Alibaba Exam ACA-Operator Topic 5 Question 77 Discussion

Actual exam question for Alibaba's ACA-Operator exam

Question #: 77
Topic #: 5

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 visitor's real IP address. Which of the following statements about obtaining the visitor's real IP address are correct? (Number of correct answers: 2)

A visitor's real IP address can only be obtained by modifying the site or web application.

Bvisitor's real IP address is stored in the 'X-Forwarded-For' HTTP header. It can be directly obtained via Apache or NGINX logs.

CIn Windows, if IIS is used, after installing the 'F5XForwardedFor' extension module, the visitor's real IP address can be seen via IIS logs.

DYou 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.

Show Suggested Answer

Suggested Answer: B, C

by Margurite at Jan 09, 2025, 08:42 AM

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Kami

2 days ago

I think the correct answers are B and D. The 'X-Forwarded-For' header and the 'record visitor's real IP' function in the Alibaba Cloud CDN console both provide access to the visitor's real IP address.

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Galen

8 days ago

I agree with Lisbeth. It's important to know how to obtain the visitor's real IP address for security and analytics purposes.

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Lisbeth

10 days ago

I think B and D are correct. The visitor's real IP address can be obtained from the 'X-Forwarded-For' header and Alibaba Cloud CDN access logs.

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