Network Engineering
jonathanjo
  • Member for 4 years, 3 months
  • Last seen more than a month ago
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About

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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All Questions Answers
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48
Why isn't UDP with reliability (implemented at Application layer) a substitute of TCP?
Jun 27 '19
31
Why does Ethernet use EtherType field to determine what type of packet is in a frame instead of just looking at the packet header?
Apr 16 '20
24
acknowledgment by TCP does not guarantee that the data has been delivered
Dec 20 '18
23
Where is Ping's "round-trip time" stored in the IP header?
Sep 14 '18
20
Worst-case efficiency of PPP escaping mechanism
Feb 5 '20
12
Do network adapters read incoming bits in a single stream?
Oct 17 '18
11
Why couldn't a nework address be used as as broadcast address as well?
May 21 '18
10
Is there a way to capture only gratuitous ARP's using tcpdump?
May 2 '19
10
Appropriate certificate to ask for a fibre installation (ANSI/TIA-568.3-D?)
May 2 '19
9
What's the difference between Ethernet link and Serial link?
Nov 27 '18
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Disagree with what is on/off topic here? Join the discussion! Community feedback needed
7
What should we have in NE "How to Ask" box?
4
What should we have in NE "How to Ask" box?
3
Can we err more on the side of leaving questions open when multiple interpretations exist and some might be off topic/too broad?
3
Correct procedure for inadvertant privacy breach?
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70
Is "I do not want you to go nowhere" a case of "DOUBLE-NEGATIVES" as claimed by Grammarly?
41
Can the word crowd refer to just 10 people?
34
What do you call a painting painted on a wall?
28
How to understand a microcontroller's name?
25
Is "The life is beautiful" incorrect or just very non-idiomatic?

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