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Exam AWS Certified Solutions Architect - Professional topic 1 question 381 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional
Question #: 381
Topic #: 1
[All AWS Certified Solutions Architect - Professional Questions]

Which of the following rules must be added to a mount target security group to access Amazon Elastic File System (EFS) from an on-premises server?

  • A. Configure an NFS proxy between Amazon EFS and the on-premises server to route traffic.
  • B. Set up a Point-To-Point Tunneling Protocol Server (PPTP) to allow secure connection.
  • C. Permit secure traffic to the Kerberos port 88 from the on-premises server.
  • D. Allow inbound traffic to the Network File System (NFS) port (2049) from the on-premises server.
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Suggested Answer: D 🗳️
By mounting an Amazon EFS file system on an on-premises server, on-premises data can be migrated into the AWS Cloud. Any one of the mount targets in your
VPC can be used as long as the subnet of the mount target is reachable by using the AWS Direct Connect connection. To access Amazon EFS from an on- premises server, a rule must be added to the mount target security group to allow inbound traffic to the NFS port (2049) from the on-premises server.
Reference:
http://docs.aws.amazon.com/efs/latest/ug/how-it-works.html
by 2g at Nov. 24, 2019, 9:31 p.m.
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SkyZeroZx
1 year, 10 months ago
Selected Answer: D
D is correct
upvoted 1 times
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challenger1
3 years, 4 months ago
My Answer: D
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ryu10_09
3 years, 5 months ago
D is your choice
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Kelvin
3 years, 6 months ago
D is correct
upvoted 1 times
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2g
3 years, 6 months ago
answer: D
upvoted 1 times
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