Are Reserved Instances available for Multi-AZ Deployments?
A.
Only for Cluster Compute instances
B.
Yes for all instance types
C.
Only for M3 instance types
D.
No
Explanation:
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B.
Yes for all instance types
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D.
No
A reserved instance will apply to one instance matching its parameters at any time – it is tied to a particular instance type and size, operating system and availability zone (AZ). We do not offer multi-AZ Reserved Instances.
source: https://forums.aws.amazon.com/thread.jspa?messageID=569105
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The answer is D.
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Q: Are Reserved Instances available for Multi-AZ Deployments?
Yes. When you call the DescribeReservedDBInstancesOfferings API, simply look for the Multi-AZ options listed among the DB Instance configurations available for purchase. If you want to purchase a reservation for a DB Instance with synchronous replication across multiple Availability Zones, specify one of these offerings in your PurchaseReservedDBInstancesOffering call.
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From: https://aws.amazon.com/rds/reserved-instances/
Reserved Instances could also provide significant cost savings for mission critical applications that run on Multi-AZ database deployments for higher availability and data durability.
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B.
https://aws.amazon.com/rds/faqs/
Q: Are Reserved Instances available for Multi-AZ Deployments?
Yes. When you call the DescribeReservedDBInstancesOfferings API, simply look for the Multi-AZ options listed among the DB Instance configurations available for purchase. If you want to purchase a reservation for a DB Instance with synchronous replication across multiple Availability Zones, specify one of these offerings in your PurchaseReservedDBInstancesOffering cal
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Yes.
https://aws.amazon.com/rds/faqs/
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B
https://aws.amazon.com/rds/faqs/?nc1=h_ls#reserved-instances
Q: Are Reserved Instances available for Multi-AZ Deployments?
Yes. When you call the DescribeReservedDBInstancesOfferings API or describe-reserved-db-instances-offerings command, simply look for the Multi-AZ options listed among the DB Instance configurations available for purchase. If you want to purchase a reservation for a DB Instance with synchronous replication across multiple Availability Zones, specify one of these offerings in your PurchaseReservedDBInstancesOffering call.
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B
Can apply to usage across all Availability Zones in an AWS region, or can provide a capacity reservation when assigned to a specific Availability Zone.
Source: https://aws.amazon.com/ec2/pricing/reserved-instances/
Availability Zone, scope, and network platform modifications are supported for all product platform types (Linux and Windows).
Source: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ri-modifying.html
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Agreed with Dong Liang
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B.
Yes for all instance types
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B
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Thanks all of you for the question! I have just passed the SAA test with score 89%. These questions are really helpful in my case.
For this question, my answer is B
“When you call the DescribeReservedDBInstancesOfferings API or describe-reserved-db-instances-offerings command, simply look for the Multi-AZ options listed among the DB Instance configurations available for purchase. If you want to purchase a reservation for a DB Instance with synchronous replication across multiple Availability Zones, specify one of these offerings in your PurchaseReservedDBInstancesOffering call.”
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