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Very interesting question.In my opinion:
1. Cisco certificates (CCNA, CCNP and CCIE).
2. CTNS: Certified Telecommunications Network Specialist.
3. CIPTS: Certified IP Telecom Network Specialist.
4. CWA: Certified Wireless Analyst.
5. CTA: (Certified Telecommunications Analyst).
I want to be a professional
Thanks for your kind reply :)