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jcbermu

I have been in networking for more than 20 years, during that time I've expanded my knowledge to Linux, python , javascript and VBA for Excel.

Recently my interest has been in VoIP and mainly Asterisk.

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  • Madrid, Spain
  • Member for 6 years, 10 months
  • 994 profile views
  • Last seen Feb 22 at 21:33

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83 Did Windows ever support any hardware architectures other than x86? Apr 7 '16
79 Why was port 80 chosen as the default HTTP port and 443 as the default HTTPS port? Nov 6 '15
72 Why can't I use the first or last address in a subnet? Aug 9 '16
63 What happens to TCP connections when I remove the ethernet cable? May 7 '15
59 Confusion with storage capacity (powers of 10 and 2) May 25 '16
55 Do most music CDs contain the needed info about their tracks? Jan 12 '16
45 Pinging different IP address than what I entered Mar 26 '15
41 AND function gives TRUE result for empty, BLANK cell - why? Aug 31 '16
40 What can I do to protect my data on laptop if it were stolen? Dec 4 '17
32 Why are subnet-masks relevant for the individual computer on the network? Mar 22 '17
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