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Alibaba ACA-Developer Exam - Topic 1 Question 64 Discussion

When using Alibaba Cloud CDN, a visitor's request will first be routed to a CDN edge node, and in the event of a cache miss at this edge node, the node will fetch data from the origin site (back-to-source request). Even with this redirection, it is possible for the origin site to see the visitors real IP address. Which of the following statements about obtaining the visitor's real IP address are correct? (Number of correct answers: 2)
A) A visitor's real IP address can only be obtained by modifying the site or web application. and B) A visitor's real IP address is stored in the 'X-Forwarded-For' HTTP header It can be directly obtained via Apache or NGINX logs. and C) In Windows, if IIS is used, after installing the 'F5XForwardedFor' extension module, the visitor's real IP address can be seen via IIS logs.
D) You can activate the 'record visitor's real IP' function in the Alibaba Cloud CDN console, then you can directly view visitor's IP addresses from the Alibaba Cloud CDN access logs.

Alibaba ACA-Developer Exam - Topic 1 Question 64 Discussion

Actual exam question for Alibaba's ACA-Developer exam
Question #: 64
Topic #: 1
[All ACA-Developer Questions]

When using Alibaba Cloud CDN, a visitor's request will first be routed to a CDN edge node, and in the event of a cache miss at this edge node, the node will fetch data from the origin site (back-to-source request). Even with this redirection, it is possible for the origin site to see the visitors real IP address. Which of the following statements about obtaining the visitor's real IP address are correct? (Number of correct answers: 2)

Show Suggested Answer Hide Answer
Suggested Answer: A, B, C

by Xenia at Jul 11, 2024, 01:56 PM

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Celia
6 months ago
C sounds right too, but I’m not sure about that extension.
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Mendy
7 months ago
Wait, can you really see the real IP without any changes?
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Samuel
7 months ago
D is definitely true, I've used it before.
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Domingo
7 months ago
I thought you needed to modify the site for the real IP?
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Ashleigh
7 months ago
B and D are correct!
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Lonny
8 months ago
I vaguely recall something about IIS and extensions, so option C might be correct, but I’m not 100% confident about the 'F5XForwardedFor' module.
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Art
8 months ago
I practiced a similar question about logging visitor IPs, and I feel like option D could be right since it mentions a specific feature in the Alibaba Cloud CDN console.
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Norah
8 months ago
I'm not entirely sure, but I think modifying the site is necessary to see the real IP, which makes option A seem plausible.
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Alita
8 months ago
I remember something about the 'X-Forwarded-For' header being important for getting the real IP, so I think option B might be correct.
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Martha
8 months ago
Alright, I've got a strategy here. I'll focus on understanding how the CDN works and where the visitor's IP might be exposed, even with the redirection. Options B and D sound promising, so I'll start there.
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Loreta
8 months ago
I'm a bit confused about this one. I know CDN can sometimes obscure the real IP, but I'm not sure if that applies in this case. I'll need to review the material on Alibaba Cloud CDN more carefully.
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Mary
8 months ago
Okay, let's see. I think options B and D are the correct answers here. The X-Forwarded-For header and the CDN console's real IP recording feature should give me the visitor's IP.
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Avery
8 months ago
Hmm, this seems like a tricky one. I'll need to carefully read through the options and think about how Alibaba Cloud CDN handles IP addresses.
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Jaleesa
8 months ago
I'm leaning towards option C with the Campaigns. That gives me the flexibility to track both high school and college, and I can easily update the status as students progress. Seems like a good balance of functionality and simplicity.
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Casandra
1 year ago
I wonder if the 'record visitor's real IP' function in Alibaba Cloud CDN also comes with a 'teleport to visitor's location' feature. Now that would be a real game-changer!
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Herschel
1 year ago
Option D sounds like a job for the Alibaba Cloud CDN Superhero Squad. 'To the Alibaba Cloud CDN console, away!'
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Isabella
1 year ago
D) You can activate the 'record visitor's real IP' function in the Alibaba Cloud CDN console, then you can directly view visitor's IP addresses from the Alibaba Cloud CDN access logs.
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Stanton
1 year ago
B) A visitor's real IP address is stored in the 'X-Forwarded-For' HTTP header. It can be directly obtained via Apache or NGINX logs.
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Denae
1 year ago
Haha, Option A is a classic. As if modifying the entire site or web application is the only way to get the visitor's IP. I bet the person who wrote that option was trying to trick us.
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Julio
1 year ago
I'm surprised Option C even made it as a choice. Installing a random 'F5XForwardedFor' extension module in IIS just to get the IP address? That's a bit overkill, don't you think?
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Geraldine
1 year ago
I agree with Lorrie. Option B is the straightforward solution. Although the 'record visitor's real IP' function in Alibaba Cloud CDN sounds promising, I'd rather stick to the tried and true X-Forwarded-For method.
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Isadora
11 months ago
It might be easier, but sometimes sticking to the traditional methods is safer.
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Florencia
11 months ago
But what about the 'record visitor's real IP' function in Alibaba Cloud CDN? Isn't that easier?
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Merissa
11 months ago
I think so too. It's a common practice to use that header for getting the real IP address.
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Rueben
11 months ago
Option B is definitely the way to go. X-Forwarded-For header is reliable.
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Lorrie
1 year ago
Option B is definitely correct. The X-Forwarded-For header is the way to go for obtaining the visitor's real IP address. The other options seem a bit too complicated.
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Elenor
12 months ago
Option B is definitely correct. The X-Forwarded-For header is the way to go for obtaining the visitor's real IP address. The other options seem a bit too complicated.
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Kiley
1 year ago
D) You can activate the \'record visitor's real IP\' function in the Alibaba Cloud CDN console, then you can directly view visitor's IP addresses from the Alibaba Cloud CDN access logs.
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Armanda
1 year ago
B) A visitor's real IP address is stored in the \'X-Forwarded-For\' HTTP header It can be directly obtained via Apache or NGINX logs.
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Fernanda
1 year ago
I'm not sure about option C. I think it's only possible to see the real IP address through the 'X-Forwarded-For' header and CDN access logs.
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Davida
1 year ago
I agree with Kati. The real IP address can be obtained from the 'X-Forwarded-For' header and Alibaba Cloud CDN access logs.
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Kati
1 year ago
I think the correct statements are B and D.
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Jody
1 year ago
I'm not sure about A and C, but I think B and D make sense. It's good to have multiple ways to access the visitor's real IP address.
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Titus
1 year ago
I agree with Cortney. It's important to be able to obtain the visitor's real IP address for security and analytics purposes.
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Cortney
1 year ago
I think B and D are correct. The visitor's real IP address is stored in the 'X-Forwarded-For' header and can be obtained from Alibaba Cloud CDN access logs.
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