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Question 43 - SAP-C01 discussion

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An organization is planning to host an application on the AWS VPC. The organization wants dedicated instances. However, an AWS consultant advised the organization not to use dedicated instances with VPC as the design has a few limitations.

Which of the below mentioned statements is not a limitation of dedicated instances with VPC?

A.
All instances launched with this VPC will always be dedicated instances and the user cannot use a default tenancy model for them.
Answers
A.
All instances launched with this VPC will always be dedicated instances and the user cannot use a default tenancy model for them.
B.
It does not support the AWS RDS with a dedicated tenancy VPC.
Answers
B.
It does not support the AWS RDS with a dedicated tenancy VPC.
C.
The user cannot use Reserved Instances with a dedicated tenancy model.
Answers
C.
The user cannot use Reserved Instances with a dedicated tenancy model.
D.
The EBS volume will not be on the same tenant hardware as the EC2 instance though the user has configured dedicated tenancy.
Answers
D.
The EBS volume will not be on the same tenant hardware as the EC2 instance though the user has configured dedicated tenancy.
Suggested answer: C

Explanation:

The Amazon Virtual Private Cloud (Amazon VPC) allows the user to define a virtual networking environment in a private, isolated section of the Amazon Web Services (AWS) cloud. The user has complete control over the virtual networking environment. Dedicated instances are Amazon EC2 instances that run in a Virtual Private Cloud (VPC) on hardware that is dedicated to a single customer. The client's dedicated instances are physically isolated at the host hardware level from instances that are not dedicated instances as well as from instances that belong to other AWS accounts. All instances launched with the dedicated tenancy model of VPC will always be dedicated instances. Dedicated tenancy has a limitation that it may not support a few services, such as RDS. Even the EBS will not be on dedicated hardware. However, the user can save some cost as well as reserve some capacity by using a Reserved Instance model with dedicated tenancy.

Reference: http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/dedicated-instance.html

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asked 16/09/2024
Sasha Grib
44 questions
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