Deal of The Day! Hurry Up, Grab the Special Discount - Save 25% - Ends In 00:00:00 Coupon code: SAVE25
Welcome to Pass4Success

- Free Preparation Discussions

Alibaba ACP-Cloud1 Exam - Topic 5 Question 76 Discussion

When distributing loads to multiple ECS instances with an Alibaba Cloud Server Load Balancer (SLB), you can obtain the real IP addresses of users who initiate the requests through _____________. (Choose two.)
A) For Layer-7 services, SLB obtains the real IP addresses of the visitors by means of HTTP Header: X-Forwarded-For, but the ''Obtain the Visitors Real IP Address'' function must be enabled first. and B) For Layer-4 services, you can obtain the visitors' real IP addresses directly, without any additional settings.
C) For Layer-4 services, SLB obtains the real IP addresses of the visitors by means of the HTTP Header: X-Forwarded-For, but the ''Obtain the Visitors Real IP Address'' function must be enabled first.
D) For Layer-7 services, you can obtain the visitors' real IP addresses directly, without any additional settings.

Alibaba ACP-Cloud1 Exam - Topic 5 Question 76 Discussion

Actual exam question for Alibaba's ACP-Cloud1 exam
Question #: 76
Topic #: 5
[All ACP-Cloud1 Questions]

When distributing loads to multiple ECS instances with an Alibaba Cloud Server Load Balancer (SLB), you can obtain the real IP addresses of users who initiate the requests through _____________. (Choose two.)

Show Suggested Answer Hide Answer
Suggested Answer: A, B

In Alibaba Cloud SLB, Layer-7 (HTTP/HTTPS) services require enabling the 'X-Forwarded-For' header to retrieve the real IP address of clients, while Layer-4 (TCP/UDP) services can obtain the real IP address directly without additional settings.


Contribute your Thoughts:

0/2000 characters
Kenny
6 months ago
C is definitely wrong, Layer-4 doesn't use that header.
upvoted 0 times
...
Lettie
6 months ago
D sounds too easy, are you sure about that?
upvoted 0 times
...
Alease
7 months ago
I thought Layer-4 needed X-Forwarded-For too?
upvoted 0 times
...
Chuck
7 months ago
B is spot on, no extra settings needed for Layer-4.
upvoted 0 times
...
Mollie
7 months ago
A is correct, but you need to enable that function first!
upvoted 0 times
...
Gladys
7 months ago
I recall that Layer-7 services have some extra steps, but I can't remember if Layer-4 needs anything special.
upvoted 0 times
...
Velda
7 months ago
I practiced a similar question, and I feel like X-Forwarded-For is only for Layer-7, but I could be mixing it up with Layer-4.
upvoted 0 times
...
Kenia
8 months ago
I think for Layer-4, we can just get the real IPs directly, but I'm not entirely sure if there's anything else we need to do.
upvoted 0 times
...
Laura
8 months ago
I remember that for Layer-7, we definitely need to enable the "Obtain the Visitors Real IP Address" function to get the real IPs.
upvoted 0 times
...
Valentin
8 months ago
I'm pretty sure the answer is A and B. The key is understanding the difference between Layer-4 and Layer-7 services, and how SLB handles real IP addresses in each case. I feel confident I've got this one figured out.
upvoted 0 times
...
Laura
8 months ago
Okay, let me think this through step-by-step. For Layer-7 services, the question says you can get the real IP addresses through the X-Forwarded-For header, but you need to enable a specific function first. And for Layer-4, it seems you can get the real IP addresses directly. So I'll go with A and B as the answer.
upvoted 0 times
...
Meghann
8 months ago
Hmm, I'm a bit confused about the difference between Layer-4 and Layer-7 services here. I'll need to review the material on SLB and how it handles real IP addresses in more detail before I can be sure of the answer.
upvoted 0 times
...
Edgar
8 months ago
I'm pretty confident about this one. I think the answer is A and B - for Layer-7 services, you need to enable the "Obtain the Visitors Real IP Address" function to get the real IP addresses through the X-Forwarded-For header, and for Layer-4 services, you can get the real IP addresses directly without any additional settings.
upvoted 0 times
...
Noel
1 year ago
I'm not sure about option B. I think for Layer-4 services, we still need to enable the function to get the real IP addresses.
upvoted 0 times
...
Merissa
1 year ago
I agree with Sheron. Option A makes sense because for Layer-7 services, we need to enable the function to obtain real IP addresses.
upvoted 0 times
...
Alexis
1 year ago
Ha! 'Obtain the Visitors Real IP Address' function, what a mouthful. Bet that one trips up a few people.
upvoted 0 times
Carmen
1 year ago
User 2
upvoted 0 times
...
Latrice
1 year ago
User 1
upvoted 0 times
...
...
Sheron
1 year ago
I think the correct options are A and B.
upvoted 0 times
...
Alyce
1 year ago
B and D, nice and simple. I'm gonna go with those - no need to complicate things.
upvoted 0 times
Nikita
1 year ago
B and D, nice and simple. I'm gonna go with those - no need to complicate things.
upvoted 0 times
...
Nida
1 year ago
B) For Layer-4 services, you can obtain the visitors' real IP addresses directly, without any additional settings.
upvoted 0 times
...
Aja
1 year ago
A) For Layer-7 services, SLB obtains the real IP addresses of the visitors by means of HTTP Header: X-Forwarded-For, but the ''Obtain the Visitors Real IP Address'' function must be enabled first.
upvoted 0 times
...
...
Blair
1 year ago
Hmm, Layer-7 services with X-Forwarded-For, that's pretty straightforward. Gotta love those clear-cut options!
upvoted 0 times
Ludivina
1 year ago
C) For Layer-4 services, SLB obtains the real IP addresses of the visitors by means of the HTTP Header: X-Forwarded-For, but the ''Obtain the Visitors Real IP Address'' function must be enabled first.
upvoted 0 times
...
Tran
1 year ago
B) For Layer-4 services, you can obtain the visitors' real IP addresses directly, without any additional settings.
upvoted 0 times
...
Matt
1 year ago
A) For Layer-7 services, SLB obtains the real IP addresses of the visitors by means of HTTP Header: X-Forwarded-For, but the ''Obtain the Visitors Real IP Address'' function must be enabled first.
upvoted 0 times
...
...

Save Cancel