldwide are implementing the ITIL framework to improve services, reduce overhead, increase productivity and improve customer satisfaction through a more professional approach to IT process management. Hiring experienced IT service managers with ITIL certifications is a top objective for Fortune enterprises and forward-thinking small to medium-sized businesses in 2012. Service deliverability is essential and as such ITIL certified pros command average salary of $110, 000 – in addition to increased employment options. Sources: Dice. com 2012 IT Salary Survey • Robert Half Technology 2012 IT Salary Report • ITCareer. Finder 18

Microsoft Certified IT Professional (MCITP) MCITP certifications validate the skills and experience needed to

Microsoft Certified IT Professional (MCITP) MCITP certifications validate the skills and experience needed to effectively perform in a specific IT career path, e. g. , PC support technician or database administrator. As more and more organizations migrate from Windows Server 2000/2003 (and the old MCSE certificates) to Windows Server 2008, the demand for MCITP certification holders will continue to grow. Almost half of the CIO's surveyed in Robert Half Technology's 2012 IT salary report - 42% - identified Windows Server Administration as an indemand skill for 2012 and beyond. Update: Explore the New Microsoft Certification Program featuring Cloud. Built Certs Sources: Dice. com 2012 IT Salary Survey • Robert Half Technology 2012 IT Salary Report • ITCareer. Finder 19

Local Area Networks n n n Two broadcast networks (a) Bus (b) Ring

Local Area Networks n n n Two broadcast networks (a) Bus (b) Ring

Metropolitan Area Networks n A metropolitan area network based on cable TV.

Metropolitan Area Networks n A metropolitan area network based on cable TV.

Wide Area Networks n Relation between hosts on LANs and the subnet.

Wide Area Networks n Relation between hosts on LANs and the subnet.