This is a great presentation! I have one small point to add. Regarding TCP acknowledgments, it is not perfectly accurate to describe the acknowledgment as ‘I'm looking for’, but ‘I received’. Further, when an acknowledgment is sent, the sequence number from the client is actually the next sequence number after the TCP segments received. For example, if the acknowledgment had a sequence number of 6, that would actually tell the server that the client received up to TCP segment with sequence number 5 in the header. That then gives the server information on whether to retransmit. Another way to say this is that I got up to sequence number 1,000 and I'm acting as a client. My acknowledgment in return would actually say 1,001. I hope this makes sense to anyone who is reading this.
VLANS and IP subnets are not identical. They are very different. You can have traffic from many subnets on a single VLAN. VLANS are physical broadcast domains logically separated. Subnets are always logical. Broadcast traffic generated at the IP subnet level can travel to devices addressed to different subnets on the same VLAN. Traffic generated in a VLAN is bound to that VLAN and can not cross to another VLAN.
A recommendation is to keep any surge bank centered in the rack. Unlike UPS devices, these tend to not be quite as heavy, but allow power cables from above and below to be more likely to adequately reach their plug in points while observing other proper wire management procedures.
What an amazing video. I'm in the process of looking to start my sound system and one of the items that I want is a rack for my equipment. You made so easy and I'm definitely going to build my home theater. Thank you very much!
Hi! How would I apply this chart to RTRC Conduit (Fiberglass conduit). I can't seem to find this type of conduit on the chart, but it's slightly mentioned in the book. For example: Figuring out if I can fit 3-750 kcmil into a 5" FRE Conduit
Thanks Holger!! We are glad you enjoy our the videos. Our intention is to make these videos short and focused on a single concept. We will be releasing a video specifically to address the Discas standard as well.
When I was younger I worked a lot of on 70V systems in stadium and auditorium settings (1980s) and it was a challenge to get any audio quality that didn't sound like a clock radio speaker. We also had major problems when one speaker was ripped off by a drunk guest or when cable runs came close to any other A/C wiring. Any tips on sound quality with these systems?
This brings up strong and substantial privacy concerns. What is your justification here? 360° cameras in every room, forever? What of the students who are required to show up for class everyday? Just record them every single day against their will (because they have to show up or they'll fail), despite not wanting or needing to be in the video camera's view? It doesn't matter how securely the footage is stored or how it's used. It's wrong to record people against their will. This product would have been far superior if it was only 120 degrees for the teacher and the whiteboard/projector view. This product's attempted gimmick has only resulted in exposing thousands of students, some potentially MINORS, to being recorded completely against their wishes. I don't agree with this product or its uses, and won't be supporting it.
This is the best R&F I have seen so far (been playing catch-up with E1). As a in-house AV tech who started in IT. I totally agree AV programmers need to be more System Eng. The projects I been working with lately I do the whole bang, design, spec, program, install, and support. Also agree with the whole security topic as well. Looking forward to more episodes.
