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Exam AWS Certified Solutions Architect - Professional topic 1 question 449 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional
Question #: 449
Topic #: 1
[All AWS Certified Solutions Architect - Professional Questions]

A company is migrating to the cloud. It wants to evaluate the configurations of virtual machines in its existing data center environment to ensure that it can size new Amazon EC2 instances accurately. The company wants to collect metrics, such as CPU, memory, and disk utilization, and it needs an inventory of what processes are running on each instance. The company would also like to monitor network connections to map communications between servers.
Which would enable the collection of this data MOST cost effectively?

  • A. Use AWS Application Discovery Service and deploy the data collection agent to each virtual machine in the data center.
  • B. Configure the Amazon CloudWatch agent on all servers within the local environment and publish metrics to Amazon CloudWatch Logs.
  • C. Use AWS Application Discovery Service and enable agentless discovery in the existing virtualization environment.
  • D. Enable AWS Application Discovery Service in the AWS Management Console and configure the corporate firewall to allow scans over a VPN.
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by awsec2 at Sept. 12, 2019, 2:56 p.m.
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donathon
Highly Voted 3 years, 7 months ago
A A: Agent is needed because network dependencies are needed. B: CloudWatch is not suitable. C\D: Agentless is only for VMWare environment where network dependencies are not needed. AWS Application Discovery Service collects and presents data to enable enterprise customers to understand the configuration, usage, and behavior of servers in their IT environments. Server data is retained in the Application Discovery Service where it can be tagged and grouped into applications to help organize AWS migration planning. Collected data can be exported for analysis in Excel or other cloud migration analysis tools. AWS Application Discovery Service supports agent-based and agentless modes of operation. With the agentless discovery, VMware customers collect VM configuration and performance profiles without deploying the AWS Application Discovery Agent on each host, which accelerates data collection. Customers in a non-VMware environment or that need additional information, like network dependencies and information about running processes, may install the Application Discovery Agent on servers and virtual machines (VMs) to collect data.
upvoted 78 times
TechGuru
3 years, 7 months ago
Awesome explanation donathon!!
upvoted 1 times
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awsec2
Highly Voted 3 years, 7 months ago
A is right one
upvoted 8 times
dpvnme
3 years, 7 months ago
The question doesn't mention the VMs are VMware so we need agent here. A
upvoted 2 times
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SkyZeroZx
Most Recent 1 year, 11 months ago
Selected Answer: A
A: Agent is needed because network dependencies are needed.
upvoted 1 times
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DarthYoda
2 years, 6 months ago
Selected Answer: A
Most definitely A
upvoted 1 times
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DarthYoda
2 years, 6 months ago
Selected Answer: A
Most definitely A
upvoted 1 times
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superuser784
2 years, 6 months ago
Selected Answer: A
I did not know about AWS Application Discovery Service and my answer was B, because CloudWatch Agent can do this too, but after reviewing the AWS Application Discovery Service Documentation, this service does exactly what is requested. Final Answer A.
upvoted 1 times
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dmscountera
2 years, 7 months ago
Selected Answer: A
Based on all comments
upvoted 1 times
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user0001
2 years, 12 months ago
A ,this is because you need info about each process running on the VMs https://docs.aws.amazon.com/application-discovery/latest/userguide/what-is-appdiscovery.html
upvoted 1 times
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cldy
3 years, 5 months ago
A. Use AWS Application Discovery Service and deploy the data collection agent to each virtual machine in the data center.
upvoted 1 times
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andylogan
3 years, 6 months ago
It's A - Agentless for VMware
upvoted 1 times
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WhyIronMan
3 years, 6 months ago
I'll go with A
upvoted 1 times
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Waiweng
3 years, 6 months ago
A is correct
upvoted 1 times
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ExtHo
3 years, 6 months ago
Application Discovery Service offers two ways of performing discovery and collecting data about your on-premises servers: - Agentless discovery can be performed by deploying the AWS Agentless Discovery Connector (OVA file) through your VMware Center. - Agent-based discovery can be performed by deploying the AWS Application Discovery Agent on each of your VMs and physical servers. So A is correct
upvoted 1 times
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Kian1
3 years, 6 months ago
going with A
upvoted 2 times
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Ebi
3 years, 6 months ago
A is answer
upvoted 4 times
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sanjaym
3 years, 6 months ago
A for sure
upvoted 2 times
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T14102020
3 years, 6 months ago
A is correct answer. Application Discovery Service agent is key
upvoted 1 times
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