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Some ISP's in my country probably hire cleaning ladies to manage their networks (and reply to Support Center sometimes) as I have just switched from an ISP to another due to bad services :D
While I am not a certified network engineer, I have spent a lot of my time doing it.
Nice to see others doing it!

cleaning ladies? thats really funny. However, I like the fact that you have experience in lots of field sir. its really awesome to explore different areas of discipline.

wow! so nice to meet with you bro, i checked some of your post and they were awesome. sharing knoweledge is very important especially in your field of interest. it broadens ones knowledge to its indepth. I will love to read your series on networking. Thanks for having you here.@Henry