Certificates of CCNA, CEH and PMP are very valuable for people engaged in IT industry. Ccna (cisco certified Network Assistant) is a Cisco certified network expert certificate, which can prove your skill level in the network field, including basic network knowledge, routing and switching ability. CEH(Certified Ethical Hacker) is a certified ethical hackers certificate, which can prove your skills in network security, including penetration testing and vulnerability assessment. PMP (Project Management) is a professional certificate of project management, which can prove your ability in project management, including project planning, execution and control. These certificates are widely recognized in the IT industry and can enhance your employment competitiveness and career development opportunities.