12378777
Descripción
Test por Tim Urista, actualizado hace más de 1 año
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Creado por Tim Urista
hace casi 7 años
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Pregunta 1
Pregunta
Your web application needs four instances to support steady traffic nearly all of the time. On the last day of each month, the traffic triples. What is a cost-effective way to handle this traffic pattern?
Respuesta
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Run 12 Reserved Instances all of the time.
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Run four On-Demand Instances constantly, then add eight more On-Demand Instances on the last day of each month.
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Run four Reserved Instances constantly, then add eight On-Demand Instances on the last day of each month.
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Run four On-Demand Instances constantly, then add eight Reserved Instances on the last day of each month.
Pregunta 2
Pregunta
Which of the following can be used to address an Amazon Elastic Compute Cloud (Amazon EC2) instance over the web? (Choose 2 answers)
Respuesta
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Windows machine name
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Public DNS name
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Amazon EC2 instance ID
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Elastic IP address
Pregunta 3
Pregunta
Which of the following are features of enhanced networking? (Choose 3 answers)
Respuesta
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More Packets Per Second (PPS)
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Lower latency
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Multiple network interfaces
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Border Gateway Protocol (BGP) routing
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Less jitter
Pregunta 4
Pregunta
You have purchased an m3.xlarge Linux Reserved instance in us-east-1a. In which ways can you modify this reservation? (Choose 2 answers)
Respuesta
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Change it into two m3.large instances.
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Change it to a Windows instance.
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Move it to us-east-1b.
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Change it to an m4.xlarge.
Pregunta 5
Pregunta
You are creating a High-Performance Computing (HPC) cluster and need very low latency and high bandwidth between instances. What combination of the following will allow this? (Choose 3 answers)
Respuesta
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Use an instance type with 10 Gbps network performance.
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Put the instances in a placement group.
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Use Dedicated Instances.
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Enable enhanced networking on the instances.
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Use Reserved Instances.
Pregunta 6
Pregunta
Using the correctly decrypted Administrator password and RDP, you cannot log in to a Windows instance you just launched. Which of the following is a possible reason?
Respuesta
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There is no security group rule that allows RDP access over port 3389 from your IP address.
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The instance is a Reserved Instance.
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The instance is not using enhanced networking.
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The instance is not an Amazon EBS-optimized instance.
Pregunta 7
Pregunta
Your instance is associated with two security groups. The first allows Remote Desktop Protocol (RDP) access over port 3389 from Classless Inter-Domain Routing (CIDR) block 72.14.0.0/16. The second allows HTTP access over port 80 from CIDR block 0.0.0.0/0. What traffic can reach your instance?
Respuesta
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RDP and HTTP access from CIDR block 0.0.0.0/0
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No traffic is allowed.
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RDP and HTTP traffic from 72.14.0.0/16
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RDP traffic over port 3389 from 72.14.0.0/16 and HTTP traffic over port 80 from 0.0.00/0
Pregunta 8
Pregunta
VM Import/Export can import existing virtual machines as: (Choose 2 answers)
Respuesta
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Amazon Elastic Block Store (Amazon EBS) volumes
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Amazon Elastic Compute Cloud (Amazon EC2) instances
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Amazon Machine Images (AMIs)
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Security groups
Pregunta 9
Pregunta
Which Amazon Elastic Compute Cloud (Amazon EC2) feature ensures that your instances will not share a physical host with instances from any other AWS customer?
Respuesta
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Amazon Virtual Private Cloud (VPC)
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Placement groups
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Dedicated Instances
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Reserved Instances
Pregunta 10
Pregunta
You have a workload that requires 1 TB of durable block storage at 1,500 IOPS during normal use. Every night there is an Extract, Transform, Load (ETL) task that requires 3,000 IOPS for 15 minutes. What is the most appropriate volume type for this workload?
Respuesta
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Use a Provisioned IOPS SSD volume at 3,000 IOPS.
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Use an instance store.
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Use a general-purpose SSD volume.
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Use a magnetic volume.
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