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It is Monday afternoon here. As a time traveler, I can tell you nothing much has changed.
"It is easy to decipher extraterrestrial signals after deciphering Javascript and VB6 themselves.", ISanti[ ^]
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Thinking I've got this as I already have AZ-103 and AZ-203 and it's basically my everyday job.
Doing a test exam.
You want to do X, what service should you use?
- Event Grid
- Event Hub
- Notification Hub
- SendGrid
- Service Bus
So... Am I going for a random grid or a random hub and is it really an event or a notification?
Next question.
[Something with on-premises] [something with single entrance] [optionally some load balancing], what services can you use?
- Web Application Firewall
- Next Generation Firewall
- Traffic Manager
- Load Balancer
- Application Gateway
What the heck is even the difference between the first two and the last three?
They load balance, but on a different level and/or using different protocols or some such minor detail.
Better RTFM on those 
Maybe I don't got this after all
At least I now know the difference between the grids and hubs 
I'll know on Friday, going for AZ-300 first.
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Good luck!
They call me different but the truth is they're all the same!
JaxCoder.com
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Thanks! 
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What the heck are the first five grid/hub things? Don't answer that, it's a rhetorical question, and I'm not bother to google it. I'm quite happy in ostrich-mode.
[edit] OK, I googled "event grid": Event Grid connects data sources and event handlers. For example, use Event Grid to instantly trigger a serverless function to run image analysis each time a new photo is added to a blob storage container.
Ah, so a fancy name for what I've been talking about since 2002 and my first ever CP article Organic Programming Environment (OPEN)[^]
To quote myself: the Organic Programming environment uses a data-centric approach. In this paradigm, data initiates processes.
17 years later... 
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Marc Clifton wrote: 17 years later...
But the important paradigm... was told by Dilbert in Aug. 2000[^] that still is 2 years before you   
M.D.V.
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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As I understand it, Event Grid is used to handle Azure events.
These events can be passed on to Functions, Logic Apps, put on a Service Bus queue, or a variety of other handlers.
So why not use a Logic App or Function directly?
I really don't know (well, other than that they can't handle Azure events directly) 
I guess it's another layer of abstraction that's necessary for abstract reasons.
The example you have can be handled directly by an Azure Functions, so I'm not sure why you'd use Event Grid there 
Event Hub is for receiving events from (IoT) devices and is built to handle 100s or 1000s of events per second.
Notification Hub is for sending out notifications to phones and tablets.
Service Bus is a simple queue or topic.
SendGrid is an SMTP client that can handle events (I think).
Now I've gone and answered anyway
I've also figured out the difference between Traffic Manager, Load Balancer and Application Gateway.
A Traffic Manager takes clients to the geographically closest server to reduce latency.
A Load Balancer is just that, a load balancer, which handles traffic on the transport layer (layer 4) of the OSI model, which means it can handle any protocol, and just divides the load between servers in the back-end pool.
The Application Gateway uses the application layer (layer 7), which means it handles only HTTP(S) requests, but it can inspect the URL (for example, send URLs with /image/ to a specific server) and do some other smart things.
The firewalls are still on my todo list.
The Web Application Firewall (WAF) is part of the Application Gateway, but this is a regional firewall.
There's also a global WAF, but this is part of Azure Front Door.
I can't really figure out what a Next Generation Firewall is (you can't create one in Azure), other than the latest version of the Azure Firewall.
Also, SQL Server resources have an integrated firewall, are these WAFs? NGFWs? Local? Global?
It bothers me that all these exams are like 50-75% IaaS, while PaaS is so much more cloudy and easier 
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The headphone connector on my desktop has failed - dismantling the box shows it's a physical problem, probably been clobbered by my knee or chair too many times.
So ... find a replacement pcb mount connector and solder it in. Not a major job.
Except I can't buy just one of the right connector (and there are a load of different types, mine is a low profile r/a PTH 3.5mm green stereo socket with four pins in a line, and one offset). Found it, but I have to buy multiples - and if I want it this side of Christmas I'm not ordering it from China - so ... the smallest multiple I find in the UK is 20 off. Gonna take me decades to use 'em all up!
Still, only £5 including delivery, and they'll be here Monday.
I know why they do it, but it's still a waste of 19 connectors (unless I deliberately muck up the first 19 soldering-in jobs? )
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
AntiTwitter: @DalekDave is now a follower!
modified 17-Nov-19 6:04am.
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don't you have drawers full of useless crap like this, or is it just me?
When I was growin' up, I was the smartest kid I knew. Maybe that was just because I didn't know that many kids. All I know is now I feel the opposite.
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No, all my useless crap is carefully labelled, organised, and put away safely so I can't find it any more!
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
AntiTwitter: @DalekDave is now a follower!
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We have the same storage system the '* me I had one of those!'
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Or even "* me, I thought I had one of those - I've got an extra four, now ..." 
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
AntiTwitter: @DalekDave is now a follower!
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You'd throw them away but 10 years from now when you need one again you'll have to order another 20!
They call me different but the truth is they're all the same!
JaxCoder.com
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Mike Hankey wrote: You'd throw them away but 10 years from now when you need one again you'll have to order another 20!
I'm more:
- after 10 years: 'had these for years and never needed any,' (i.e. spring cleaning): throw them away
- couple of weeks later ...
Message Signature
(Click to edit ->)
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Exactly, the mere act of throwing them away generates need!
They call me different but the truth is they're all the same!
JaxCoder.com
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OriginalGriff wrote: I know why they do it, but it's still a waste of 19 connectors
Because people will still buy them. They should try packages of 25 in the future 
Bastard Programmer from Hell 
If you can't read my code, try converting it here[^]
"If you just follow the bacon Eddy, wherever it leads you, then you won't have to think about politics." -- Some Bell.
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Sell them individually on flea bay for $2 each. Or 2 for $5 ( make sure you state that as a limited time offer)!
I, for one, like Roman Numerals.
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it's almost December:
hang them up, spray paint them gold, buy a [cheap $2 fake gold] necklace / bracelet chain.
... here you go Auntie Dorris, Merry Christmas.
Message Signature
(Click to edit ->)
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M.D.V.
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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OriginalGriff wrote: (
I didn't understand a word of what you just said.
CS1026: ) expected
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It was an invisible close bracket - only those without OCD could see it. I swapped it for a regular one ...
Executive summary "I need a widget to fix my thing, they sell 'em in packs of 20. B*st*rds!"
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
AntiTwitter: @DalekDave is now a follower!
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Look at it this way: A full parts box is your friend when your parents take your computer away. Be sure to always have a CPU and some SRAMs in it, then they will find out that resistance is far from futile.
Speaking of resistance, some 47k resistors as pullups, 0.1µF capacitors, a 7805 voltage regulator (plus two 100µF capacitors), some glue logic and perhaps a crystal or oscillator would also be nice. You know how the stockpile grows when you know which is the hot end of a soldering gun.
I have lived with several Zen masters - all of them were cats.
His last invention was an evil Lasagna. It didn't kill anyone, and it actually tasted pretty good.
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OriginalGriff wrote: you only do once...
At least twice. The first and (hopefully) the last time. Didn't you see that she is wearing the correct safety gear, like those cool glasses? Maybe she should also put on a helmet, but then nothing can possibly go wrong anymore.
I have lived with several Zen masters - all of them were cats.
His last invention was an evil Lasagna. It didn't kill anyone, and it actually tasted pretty good.
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