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Exam AWS Certified Advanced Networking - Specialty ANS-C01 topic 1 question 27 discussion

Exam question from Amazon's AWS Certified Advanced Networking - Specialty ANS-C01
Question #: 27
Topic #: 1
[All AWS Certified Advanced Networking - Specialty ANS-C01 Questions]

A company wants to improve visibility into its AWS environment. The AWS environment consists of multiple VPCs that are connected to a transit gateway. The transit gateway connects to an on-premises data center through an AWS Direct Connect gateway and a pair of redundant Direct Connect connections that use transit VIFs. The company must receive notification each time a new route is advertised to AWS from on premises over Direct Connect.
What should a network engineer do to meet these requirements?

  • A. Enable Amazon CloudWatch metrics on Direct Connect to track the received routes. Configure a CloudWatch alarm to send notifications when routes change.
  • B. Onboard Transit Gateway Network Manager to Amazon CloudWatch Logs Insights. Use Amazon EventBridge (Amazon CloudWatch Events) to send notifications when routes change.
  • C. Configure an AWS Lambda function to periodically check the routes on the Direct Connect gateway and to send notifications when routes change.
  • D. Enable Amazon CloudWatch Logs on the transit VIFs to track the received routes. Create a metric filter Set an alarm on the filter to send notifications when routes change.
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Suggested Answer: B 🗳️
by zaazanuna at March 18, 2023, 10:09 p.m.
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zaazanuna
Highly Voted 1 year, 5 months ago
B - correct Transit Gateway Network Manager provides a centralized view of global networks built on AWS Transit Gateway. It also provides the capability to monitor the routing tables associated with the transit gateway, and then forward routing information to CloudWatch Logs Insights. Once in CloudWatch Logs Insights, you can use EventBridge rules to trigger notifications based on routing changes. This will allow the company to receive notifications each time a new route is advertised to AWS from on-premises over Direct Connect, which meets the requirements. The other options either do not provide the necessary functionality or would not be the most efficient solution for this scenario.
upvoted 13 times
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slackbot
Highly Voted 1 year, 4 months ago
Selected Answer: B
it is B - tested and confirmed. the problem is - if a static route exists and the same prefix gets advertised - it will not be flagged and no Event will trigger.
upvoted 7 times
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cerifyme85
Most Recent 4 months ago
Selected Answer: B
https://docs.aws.amazon.com/vpc/latest/tgw/transit-gateway-monitoring.html#:~:text=CloudWatch%20Events%20using%20Network%20Manager
upvoted 1 times
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Marfee400704
6 months, 1 week ago
I think that it's correct answer is B according to SPOTO products.
upvoted 1 times
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marfee
6 months, 2 weeks ago
I think that it's correcty answer is B.
upvoted 1 times
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Untamables
1 year, 4 months ago
Selected Answer: B
B https://docs.aws.amazon.com/network-manager/latest/cloudwan/cloudwan-visualize-tgw.html https://docs.aws.amazon.com/network-manager/latest/cloudwan/cloudwan-cloudwatch-events.html
upvoted 3 times
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helloworldabc
1 year, 5 months ago
BBBBBBBBBB
upvoted 2 times
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study_aws1
1 year, 5 months ago
Should be B) Please refer below link - https://docs.aws.amazon.com/network-manager/latest/cloudwan/cloudwan-cloudwatch-events.html
upvoted 3 times
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flowers00
1 year, 5 months ago
B - correct.
upvoted 2 times
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