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jonathanjo

Once upon a time a computer programmer I have been connecting networks since the 1980s. Nowadays mostly management consultancy but still have to be practical from time to time.

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  • example.com
  • Member for 1 year, 1 month
  • 202 profile views
  • Last seen 14 hours ago

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Top Posts (267) All Questions Answers | Votes Newest

21 Where is Ping's “round-trip time” stored in the IP header? Sep 14
11 Why couldn't a nework address be used as as broadcast address as well? May 21
10 Do network adapters read incoming bits in a single stream? Oct 17
8 What does the “T” shape mean in network topology? Oct 23
7 Do VLANs with no ACL assigned block inter-VLAN traffic by default? Aug 6
6 Whether the traceroute command only can check “to” path, can not check “back” path? Nov 13
6 Why is a TCP Socket identified by a 4 tuple? Oct 30
6 Why is internet speed called Bandwidth? Oct 3
6 What is the characteristic of spoofed ARP packets? Oct 1
6 Ethernet padding value Sep 24
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