Amazon Exam SAA-C03 Topic 6 Question 30 Discussion

Actual exam question for Amazon's SAA-C03 exam

Question #: 30
Topic #: 6

A company has a three-tier environment on AWS that ingests sensor data from its users' devices The traffic flows through a Network Load Balancer (NIB) then to Amazon EC2 instances for the web tier and finally to EC2 instances for the application tier that makes database calls

What should a solutions architect do to improve the security of data in transit to the web tier?

AConfigure a TLS listener and add the server certificate on the NLB

BConfigure AWS Shield Advanced and enable AWS WAF on the NLB

CChange the load balancer to an Application Load Balancer and attach AWS WAF to it

DEncrypt the Amazon Elastic Block Store (Amazon EBS) volume on the EC2 instances using AWS Key Management Service (AWS KMS)

Show Suggested Answer

Suggested Answer: A

A: How do you protect your data in transit?

Best Practices:

Implement secure key and certificate management: Store encryption keys and certificates securely and rotate them at appropriate time intervals while applying strict access control; for example, by using a certificate management service, such as AWS Certificate Manager (ACM).

Enforce encryption in transit: Enforce your defined encryption requirements based on appropriate standards and recommendations to help you meet your organizational, legal, and compliance requirements.

Automate detection of unintended data access: Use tools such as GuardDuty to automatically detect attempts to move data outside of defined boundaries based on data classification level, for example, to detect a trojan that is copying data to an unknown or untrusted network using the DNS protocol.

Authenticate network communications: Verify the identity of communications by using protocols that support authentication, such as Transport Layer Security (TLS) or IPsec.

https://wa.aws.amazon.com/wat.question.SEC_9.en.html

by Cecil at Mar 10, 2024, 03:54 AM

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Janna

8 months ago

I think Option C) Change the load balancer to an Application Load Balancer and attach AWS WAF to it could also enhance security by adding a web application firewall.

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Stephane

9 months ago

Option A) Configure a TLS listener and add the server certificate on the NLB seems like a good choice. It encrypts the data in transit.

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Junita

9 months ago

I agree. What are our options?

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Hubert

9 months ago

I think we should focus on improving the security of data in transit to the web tier.

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Destiny

9 months ago

I'm not sure about these options, but I think we definitely need to do something to improve security. It's crucial to protect the data in transit.

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Jarod

9 months ago

I see both points, but I think option B could also be a good choice. Enabling AWS Shield Advanced and AWS WAF would add another layer of protection.

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Marjory

10 months ago

I disagree, I believe option C is better. Using an Application Load Balancer with AWS WAF provides additional security features.

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Mila

10 months ago

I think we should go with option A, configuring a TLS listener on the NLB would encrypt the data in transit.

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Mila

11 months ago

Haha, yeah, that's a good point. Option D is definitely a distraction. I'm leaning towards option A myself, as it seems the most direct solution to the problem. And hey, who doesn't love a good old-fashioned TLS encryption? *winks* It's the security equivalent of a warm hug for your data.

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Natalie

11 months ago

I agree, options A and C both seem like viable choices. Although, I'm not sure if Option D, encrypting the EBS volumes, is really relevant here. That would protect the data at rest, but not the data in transit, which is the focus of this question. *chuckles* Maybe the exam writers are just trying to throw in a red herring to confuse us.

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Bernardine

11 months ago

Option A does sound like the most straightforward way to secure the data in transit, but I'm also curious about Option C. Changing the load balancer to an Application Load Balancer and attaching AWS WAF could provide an extra layer of protection against web-based attacks. What do you guys think?

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Corrie

10 months ago

I say let's go with Option C for that added layer of protection

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Rosalind

10 months ago

Option C does seem like a good way to enhance security for the web tier

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Shannan

10 months ago

D) Encrypt the Amazon Elastic Block Store (Amazon EBS) volume on the EC2 instances using AWS Key Management Service (AWS KMS)

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Stephane

10 months ago

I also think Option C could be a good choice for an extra layer of protection

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Gail

10 months ago

C) Change the load balancer to an Application Load Balancer and attach AWS WAF to it

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Gilma

10 months ago

B) Configure AWS Shield Advanced and enable AWS WAF on the NLB

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Octavio

10 months ago

A) Configure a TLS listener and add the server certificate on the NLB

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Norah

11 months ago

Hmm, this is an interesting question. I think the key here is to focus on securing the data in transit to the web tier, which is the weakest link in the architecture. I'm leaning towards option A - configuring a TLS listener and adding the server certificate on the NLB. That should help encrypt the traffic and prevent any eavesdropping or man-in-the-middle attacks.

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