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#1
Homework Help / Re: How to study network layer...
Last post by deanwebb - Yesterday at 08:22:51 AMThat's a very broad range. You need to start somewhere. I would pick first IP Addressing, as that is the number one area that everything starts with, and it's IPv4 that's out there for the most part. IPv6 exists, but v4 is still dominant. What you learn for v4 will be handy for v6, so there's that.
What do you already know about v4? From that, we can look at resources for getting that totally covered before going into the other topics.
What do you already know about v4? From that, we can look at resources for getting that totally covered before going into the other topics.
#2
Homework Help / How to study network layer and...
Last post by networkloser - December 18, 2025, 06:29:28 AMOk..I have tried to study network layer from Kurose Ross for quite a bit but failed to understand. Stallings network book also went out of my head.
Now I am scared to learn about network layer because I think it is too difficult.
Let's face the fear by naming it.
Network layer means these concepts:
- datagram and virtual circuit
- routing principles and algorithms
- internet protocol (IP)
- ip addressing
- ip transport
- fragmentation and assembly
- ICMP
- routing on the internet
- RIP, OSPF
- router internals
- ipv6
I am learning this for exam but you can consider general way of learning for understanding. No such restrictions of time and stuffs.
What approach is best for this learning?
Now I am scared to learn about network layer because I think it is too difficult.
Let's face the fear by naming it.
Network layer means these concepts:
- datagram and virtual circuit
- routing principles and algorithms
- internet protocol (IP)
- ip addressing
- ip transport
- fragmentation and assembly
- ICMP
- routing on the internet
- RIP, OSPF
- router internals
- ipv6
I am learning this for exam but you can consider general way of learning for understanding. No such restrictions of time and stuffs.
What approach is best for this learning?
#3
Everything Else in the Data Center / Re: Interesting article on AI ...
Last post by networkloser - December 13, 2025, 06:38:22 AMthis seems to be the future of network engineers.
#4
Everything Else in the Data Center / Re: A Rant Thread About GUI Ch...
Last post by deanwebb - November 27, 2025, 09:42:51 AMThing is, those features can also be added without changing the GUI interface, like adding another line in a drop-down menu. Simple as that. This is why I love OfficeLibre, it keeps the old school drop-down menus that just *work*.
And when usability is sacrificed for the sake of "clean, fresh design", then I truly howl in pain. We have to do stuff via screen shares, so please let us have bigger fonts and better contrast between elements! Faint text and colors that are too much like the other colors will reduce the usability and productivity with the tool.
And when usability is sacrificed for the sake of "clean, fresh design", then I truly howl in pain. We have to do stuff via screen shares, so please let us have bigger fonts and better contrast between elements! Faint text and colors that are too much like the other colors will reduce the usability and productivity with the tool.
#5
Everything Else in the Data Center / Re: A Rant Thread About GUI Ch...
Last post by icecream-guy - November 27, 2025, 06:54:18 AMQuote from: deanwebb on November 23, 2025, 08:15:24 AMOver the years, I've worked with a number of products. Some of them start out easy to use and stay easy to use. Some of them started out easy and then got harder because they added a bunch of features and didn't take time to clean up the GUI when integrating them or - worse - there's a totally different GUI for the add-on and it's way different from the one I got used to. And then there are the ones that didn't add features, but they did ruin the GUI and chose to double down on the crap instead of rolling back to what I was comfortable with.
A change in GUI is like inviting the competition in if the product doesn't have a "revert" button. I can see wanting to have a new look for marketing and sales purposes, but the daily users of the product likely have lots of memories attached to what they're doing and how they're doing it and changing everything makes them feel useless. Replaceable. Unimportant. Judged by the makers of the product and found wanting. And that makes it easier to burn a bridge and move on.
Move forward or get left behind.... change is GUI is good as features may get added over time, but, oh the bugs, GUI that don't work as expected need a revert button.
#6
Everything Else in the Data Center / A Rant Thread About GUI Change...
Last post by deanwebb - November 23, 2025, 08:15:24 AMOver the years, I've worked with a number of products. Some of them start out easy to use and stay easy to use. Some of them started out easy and then got harder because they added a bunch of features and didn't take time to clean up the GUI when integrating them or - worse - there's a totally different GUI for the add-on and it's way different from the one I got used to. And then there are the ones that didn't add features, but they did ruin the GUI and chose to double down on the crap instead of rolling back to what I was comfortable with.
A change in GUI is like inviting the competition in if the product doesn't have a "revert" button. I can see wanting to have a new look for marketing and sales purposes, but the daily users of the product likely have lots of memories attached to what they're doing and how they're doing it and changing everything makes them feel useless. Replaceable. Unimportant. Judged by the makers of the product and found wanting. And that makes it easier to burn a bridge and move on.
A change in GUI is like inviting the competition in if the product doesn't have a "revert" button. I can see wanting to have a new look for marketing and sales purposes, but the daily users of the product likely have lots of memories attached to what they're doing and how they're doing it and changing everything makes them feel useless. Replaceable. Unimportant. Judged by the makers of the product and found wanting. And that makes it easier to burn a bridge and move on.
#7
Certifications and Careers / Re: Current Certification Goal...
Last post by deanwebb - October 08, 2025, 03:46:40 PMIndeed. I just got my foundations of AI cert from ISC2.
#8
Certifications and Careers / Re: Current Certification Goal...
Last post by Otanx - October 08, 2025, 10:22:17 AMNew AI cert coming from CompTIA. Figured you might want to take a look at it. Free exam attempt if you qualify based on your experience with AI.
https://www.comptia.org/en-us/experts/become-a-subject-matter-expert/workshops/secai-beta-exam/
-Otanx
https://www.comptia.org/en-us/experts/become-a-subject-matter-expert/workshops/secai-beta-exam/
-Otanx
#9
Everything Else in the Data Center / Re: Interesting article on AI ...
Last post by deanwebb - September 26, 2025, 08:54:09 AMThat part about increasing denials for services stings, as AI has shown tendencies to amplify human biases evident in historical data. And if that's the training the AI model gets, it'll be aggressive in denying treatment not accidentally, but by design. Likeliest to be denied would be major procedures for people with poor health histories. Least likely denials would be minor procedures, prescriptions, things like that.
#10
Information/Announcements / Re: OUTAGE REPORTS
Last post by deanwebb - September 26, 2025, 08:48:09 AMHeads up from the web host:
"The maintenance process will begin Thursday, October 2nd at 12:00 AM (midnight) PT and will run until 4:00 AM PT. You may experience approximately 30 minutes of intermittent connectivity within the above 4-hour window."
"The maintenance process will begin Thursday, October 2nd at 12:00 AM (midnight) PT and will run until 4:00 AM PT. You may experience approximately 30 minutes of intermittent connectivity within the above 4-hour window."