A sys admin is trying to understand the sticky session algorithm. Please select the correct sequence of steps, both when the cookie is present and when it is not, to help the admin understand the implementation of the sticky session:
ELB inserts the cookie in the response ELB chooses the instance based on the load balancing algorithm Check the cookie in the service request The cookie is found in the request The cookie is not found in the request

• A.3,1,4,2 [Cookie is not Present] & 3,1,5,2 [Cookie is Present]
• B.3,4,1,2 [Cookie is not Present] & 3,5,1,2 [Cookie is Present]
• C.3,5,2,1 [Cookie is not Present] & 3,4,2,1 [Cookie is Present]
• D.3,2,5,4 [Cookie is not Present] & 3,2,4,5 [Cookie is Present]

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A user is trying to aggregate all the CloudWatch metric data of the last 1 week. Which of the below mentioned statistics is not available for the user as a part of data aggregation?

• A.Aggregate
• B.Sum
• C.Sample data
• D.Average

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You are tasked with setting up a cluster of EC2 Instances for a NoSQL database. The database requires random read I/O disk performance up to a 100,000 IOPS at 4KB block side per node.
Which of the following EC2 instances will perform the best for this workload?

• A.A High-Memory Quadruple Extra Large (m2.4xlarge) with EBS-Optimized set to true and a PIOPs EBS volume
• B.A Cluster Compute Eight Extra Large (cc2.8xlarge) using instance storage
• C.High I/O Quadruple Extra Large (hi1.4xlarge) using instance storage
• D.A Cluster GPU Quadruple Extra Large (cg1.4xlarge) using four separate 4000 PIOPS EBS volumes in a RAID 0 configuration

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A user is using the AWS EC2. The user wants to make so that when there is an issue in the EC2 server, such as instance status failed, it should start a new instance in the user's private cloud. Which AWS service helps to achieve this automation?

• A.AWS CloudWatch + Cloudformation
• B.AWS CloudWatch + AWS AutoScaling + AWS ELB
• C.AWS CloudWatch + AWS VPC
• D.AWS CloudWatch + AWS SNS

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A user has setup a VPC with CIDR 20.0.0.0/16. The VPC has a private subnet (20.0.1.0/24. and a public subnet (20.0.0.0/24.. The user's data centre has CIDR of 20.0.54.0/24 and 20.1.0.0/24. If the private subnet wants to communicate with the data centre, what will happen?

• A.It will allow traffic communication on both the CIDRs of the data centre
• B.It will not allow traffic with data centre on CIDR 20.1.0.0/24 but allows traffic communication on
  20.0.54.0/24
• C.It will not allow traffic communication on any of the data centre CIDRs
• D.It will allow traffic with data centre on CIDR 20.1.0.0/24 but does not allow on 20.0.54.0/24

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